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Toyota News

Toyota Prius c Completes the Prius Family of Vehicles

DETROIT , Michigan, Jan.10, 2012 - Following the U.S. debut of the all-new 2012 Prius c at the 2012 North American International Auto Show here, Toyota Motor Sales (TMS), U.S.A., Inc., plans to bring this dynamically styled, five-door hatchback to market in March of 2012, and introduce Toyota's Hybrid Synergy Drive to the subcompact segment.
The letter "c" represents "city" in the Prius c name. Designed to function as an urban-friendly vehicle with an engaging driving experience, hatchback utility, and a city fuel economy rating of 53 mpg, Prius c offers the highest city mpg rating of any vehicle without a plug. The all-new Prius c joins the Prius Family, which includes the third generation Prius Liftback, the versatile new Prius v and the Prius Plug-in Hybrid, which will debut in early 2012.
Beginning with the first generation fourteen years ago, over two million Prius units have been sold worldwide. Prius remains the world's premier eco-vehicle brand, and has made great strides establishing consumer trust in hybrid technology. With Prius c, Toyota will make the market's most proven hybrid technology available to subcompact car shoppers with a starting MSRP below $19,000.

Unique Place in the Prius Family
A gateway product into the Prius Family, the new Prius c will find favor with younger shoppers seeking a smartly designed, fuel-efficient subcompact car packing advanced drivetrain and in-car technology. The Prius c will offer engaging driving dynamics with superior urban maneuverability. When the 2012 Prius c arrives in showrooms this spring, the all-new hatchback will offer:
  • The highest rated city fuel economy estimate of any vehicle without a plug*; 53 mpg in the city, and 46 mpg on the highway, for a combined rating of 50 mpg
  • The most accessible Prius will feature a starting MSRP below $19,000 with proven hybrid powertrain and premium technology
  • A premium subcompact car experience thanks to a wide array of available convenience and advanced in-car electronics features, including a standard 3.5-in. full color TFT multi-information display, hands-free phone capability, USB port with iPod® connectivity, and available Display Audio system with Navigation and Entune™
The scale of the all-new Prius c becomes apparentwhen compared to the familiar proportions of the midsize Prius Liftback. The Prius c is smaller and lighter than its midsize Prius stable mate with 19.1 inches less length (157.3 vs. 176.4 inches OAL) and 542 lbs. less weight than the Prius Liftback (2,500 vs. 3,042 lbs.). In adapting the Hybrid Synergy Drive to the smaller Prius c platform, each of the system's major components were re-designed to reduce weight, scale, and improve efficiency.


OAL
OAH
OAW
Wheelbase
Curb weight
2012 Prius
176.4 in.
58.7 in.
68.7 in.
106.3 in.
3,042 lbs.
2012 Prius c
157.3 in.
56.9 in.
66.7 in.
100.4 in.
2,500 lbs.

Four Grades with Generous Standard Equipment
The Prius c will be available in four trim levels offering desirable features, equipment, and enhanced capability giving consumers a compelling value proposition. Prius c provides many standard features such as automatic climate control, tilt-telescopic steering wheel with audio, climate, Multi-Information Display and Bluetooth® hands-free controls, and remote keyless entry with illuminated entry among a long list of standard equipment.

Efficient Packaging
The Prius c's effective packaging design strategically locates key drivetrain components within the chassis to help optimize interior space and handling. The compact gasoline engine, transaxle and power-control unit are optimally placed within the vehicle to help enhance weight distribution and lower the center of gravity. In addition, the hybrid battery and fuel tank are positioned together beneath the rear seat, ideally distributing their mass within the wheelbase to improve weight distribution to help enhance handling. By locating the battery and fuel tank below the rear seat, the Prius c is able to offer 104 cu. ft. of interior volume (87.4 cu. ft. passenger volume, 17.1 cu. ft. cargo volume).

Prius c Hybrid Synergy Drive Propulsion
The Prius c's Hybrid Synergy Drive system integrates the operation of components that include a gasoline engine, an electric motor within a Continuously Variable Transaxle, a nickel-metal hydride battery, a power control unit (inverter), a DC-DC converter, a step-up converter and a hybrid control computer. The hybrid control computer governs the seamless application of gasoline engine and electric power depending on driving demands and selected drive mode.


Gasoline Engine
Engine Output
Electric Motor Output
Total System
Output
Prius
1.8-liter, four-cylinder, Atkinson cycle with VVT-i
98 hp@5200 rpm
105 lb.-ft.@4000 rpm
80 hp
(60 kW)
134 hp
(100 kW)
Prius c
1.5-liter, four-cylinder, Atkinson cycle with VVT-i
73 hp@4800 rpm
82 lb.-ft@4000 rpm
60 hp
(45kW)
99 hp
(74 kW)

The Prius c relies on a SULEV (Tier 2 Bin 3) rated 1.5-liter in-line, four-cylinder gasoline engine that utilizes an Atkinson cycle to increase efficiency. This engineproduces 73 horsepower and 82 lb.-ft. of torque, contributing to a total hybrid system output of 99 hp.

