2011 Subaru Impreza STI

11 Apr 2015 | Author: | Comments Off on 2011 Subaru Impreza STI

2011 Subaru Impreza STI

As announced earlier, the 2011 Subaru Impreza STI has just been unveiled and yes, the 4-door sedan body style is back. The 2011 Subaru Impreza STI will be offered in two body styles, the new 4-door sedan and the 5-door hatchback. The 2011 Subaru Impreza STI also comes with a re-tuned suspension and lighter 18-inch wheels.

In terms of design, the 2011 Subaru Impreza STI comes with a new front fascia with a revised bumper, a lip spoiler, a newly designed front grille and larger grille and bumper intake openings. The 4-door 2011 Subaru Impreza STI comes with wider rear fenders.

Super Sport anti-lock (ABS) disc brakes with Electronic Brake-force Distribution (EBD).

The power of the 2011 Subaru Impreza STI comes from the same turbocharged/intercooled 4-cyl. Boxer engine developing 305 hp that’s coupled with the 6-speed manual transmission.

The 2011 Subaru Impreza STI price and availability will be announced at a later date.

vehicle, said Tom Doll, executive vice president and COO of Subaru of America, Inc. The 2011 4-door 2011 Subaru Impreza STI will expand the appeal of this iconic performance model to a wider range of driving enthusiasts.

New Designs for 2011

In front, the 2011 WRX STI models feature sharpened bumper corners and wider, blacked-out fog lamp nacelles to accentuate the wide and low profile. A jutting lip spoiler with three-dimensional detailing emphasizes the cars’ sporty intent. The newly designed front grille with black base and blacked-out Subaru wing highlights the headlights’ shape to give the entire front end a more powerful appearance, accentuated by

larger grille and bumper intake openings.

For the 4-door models, newly designed wider rear fenders are stretched out on the side beyond the tail lamps, accentuating a look of power and stability. The new design details contribute to an improved drag coefficient.

New Chassis Tuning for 2011

The Subaru WRX STI was already a highly optimized performance machine. Specific chassis tuning. Aluminum front lower L-arms reduce unsprung vehicle weight. Major chassis tuning changes include a lowered ride height and new pillow-ball bushings in front and stiffer bushings for the rear subframe that supports the double-wishbone suspension – these improve camber and toe stiffness.

Both the front and rear suspension systems employ higher-rate springs and thicker front and rear stabilizer bars than the 2010 model: 21 mm vs. 20 mm in front and 19 mm vs. 18 mm in rear.

Spring rates have increased by 15.6 percent in front and 53 percent in the rear.

New standard 18-inch aluminum wheels feature high-luster paint and weigh 17.6 lbs. less than the previous standard wheels. The optional 18 x 8.5-in. BBSВ® forged aluminum-alloy wheels, which further reduce unsprung vehicle weight, are highlighted by silver high-luster paint for 2011.

Exclusive to the 2011 Subaru Impreza STI, the Brembo Performance Brake System uses ventilated 4-wheel Super Sport anti-lock (ABS) disc brakes with Electronic Brake-force Distribution (EBD). Super Sport ABS can control the braking forces at each rear wheel independently, which optimizes braking ability during hard cornering to help reduce understeer.

The Ultimate Performance Subaru

The 2011 WRX STI continues as the ultimate-performance Subaru with its high-boost 305-hp turbocharged/intercooled 4-cyl. Boxer engine and 6-speed manual transmission. The STI also features Multi-Mode Driver Controlled Center Differential (DCCD) version of Symmetrical All-Wheel Drive with three Auto modes, as well as a manual mode with six driver-selectable differential locking settings.

The 2011 Subaru Impreza STI is equipped with advanced dynamic control systems, as well: the Multi-Mode Vehicle Dynamics Control (VDC) stability and traction control system is standard and features a track performance-optimized mode; Subaru Intelligent Drive (SI-DRIVE) technology allows the driver to tailor the car’s driving characteristics by choosing from among three selectable modes – Intelligent, Sport and Sport Sharp – using a rotary dial on the center console.

The 2011 Impreza WRX STI models arrive in Subaru dealerships late this summer.

Sporty, Spacious and Versatile Interior

New for 2011, the 2011 Subaru Impreza STI interior is finished in black and silver to highlight its sporty design. Trim panels, the steering wheel air bag cover and steering wheel switches are now dark cast metallic.

The standard tilt and telescopic steering wheel is a three-spoke, leather-wrapped design embossed with the STI logo and features control switches for BluetoothВ® hands-free phone function. A new AM/FM stereo with single-disc CD player features Bluetooth audio streaming and hands-free calling, iPod control capability, a USB port, 3.5mm aux. input jack and XM/SIRIUS satellite radio (subscription is extra). An available navigation system integrates a vehicle information center and Bluetooth hands-free calling.

Fuji Heavy Industries Ltd. (FHI) unveiled the 2011 Subaru Impreza WRX STI and WRX (U.S. specifications) models today at the New York International Auto Show (Press day: March 31 and April 1; Open to the public from April 2 through 11).

