Subaru Impreza WRX STI, Impreza WRX Premium User Manual

Impreza WRX® | WRX STI®

ENGINE AND DRIVETRAIN WRX and WRX Premium WRX STI

Engine 2.5-liter DOHC intercooled, turbocharged aluminum-alloy 16-valve 4-cylinder horizontally opposed SUBARU BOXER® engine.

Power 265 hp @ 6,000 rpm 305 hp @ 6,000 rpm

Torque 244 lb-ft @ 4,000 rpm 290 lb-ft @ 4,000 rpm

Compression ratio 8.4:1 8.2:1

Bore and stroke 99.5 x 79.0 mm

Valve timing Active Valve Control System (AVCS) Dual Active Valve Control System (DAVCS)

Intake system

Fuel and ignition system

SI-DRIVE performance

management system

Transmission

Emissions Certified Low Emission Vehicle (LEV2)

FUEL

Fuel economy (city/highway)118/25 mpg 17/23 mpg

Fuel requirement Premium unleaded gasoline (91 octane) required. 93 octane recommended (WRX STI).

SYMMETRICAL ALL-WHEEL DRIVE

Continuous All-Wheel Drive

Driver Controlled Center

Differential (DCCD)

All-Wheel Drive

STABILITY AND TRACTION

Vehicle Dynamics Control (VDC)

Traction Control System (TCS)

Turbocharger with intercooler. Maximum boost pressure: 13.3 psi.

Sequential multiport fuel injection. Electronic Throttle Control (ETC). Engine management with integrated self-diagnostics and adaptive driving habits capability. Direct ignition.

Not available

Fully synchronized 5-speed manual with Incline Start Assist

WRX models utilize a viscous-type locking center differential with torque distribution normally configured at a 50/50-split front-to-rear. If wheel speed differs between front and rear axles, the system helps distribute power to the wheels with the most traction.

Exclusive to WRX STI, Driver Controlled Center Differential (DCCD) All-Wheel Drive uses an electronically managed multi-plate transfer clutch and a mechanical limited-slip differential in conjunction with a planetary-gear-type center differential to control power distribution between the front and rear wheels. Featuring manual and three automatic modes, DCCD splits power 41% front and 59% rear. Sensors monitor parameters such as wheel slippage, steering angle, throttle position and braking to help determine torque distribution and direct it to the wheels with optimum traction. DCCD also features a limited-slip helical front and Torsen® rear differential.

VDC electronic stability control utilizes sensors which constantly monitor wheel speed, steering angle, brake pressure, vehicle yaw rate and lateral g-forces. If VDC detects a difference between the driver’s intended path and the one the vehicle is actually taking, VDC applies braking power and/or reduces engine torque to help correct vehicle path. Exclusive to WRX STI, VDC features Standard, Off and performance-oriented Traction modes.

VDC also incorporates an all-wheel, all-speed traction control system which, when sensing a loss of traction, applies braking force and reduces engine torque to the slipping wheel or wheels as necessary to maintain vehicle motion.

Turbocharger with high-cross-flow-design intercooler. Maximum boost pressure: 14.7 psi.

Subaru Intelligent Drive (SI-DRIVE) enables three distinctively different modes of vehicle performance characteristics by regulating the engine control unit (ECU) and by fine-tuning the electronically controlled throttle.

Fully synchronized close-ratio 6-speed manual with Incline Start Assist

Impreza WRX | WRX STI Equipment

EXTERIOR

Projector low-beam and multireflector high-beam halogen headlights

High-intensity discharge (HID) low-beam and multireflector halogen high-beam headlights

Foglights

L.E.D. taillights (5-door)

Functional hood scoop (feeds turbocharger intercooler)

Front underspoiler

STI-design front bumper with integrated spoiler

Aerodynamic side ground effects

Rear underspoiler (4-door)

Rear bumper with integrated diffuser (5-door)

Rear spoiler

Exhaust system with dual outlets (4-door)

Exhaust system with single outlet (5-door)

STI high-performance-tuned exhaust system with quad stainless-steel outlets

Body-color side mirrors

Heated side mirrors and windshield wiper de-icer

Body-color door handles

Two-speed windshield wipers with variable intermittent mode and mist feature

Single-speed rear window wiper with fixed intermittent mode (5-door)

Power tilt/sliding-glass moonroof

SEATING AND TRIM

6-way manually adjustable driver’s seat. 4-way manually adjustable front-passenger’s seat.