The Prius c's hybrid system utilizes a 144-volt nickel-metal hydride battery pack that has been located under the rear passenger seat, near the center of the vehicle, and low in the chassis to help improve the center of gravity.
Prius c offers three distinct drive modes: Normal, Eco, and EV mode. Eco mode reduces overall energy consumption by governing climate control and throttle to improve vehicle efficiency. Under certain conditions, the EV mode allows the Prius c to be driven solely by electric power for a short distance (under 1 mile) while remaining below 25 mph.

Vehicle Structure - Improved Handling and Safety
The Prius c's body structure makes extensive use of lightweight, high-strength steel to help reduce vehicle mass and improve fuel economy. The strategic use of high-tensile-strength steel contributes to the vehicle's ability to absorb and disperse impact energies helping enhance occupant safety. The high level of torsional rigidity afforded by the Prius c body structure allows the suspension to be more optimally tuned for ride and handling.

Suspension and Steering for Enhanced Handling
The front suspension uses a Macpherson strut design, and the rear rides on a tuned torsion beam. The coil-spring and shock-absorber characteristics of the Prius c have been tuned to enhance handling, flat turning, and smooth ride comfort. Prius c is available with 15- or 16-inch wheel-and-tire combinations. The 15-inch wheels are available in steel with wheel cover for base model or in aluminum alloy for elevated trim levels. Prius c models equipped with the available 16-inch aluminum alloy wheels enjoy enhanced handling thanks to a faster steering ratio (2.28 turns lock to lock), which helps quicken the vehicle's dynamic response.

Youthful Exterior and Interior Design
The Prius c exterior design helps project a fun, youthful attitude for this all-new addition to the Prius family, while offering excellent aerodynamic performance. Extensive aerodynamic features were engineered into the Prius c to help achieve a 0.28 coefficient of drag. Adding character to this subcompact, the Prius c's lower-body styling is wider below the beltline, featuring sculpted rear flares to help express a sturdy, athletic stance that communicates a more agile driving experience.

The Prius c's available exterior colors include vibrant hues that are unique and expressive. The available colors for Prius c include three new colors - Habanero, Moonglow, and Summer Rain Metallic - along with Blue Streak Metallic, Absolutely Red, Black Sand Pearl, Magnetic Gray Metallic, Classic Silver Metallic, and Super White.
The Prius c interior design seeks to create a space that is futuristic yet passenger friendly. Using black as a basic interior color, the door trim, seat surfaces, and instrument panel feature treatments in lighter colors to help create contrast.


Display Audio and Connectivity with Entune®
The 2012 Prius c will offer three audio system configurations. A base audio system features either four or six speakers, depending on the model, and includes AM/FM CD player with MP3/WMA playback capability, auxiliary audio jack, USB port with iPod® connectivity, hands-free phone capability, phone book access, and music streaming via Bluetooth® wireless technology.
The Display Audio with Navigation and Entune™ has six speakers and augments capability with a 6.1-inch touchscreen, SiriusXM™ Satellite Radio capability (with 3-month trial subscription to XM Select package), HD Radio™ with iTunes® tagging, and advanced voice recognition. Toyota's Entune™ multi-media system functions through select smart phones' interface that brings applications such as Bing and Pandora® to the vehicle audio display. It also features real time information such as traffic, weather, fuel prices, sports, and stocks.

Standard Safety Features
The Prius c is equipped with nine airbags strategically located to help protect the driver and passengers in the event of certain types of accidents. The new 2012 Prius c, like allToyota models, is equipped with the standard Star Safety System™, which includes Vehicle Stability Control (VSC), Traction Control (TRAC), Anti-lock Brake System (ABS), Electronic Brake Force Distribution (EBD), Brake Assist (BA), and Smart Stop Technology (SST).

* 2012 EPA 53/46/50 city/highway/combined mpg estimates. Actual mileage will vary.

World Premiere of the new GS 450h on September 13
  • European Premiere of the new GS 350AWD
  • European Premiere of the new CT 200h F-Sport

  • World Premiere of the new GS 450h
    Lexus will present the full hybrid version of its new premium performance sedan, the GS 450h. Equipped with the second generation Lexus Hybrid Drive system, the all-new GS full hybrid will bring even better environmental and driving performance.

    European Premiere of the new GS 350AWD1
    After its World Premiere at the Pebble Beach Concours d'Elegance in mid August, the new GS 350AWD will make its European Premiere at this year's Frankfurt Motor Show.