The 2011 Subaru Impreza STI offers superior driving performance befitting a sports model and is Subaru’s performance flagship. The 2011 Subaru Impreza STI also offers high levels of safety thanks to the Horizontally-Opposed (Boxer) turbo engine serving as a core of the Symmetrical All-Wheel Drive (AWD) system with its excellent weight balance and a low center of gravity.

Developed under the concept of “The Fastest WRX STI Ever”, the 2011 model has achieved even more advanced driving performance due to a finely tuned suspension. To attain such superior performance, the model underwent repeated testing at the Nurburgring track in Germany as well as in Japan, which served to refine the essential nature of the car as a true driver’s car that offers “total driving control” with a high level of cornering performance, secure and supreme sure handling, and overall vehicle stability.

New 4-Door Sedan

In order to further pursue the performance expected of a road sports model, a 4-door model has been added to the lineup to provide a new Subaru AWD performance sedan.

New Wide-Body WRX 4- and 5-Door

Adopting the same wide body as the 2011 Subaru Impreza STI, the Impreza WRX features wider tread and tire widths which, together with a finely tuned suspension, provide remarkable improvements to stability and road-holding performance when driving at high speeds. The 4-door and 5-door models have been thoroughly upgraded in terms of styling and driving performance for enhanced product appeal.

Main Improvements for the 2011 Subaru Impreza STI

1. Exterior

• The new 4-door model, along with the 5-door, includes a “wide and low” design concept that is a perfect match for this advanced performance model and gives the impression of dynamic and powerful road presence.

• The corners of the bumpers have been enlarged and the areas around the fog lamps have been blacked out in order to provide a front face shape that expresses a sense of reassuring stability. The newly designed front grill features virile black tones which, together with enlarged grill and bumper openings, serve to project functionality matching the vehicle’s high performance. The adoption of a forward-surging shape for the lip spoiler at the bottom of the bumper further enhances the sportiness. (For both 4-door and 5-door models)

• Like the 5-door model, a blister fender running from the front to the rear, providing a side view with a sense of dynamic movement, has been adopted for the new 4-door model. The rear fender has a strong design that emphasises the wider track of the rear tires and the performance sedan characteristics.

• For the rear view of the 4-door model, the rear fender surface is stretched beyond the outer side of the combination lamps, emphasizing the thickness of the rear end, thereby providing a design that expresses stability. Additionally, the diffuser shape incorporated at the bottom of the rear bumper completely envelops the muffler for a refined, sporty look.

• A striking larger rear spoiler was exclusively designed for the STI 4-door model. The spoiler has a three-dimensional shape in consideration of the aerodynamics of the wing and further serves to symbolise the advanced performance of the 2011 Subaru Impreza STI.

• The twin-dual muffler cutters feature a new design unique to the 4-door model. Stainless steel is used to express both sportiness and high product quality.

• Lightweight 18-inch aluminum wheels have been newly adopted as standard equipment, and these have been given a high luster finish to heighten the sense of luxury. Additionally, the optional BBS 18-inch wheels are provided with a high luster finish. (For both 4-door and 5-door models)

• The new color of “Plasma Blue Silica” has been added. (For both 4-door and 5-door models)

2. Interior (For both 4-door and 5-door models)

• The colors of the instrument panel, door trim and steering decorative parts have been changed to a dark metallic hue. The contrast of this hue with the silver decorative parts produces a sporty cockpit.

• A Bluetooth®* function has been added to the standard audio. Additionally, a switch for Bluetooth hands-free communication has been added to the steering wheel to improve convenience.

* BluetoothВ® is a registered trademark of BluetoothВ® Sig, Inc. USA.

• A USB jack has been installed inside the console box in order to provide for use of USB input devices.

3. Mechanisms (For both 4-door and 5-door models)

• The overall suspension setup has been completely revised and the vehicle height lowered by 5 mm in order to provide high-precision handling that allows a driver to accurately power through lines exactly as required.

• A new aluminum lower arm has been designed for the front suspension, while the rear arm bushes have been changed to a pillow-ball type. These work to improve toe and tread rigidity in order to provide handling performance that is even more faithful to the driver’s steering control.

• The specifications of the sub-frame bushings of the rear suspension have been changed to improve the toe and camber rigidity, resulting in increased vehicle responsiveness and road hugging capability.

• Specialised tuning of the damping force of both front and rear dampers provides secure road-holding ability. Changes to specifications of the front and rear coil springs, and stabilizers have greatly improved roll rigidity.

(US. Specification models)

Overall Length Г— Width Г— Height (mm): 4,580 (4-door), 4,415 (5-door) Г— 1,795 Г— 1,470

Wheelbase (mm): 2,625

Track Front/Rear (mm): 1,530/1,540

Engine Type: Horizontally-Opposed 4-cylinder DOHC turbocharged engine

Displacement: 2,457 cc

Max. Output: 305 hp@6,000 rpm

Max. Torque: 290Ib-ft@4,000 rpm

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