    The bold and dynamic GS range features a new exterior and interior design reflecting a further development of Lexus' L-finesse philosophy. Additionally, several innovative technologies that improve the driving experience and passenger safety make their debut.   

    European Premiere of the new CT 200h F-Sport
    Building upon the successful launch of the new CT 200h, Lexus is introducing the new F-Sport version. It features more aggressive design elements and is aimed at customers favoring a more dynamic and engaging drive.

    The Lexus press conference will be conducted by Andy Pfeiffenberger, Vice President Lexus Europe, and is scheduled to take place at 14:15 CET on September 13 in Hall 8.

    The Lexus stand is located in Hall 8 and the following vehicles will be on the stand during the press days: GS 450h, GS 350AWD, CT 200h F-Sport, 2 x CT 200h (Comfort Grade / Executive Grade),
    IS 250 F-Sport , IS 250C, LS 600h L, RX 450h.

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    August 30, 2011

    Lexus LS 600h L Hybrid Flaghship Sedan Provides a Technologically Advanced, Clean and Refined Ride

    • Standard All-Wheel Drive Package With Torsen Limited Slip Center Differential
    • Standard Advanced Parking Guidance System Effortlessly Guides Drivers
    • Luxurious Interior Complemented by HDD Navigation and Mark Levinson Audio System

    The Lexus LS 600h L sedan was the first vehicle to bring fuel-efficient gasoline-electric hybrid technology to the prestige luxury segment when it went on sale for the 2008 model year. The long wheelbase flagship provides the highest level of performance, technology and luxury in the LS line. It is powered by the ultra-quiet Lexus Hybrid Drive system, which was the world's first to combine a V8 gasoline engine with an all-wheel-drive (AWD) hybrid drivetrain. 

    The LS 600h L hybrid carries over virtually unchanged for 2012 with the exception of the Nebula Gray Pearl exterior replacing Smoky Granite Mica.
     
    Engine/Transmission/Drivetrain/Performance
    The LS 600h L hybrid powertrain system uniquely combines a 5.0-liter V8 gasoline engine with two powerful electric motors and a large-capacity battery pack.  The hybrid powertrain generates a peak combined output rating of 438 horsepower and can effortlessly accelerate the LS 600h L from zero-to-60 mph in just 5.5 seconds.  Mid-range acceleration is even more impressive. The system's electric motor is capable of delivering maximum torque on demand and is most beneficial during passing maneuvers.  The LS 600h L can accelerate from 50-70 mph in just 3.5 seconds.

    The innovative V8 features an electric motor-driven Variable Valve Timing with intelligence (VVT-i) and Electrically controlled intake cam (VVT-iE). The combination of VVT-iE and oil pressure-controlled VVT-i for the exhaust cam provides superior engine-startup operation and high-output performance.  A specially developed Hydrocarbon Absorber and Catalyst System is linked to the two-way exhaust to help prevent hydrocarbons contained in the exhaust from being released into the atmosphere during cold start up when the catalysts are not up to temperature. The LS 600h L also meets the Super Ultra Low Emission Vehicle II (SULEV II) certification.

    The LS 600h L is a full hybrid, capable of operating in electric-only mode or with a combination of the gas engine and electric motor.  Lexus hybrid technology allows electric-mode-only operation when certain conditions are met at low speeds or stop-and-go driving conditions, reducing fuel consumption and noise.

    A compact 288-volt DC Nickel Metal Hydride (Ni-MH) battery pack is installed behind the rear seat. The battery's power is directed through a boost converter that efficiently raises voltage to a maximum 650V DC.  An inverter changes this to AC, providing its elevated power to a 165-kW electric motor that turns at up to 10,240 rpm.  The trunk also contains a 12-volt auxiliary battery that powers the audio, navigation, and other systems.

    The LS 600h L powertrain uses two motor generators: MG1 and MG2.  Each performs specific functions and can operate as either a motor or a generator, although MG1 is used as a starter motor and provides no motive force.  The engine-driven generator, MG1, can charge the battery pack or provide additional power to the drive motor, MG2, as needed.

    A regenerative-braking system further boosts efficiency.  When the vehicle is coasting or the brakes are applied, the electric motors function as generators, capturing kinetic energy that would normally be lost as heat through the brakes and transforming it into useable electricity to recharge the batteries.

    A state-of-the-art, full-time all-wheel drive system adapts to road surface conditions to help provide vehicle control during acceleration, and cornering.  The AWD system employs a compact, ultra-quiet transfer case equipped with a TORSEN® limited-slip differential (LSD) that is 30 percent lighter in size and weight than previous TORSEN systems.

    The LSD provides rear biased torque distribution of 40:60 during normal straight-line driving, automatically and continually adjusting power distribution according to changing speed and road conditions.

    An eight-speed sequential braking mode, activated when the shift lever is in the "S" position, allows eight different stages of response.  When up-shifting, engine speed is controlled by the selected range, offering an exhilarating boost in acceleration during each of the eight "shift" stages.  When downshifting, brake-force increases to provide powerful deceleration.

    The driver can select "Hybrid" (Normal), "Power," or "Snow" modes to change the rate of throttle opening for a given throttle-pedal angle.  The Hybrid mode provides the smoothest operation and is ideal for city or suburban driving; Power sharpens accelerator pedal response and Snow mode softens accelerator pedal response, making it easier to accelerate on slippery road surfaces.  

    Chassis/Body/Suspension/Tires/Brakes
    Multi-link front and rear air-suspension systems help maintain superb vehicle posture and driving performance while maintaining the ultra-comfortable ride that is synonymous with all Lexus vehicles.

    The LS 600h L is equipped with large front- and rear-ventilated disc brakes and standard 19-inch, seven-spoke aluminum alloy wheels with all-season tires.  These special wheels receive extensive buffing.

    Electronic Power Steering (EPS) delivers a smooth steering feel and reduces parasitic losses. Variable Gear Ratio Steering (VGRS) optimizes the steering gear ratio according to vehicle speed, enhancing responsiveness and driver control.

    Networked with the Vehicle Dynamics Integrated Management (VDIM) system, VGRS can make minor adjustments to the front-wheel angle to help provide control in challenging road conditions.
     
    Safety/Security Features
    The VDIM system incorporates and manages all of the car's dynamic handling sub-systems, including: Electronically Controlled Brake (ECB) system, EPS, Vehicle Stability Control (VSC), Antilock Braking System (ABS), Electronic Brake-force Distribution (EBD) and engine torque via the electronically controlled throttle. Monitoring a variety of sensors, the system anticipates the onset of a vehicle skid or slide while cornering, and helps correct the situation with a combination of braking, throttle and steering control.

    In addition to the active safety features, the LS 600h L is standard-equipped with eight airbags, with a maximum of 11 airbags available through option packages.  The world's first low-beam LED headlamps provide superior road illumination, and the standard Adaptive Front-lighting System (AFS) helps to illuminate a turn or curve as the driver steers into it.

    The available Advanced Pre-Collision System (APCS) was the world's first system designed to react to pedestrians in the vehicle's path when it debuted on the 2009 Pebble Beach® Edition  LS 600h L.  This system is available for the LS 600h L (and the LS 460 models) with Lane Keep Assist.  Using two small cameras mounted at the front of the car that work in conjunction with millimeter-wave radar, APCS is sensitive enough to detect certain nonmetallic objects.

    As part of APCS, the LS also offers the Driver Attention Monitor System, which was another world first.  A third camera, mounted on the steering column, monitors the orientation of the driver's face. If the camera detects that it appears the driver is not looking ahead for a few seconds or more, and if an obstacle is detected ahead, then it alerts the driver, first with a warning chime and a flashing light.  As the car gets closer to the obstacle, APCS can begin to gently apply the brakes on its own.  

    To help assist the driver in maneuvering around the obstacle, the system reprograms the steering ratio, amplifying the intensity and quickness of the steering response.  At the same time, APCS automatically retracts the front seatbelts and prepares the brake system to respond with full force when activated by the driver in anticipation of a possible impact.
     
    Luxury/Comfort/Convenience
    The LS 600h L is based on the long-wheelbase LS chassis, providing nearly five inches more legroom than the standard LS 460 model.  This flagship sedan provides the highest level of comfort and convenience features in the LS series.  Standard features include a hard disk drive (HDD) Lexus Navigation system with a back-up camera, Bluetooth® phonebook download capability, Voice Command casual language voice-recognition system, and an integrated XM Radio receiver.

    For theater-level entertainment, the LS 600h L features a standard 19-speaker 450-watt Mark Levinson® Reference Surround Sound audio system.  An auxiliary jack located in the front center console allows for MP3 digital music players while a USB port allows for iPod® connectivity. The audio system also features Bluetooth streaming audio.

    Additional standard features include climate-controlled front seats; a driver's seat that features a standard slide-away feature that makes ingress/egress more comfortable; heated rear seats; a heated steering wheel; power rear sunshade; one-touch open/close power trunk; power door closers; headlamp washers; SmartAccess with push-button start and card key; electronic parking brake; Intuitive Park Assist; and laminated side glass. Intelligent High Beams adjust their brightness in response to oncoming vehicles.

    The Cold Weather Package is also standard and features a windshield deicer, upgraded battery and more efficient heater. The LS 600h L also has the Advanced Parking Guidance System (APGS) which is designed to assist with parallel and back-in parking.  Once the driver has correctly positioned the car and identified the desired parking spot via the navigation screen, APGS utilizes the rear back-up camera parking sonar sensors and electric power steering system to guide the car into the space, while the driver controls speed via braking.
     
    Luxury Options
    The optional Premium Package II includes butterfly rear headrests; driver's side rear seat with lumbar massage; rear climate controlled power seats with memory and power headrests; rear seat-mounted side airbags; a rear heater control panel; four-zone climate control; rear audio controls; additional wood trim; rear air purifier; rear headliner and side air ducts; power rear-door sunshades; and a rear seat entertainment system equipped with a power ceiling-mounted nine-inch screen for DVD viewing.

    The available Executive Class Seating Package II includes all features in the Premium Package II and adds a power passenger's side rear seat with ottoman.  The seat reclines up to 45 degrees with an upper-back recliner featuring a 17-degree angle adjustment.  A multi-function massage feature for the passenger's side rear seat recliner can be used separately or in conjunction with the seat heater and cooler.

    The package also includes a rear-seat wood-trimmed table, and the rear-seat entertainment system features a rear DVD player and wireless headphones.  The rear climate control is upgraded with an infrared sensor located in the headliner that measures lap, upper body and seat surface temperatures on each side and adjusts airflow accordingly.

    The LS 600h L also offers a telematics system, Lexus Enform® with Safety Connect®, available by subscription (complimentary one-year trial subscription included). The Lexus Enform and the Safety Connect response centers operate 24 hours a day, 7 days a week-every day of the year.

    Lexus Enform vehicles are factory ready for subscriptions to a variety of innovative SiriusXM services including NavTraffic, NavWeather, Sports, and Stocks. SiriusXM services offer complimentary 90-day trial subscriptions and require separate audio and data subscriptions.
    Exterior Design
    The LS 600h L flagship hybrid luxury sedan showcases the brand's L-finesse design philosophy, revealing a family resemblance that conveys elegance, refinement and a strong emotional appeal. Minimal body gaps, a low front grille and deep-drawn fenders all contribute to the car's distinctive, muscular profile.  Lexus' attention to detail is seen in the integrated dual chrome exhaust tips and the one-piece chrome window surround.

    Projector-type headlamps with blue crystal rings, which introduced the world's first nighttime LED low beams, help provide excellent visibility and contribute to the design theme.  Blue accents on the headlamps, badging, engine cover and the SmartAccess key fobs and Smart Card key are unique to the LS 600h L - as are the blue-tinted taillamps

    Interior Design
    Passenger space and comfort were the primary focus of the interior cabin design.  Genuine semi-aniline leather is featured throughout the cabin, its rich appearance softened and structured with additional stitching to create a relaxed atmosphere.  The leather trim extends beyond the seats and onto the instrument panel, upper front doors and door armrests.

    An Alcantara® headliner adds a pleasing touch point, and the center console is placed at the same height as the door armrests to enhance comfort and convenience.  Additional luxury touches unique to the LS 600h L include a wood-trimmed and chrome-plated shift knob and wood-trimmed assist grips.

    Warranty
    All new Lexus vehicles come with a 48-month/50,000-mile basic limited warranty with roadside assistance for 48 months/unlimited miles. Powertrain and restraint system coverage is provided for 72 months/70,000 miles. Corrosion perforation protection is covered for 72 months, regardless of mileage. The hybrid-related components, including the HV battery, battery control module, hybrid control module and inverter with converter, are covered for eight years/100,000 miles.

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    2011 Toyota Prius

    By Joe Wiesenfelder
    Cars.com National
    May 31, 2011

    The 2011 Toyota Prius is an exceptionally efficient car at a relatively low price for people who care more about conservation than the act of driving. Given its success, the formula seems to have worked just fine.

    The fact that Toyota has sold more than a million Priuses in the U.S. in the past decade is no accident. That they still make up about half of all hybrids sold - out of a couple dozen models - is likewise not a coincidence. This most recognized and recognizable hybrid's success stems from a combination of ultra-high mileage and a reasonable price.

    The base sticker for the Prius Two trim level has risen to $23,520, and it's practically impossible to find such low-priced versions on dealer lots, but its 50 mpg in combined driving is untouchable for any car without a power plug. The 2011 Honda Insight hybrid starts at $18,200, yet its estimated 41 mpg trails even the previous-generation Prius' 46 mpg. Similarly, despite a redesign and mileage boost for the 2012 model year, the Honda Civic Hybrid achieves an estimated 44 mpg for $24,050.

    Throw in the fact that the Prius' interior volume makes it a midsize car while those other two are compacts, and I'm ready to declare no contest and pull the Hondas out of the ring before they get hurt. 

    The Prius is phenomenal in the most literal sense: It's a phenomenon. The car polarizes people, and, frankly, so do many of its owners. It dragged other automakers into an undertaking in which they saw no business case; many remain bearish on a design that employs both petroleum and electric drivetrains, which the conventional wisdom deems unsustainably expensive. Yet here Toyota is, more than 10 years into the endeavor and with plans to hybridize all its model by 2020, with the possible exception of pickup trucks.

    The Prius Could Be Better
    Could the Prius be better? Absolutely. For every person who likes how the Prius stands out, there has to be at least one who finds its styling unacceptably awkward. More compelling styling wouldn't hurt, but the aspect where the Prius really falls short is in the driving experience - most of it.

    Prius owners love their hybrids with a freakish passion, but whatever it is they enjoy about the cars, it can't be the actual driving. They either don't notice, don't care or are willing to sacrifice in exchange for the car's undeniable appeal. There's nothing wrong with any of that.

    More discerning - or perhaps just pickier - drivers will find fault. At the top of the list is the Prius' braking: I have no reason to suspect that the car won't stop safely, but the pedal feel is numb and the effect nonlinear, making the brakes difficult to modulate. All hybrids and electrics employ regenerative braking, which uses the drive motors as generators to recharge their battery packs. This recoups energy for reuse, and it means the conventional brake pads don't contact the discs except under heavier braking. There are two side effects: The pedal feels unnatural, and the transition from regenerative to friction braking can be awkward.

    All hybrids and EVs exhibit this drawback, but I think the Prius is among the worst. We cited many technical improvements when the third-generation Prius came out for the 2010 model year, but I think the braking feel itself might have actually worsened. My new high-water mark for regenerative braking feel is the Nissan Leaf, though even it doesn't rival the best experience in a normal car.

    Quick Enough
    The Prius hits 60 mph in less than 10 seconds, which is not quick but is by no means a problem. The "on-ramp fallacy," as I call it, suggests that your life is in danger if your car can't hit 60 mph in 8 seconds or less (or 7, or 6, depending on whom you poll). The Prius is fine. I'm less enthused, though, about how the power is delivered compared with a conventional car or a pure EV - which is to say that it happens with some hesitation and surging, often accompanied by the gas engine revving or droning at seemingly inappropriate times.

    This characteristic also appears in hybrids from Ford and Lincoln and seems to be a side effect of what is arguably the most efficient hybrid design. Honda's hybrids - and non-hybrids with continuously variable automatic transmissions - feel a little more normal, but their mileage results aren't as impressive.

    Ditto for hybrids from Hyundai, Infiniti, Kia and others that employ regular six-, seven- or eight-speed automatic transmissions. These feel the most natural, but they don't achieve Prius-level efficiency.

    Electric Mode - Sort Of
    The Prius has a selectable all-electric mode, EV, that allegedly allows for gas-free acceleration. Not really. It may raise the threshold at which the gas engine kicks in, but it's nothing like the Chevrolet Volt - which runs electric-only under full acceleration - or even the Prius Plug-In demonstration car from our plug-in comparison, which gives respectable electric acceleration to 60 mph. Prius owners will argue furiously that they drive all-electric all the time, up to about 30 mph. Maybe - downhill, with a stiff tailwind or with no one behind them. In actual traffic, these are the people you want to pull from their cars and beat with a soy burger.

    In my experience, the Prius accelerates on electric power less than people seem to expect, but turns the engine off far more frequently than you'd imagine when coasting. Ultimately, no matter how satisfying purely electric mode seems, what matters are the results, and here the Prius consistently delivers.

    There are three other acceleration modes: normal, ECO and Power (PWR on the button). ECO makes the pedal less sensitive and helps you drive ECOnomically, and Power puts the gas engine on a hair trigger for quicker sprints at the flick of your sensible fair-trade sandal.

    The Prius' handling is also just adequate, with steering that's a little vague and lacks feedback. Sometimes we excuse lackluster handling when it comes with a soft, comfortable ride, but the Prius is no star in that regard, either. This version is an improvement over the second generation, but the ride remains firm and a bit choppy.

    What do I expect for $23,520? Better, frankly. Many small cars prove you can have pleasant ride quality at a fair price. Likewise, quietness is no longer the sole province of luxury cars, and the Prius stumbles in this area as well. Sometimes noise treatments are sacrificed to save weight, and perhaps a quieter Prius would be a less efficient one. In comparison, the Volt is impressively quiet, though admittedly more expensive. The Leaf admits some exterior noise into the cabin, too, but the Prius' overall noise platter serves more courses.

    Interior
    The interior is where the Prius earns its stripes. Specifically, its midsize volume makes the car's mileage all the more impressive, and the hatchback design makes none of the sacrifices of hybrid sedans - the most notable of which is incomplete or absent folding rear seats. The backseat offers adults plenty of room, and parents will want to check out MotherProof's Car Seat Check to see how various child-safety seats fit the Prius. (Anyone who wants almost 60 percent more cargo volume than the Prius should check out the 2012 Toyota Prius V review.)

    Though it turns off some shoppers, the high-mounted, center-biased instrument panel is fine by me. If there's a problem with it, it's the low-resolution, monochrome nature of the displays. The Volt and hybrid versions of the Ford Fusion, Hyundai Sonata and Kia Optima have high-res color LCDs. The Leaf and Honda hybrids don't have full LCD instrument panels, but at least they incorporate more color.

    Storage space is generous, with dual glove compartments, a roomy bin under the armrest and an area to stash a purse under the frontmost section of the center console. Regrettably, this is also the location of the optional heated-seat buttons, out of reach and easily blocked by the aforementioned purse. They're also fully on or off - no gradations available.

    Perhaps the worst ergonomic foible is the shifter, which bears little resemblance to the conventional type and, more important, degrades its function. The springy thing pops back to center after you select your direction, and you have to seek out an indicator on the instrument panel to know if it worked. Oh, sure, it beeps at you as long as you remain in Reverse, which would make some sense if it did so outside the car, as the Leaf's does. What's it for? To indicate the car's in Reverse? Then how does it indicate you're in Drive or any other setting that doesn't beep?

    The Volt's conventional approach proves that the shifter never had to be reimagined in the first place. Enough already.

    Safety
    The Prius received top scores of Good in the Insurance Institute for Highway Safety's front- , side- and rear-impact crash tests. Models manufactured after December 2010 also scored Good in roof-strength tests, a measure of rollover protection. It also received the National Highway Traffic Safety Administration's top score of five stars overall.

    Standard safety equipment includes antilock four-wheel disc brakes and an electronic stability system with traction control. The Four and Five trim levels are eligible for Safety Connect with Mayday, Toyota's version of OnStar, which can contact authorities in the event of a collision or other emergency. The Five trim offers an optional collision-warning system and lane departure warning.

    Prius in the Market
    Like clockwork, when gas prices rise, so does demand for the Prius, and that means shoppers will encounter higher transaction prices and fewer choices at dealerships. Debates rage over whether the higher price of a hybrid will pay for itself in gas savings, and it really depends on what you're comparing and what you value most. There is no non-hybrid Prius and few comparable gas-only models, because most midsize cars are sedans. One of the closest is Toyota's Matrix hatchback, which starts at $19,685 with an automatic transmission and delivers an EPA-estimated 25/32 mpg. In theory, you could make up that price difference within a reasonable timeframe. What frustrates the calculation is the true price of a new Prius. Due to fuel prices, it might be at or above the base sticker price, and it's even more likely that you'll find only higher trim levels at the dealership; if dealers know they can sell loaded models, that's what they'll order.

    So long as this remains the reality, one could argue the Prius is as good as it needs to be. Unless a competing automaker produces a vehicle as efficient and affordable that's more rewarding to drive and/or cooler looking, the Prius will remain the runaway winner in the high-efficiency race.

    # # # #

    By Kristin Varela
    Mother Proof

    May 10, 2011

    With the exception of a few minor issues here and there, the 2011 Toyota Prius is an easy-to-drive, little-family-hauling green machine. By little family, I'm referring to those of us with no more than two children. I tried squeezing three into the backseat - two in booster seats and a munchkin squeezed in the middle. It can work in a pinch, but I wouldn't recommend it on a regular basis.

    Once you get the hang of the unconventional gearshift - to put the Prius in Park you must press a button rather than use the gearshift - you're off on a smooth ride. In Eco Mode, the most-efficient drive mode, the Prius feels relaxing to drive. It takes off nice and easy from a stop, but definitely isn't in a hurry to get anywhere fast. If you're feeling a need for some get up and go, you can slip into Power Mode and have a little more aggression and responsiveness from the accelerator. Of course, you'll have to pay for it in the form of fuel mileage, which will be reduced from the EPA-estimated 51/48 mpg city/highway. In both modes, the Prius gives you just enough road feedback without being overpowering or obnoxiously bumpy.

    There's also an EV-Drive Mode, which I found almost useless. It allows you to drive in electric-only mode for up to a mile, but only if the battery is fully charged.

    My biggest annoyance with the Prius is something that's fixable. When in Reverse, the Prius emits a constant beeping tone to remind you that you're in Reverse. It alarmed me ever time it went off since I'm used to a similar beeping tone with rear park assist sensors alerting me that I'm about to hit something. On top of that, the actual tone is loud and high-pitched. This is something that can be deprogrammed with a trip to the dealership.

    My other problem with the Prius - well, actually my daughter's problem - was the amount of road noise intruding into the cabin. To a large degree, I didn't notice it when tooling around town by myself; however, for my daughter and me to carry on a conversation while driving on the highway, she had to raise her voice to a near shout from the backseat so I could hear her. She commented more than once on how annoying that was for her.

    The 2011 Prius starts at $23,520. My test car, a midlevel trim Prius III, cost $26,740.

    EXTERIOR
    Way back when the Prius first hit the market for the 2001 model year, I thought it was futuristic looking, like something straight out of "The Jetsons." The Prius' exterior hasn't really changed much since then. There've been a few modifications here and there to improve the proportions and aerodynamics, but the overall look is generally the same. That's great from a brand-recognition perspective, but the Prius needs a modernizing face-lift to maintain the design edginess we first associated with it.

    If I only had one or two kids, the Prius would be just the right size for me. The step-in height is low enough for most youngsters to open the doors easily and clamor in and out without pause. The hatchback design creates a lot of usable cargo space. There's enough room back there for grocery trips, luggage for a short weekend getaway or even a light load from the warehouse store.

    With a 1.8-liter inline-four-cylinder engine paired with an electric motor, the Prius makes a total of 134 horsepower. That's enough juice to get around town without overindulging in natural-resource-draining power. Unlike electric vehicles, you don't plug the Prius in, though a plug-in Prius is coming in the near future.

    SENSE AND STYLE
    Family Friendly (Not Really, Fair, Great, Excellent): Fair-Great
    Fun-Factor (None, Some, Good Times, Groove-On): Some

    INTERIOR
    The first thing I noticed when jumping into the Prius is the simplicity of the interior design. Toyota has put plenty of time, energy and money into the hybrid technology powering the vehicle, yet the inside stays plain-Jane basic. Dare I say, it's economical looking.

    My test car had Bisque-colored upholstery and hard plastic surfaces. Combine that with the (yawn) beige, I mean, Sandy Beach exterior and you have nearly the most boring color scheme available. There is, however, a certain peace that comes with driving a car this visually clean on the inside.

    There isn't too much in the way of storage compartments or nooks and crannies inside the Prius. There's a cupholder accessible up front, and a second one stashed inside the smallish dual-level center console. A single bottleholder sits in each of the front doors, and there are two cupholders in the fold-down armrest in the backseat. I found myself wishing for larger in-door storage pockets in the front row and more storage on any sort for the kids to use in back. There are two glove boxes and an open area under the center stack, which I guess is supposed to compensate for the lack of backseat storage.

    I appreciated the steering-wheel-mounted audio controls that pop up in a head-up display on the windshield when you touch them. This shows you which control you're using without requiring you to look away from the road. My Prius III test car didn't have a lot of available features, with the exception of the optional $1,930 Navigation Package that also added Bluetooth phone and streaming audio as well as a backup camera.

    The most impressive thing about the Prius' interior is its fish-bowl-like feeling. From the wide-open rear view you get with the split-glass hatch to the near-perfect forward visibility, thanks to the huge expanse of front windshield glass and extra mini windows in front of the side mirrors, the Prius gives you a great view of the road.

    IT'S THE LITTLE THINGS THAT COUNT
    Storage Compartments (Puny, Fair, Ample, Galore): Puny-Fair
    Cargo/Trunk Space (Puny, Fair, Ample, Galore): Ample

    SAFETY
    The 2011 Prius has received the top score of Good in frontal-offset, side-impact and rear crash tests conducted by the Insurance Institute for Highway Safety. It hasn't yet undergone the latest roof-strength crash test.

    While the Prius' seat belt buckles in the backseat are on stable bases, a feature I typically appreciate, they don't stick up very high from the seat cushion, making it tough for little ones to buckle up by themselves. It also allows migrating booster seats to inch their way over the top of the seat belt buckles. Ugh! Then I have to get out of the driver's seat, open up the rear door and try to scooch the booster seat - along with the 50-pound child perched on top - back into position.

    For those using the Latch system to install child-safety seats, there are two sets of lower anchor points (in the outboard seats). They are deeply recessed into the seat bight, where the back and bottom cushions meet. However, when equipped with fabric seating upholstery, you can easily maneuver your hand inside the seat bight to fish for the anchor. Find out how the 2011 Prius fared in MotherProof.com's Car Seat Check.

    The beeping tone I mentioned earlier in this review, the one that sounds constantly while in Reverse, is theoretically a safety feature to help you know you're backing up since the gearshift is somewhat unconventional. I'd argue that it's more of a safety hazard. It was distracting and kept me from focusing on what I was doing.

    The Prius has standard front-wheel drive, all-disc antilock brakes, traction control, an electronic stability system and seven airbags, including a driver's knee airbag and side curtain airbags in both rows. It has optional radar-based adaptive cruise control, lane departure warning system and a pre-collision system.


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