Performance-design front seats with fixed integrated head restraints, embroidered WRX logos and red stitching

Performance-design front seats with fixed integrated head restraints and embroidered STI logos

Heated front seats

60/40-split flat-folding rear seatback

Leather-wrapped 3-spoke steering wheel with cruise control buttons and red stitching

Leather-wrapped 3-spoke steering wheel with audio system, cruise control buttons and red stitching

STI-design leather-wrapped 3-spoke steering wheel with audio system and cruise control buttons

Leather-wrapped shifter handle

Cloth upholstery

Alcantara®/leather upholstery

Aluminum-alloy pedal covers

WRX WRX WRX Premium STI

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CHASSIS

WHEELS AND TIRES

EXTERIOR DIMENSIONS

Length/Width/Height 180.3 inches/68.5 inches/58.1 inches 173.8 inches/68.5 inches/58.1 inches 173.8 inches/70.7 inches/58.1 inches

Track (front/rear) 58.9 inches/59.3 inches 58.9 inches/59.3 inches 60.2 inches/60.6 inches

INTERIOR DIMENSIONS

Headroom (front/rear)

Legroom (front/rear) 43.5 inches/33.5 inches 43.5 inches/33.5 inches 43.5 inches/33.5 inches

Shoulder room (front/rear) 54.8 inches/53.2 inches 54.8 inches/53.2 inches 54.8 inches/53.2 inches

Passenger volume 94.6 cubic feet (with moonroof: 93.0 cubic feet) 94.6 cubic feet (with moonroof: 93.2 cubic feet) 94.6 cubic feet

Steering Engine-speed-sensing variable power-assisted rack-and-pinion. Turning circle, WRX: 35.4 feet. WRX STI: 36.1 feet.

Suspension

Brakes

Brake Assist When emergency braking is detected by how quickly the brake pedal is pressed, maximum brake pressure is immediately applied.

Wheels 17 x 7.0-inch 10-spoke aluminum-alloy. Gray color.

Wheelbase 103.1 inches 103.1 inches 103.3 inches

Curb weight WRX: 3,174 lbs | WRX Premium: 3,229 lbs WRX: 3,175 lbs | WRX Premium: 3,229 lbs 3,395 lbs

Cargo volume 11.3 cubic feet

Sport-tuned 4-wheel independent suspension. Front: Strut-type with lower L-arm. Rear: Double wishbone. Front and rear stabilizer bars.

4-wheel disc, ventilated front. Dual-piston front and single-piston rear calipers. 4-channel, 4-sensor ABS with Electronic Brake-force Distribution (EBD). Front: 11.6 inches/Rear: 11.3 inches

Tires 225/45 R17 summer-performance 245/40 R18 93W ultra-high-performance

WRX 4-door WRX 5-door WRX STI 5-door

40.3 inches/37.6 inches (with moonroof: 39.3 inches/37.5 inches)

40.3 inches/37.6 inches (with moonroof: 39.3 inches/37.4 inches)

19.0 cubic feet (44.4 cubic feet with rear seat lowered)

High-performance sport-tuned 4-wheel independent suspension.

Front: Inverted-strut-type with aluminum-alloy lower L-arm. Rear: Double wishbone.

Front and rear stabilizer bar

Brembo® performance braking system. 4-wheel disc, ventilated front and rear. 4-piston front and dual-piston rear calipers. 4-channel, 4-sensor Super Sport ABS with Electronic Brake-force Distribution (EBD). Front: 12.8 inches/Rear: 12.4 inches

18 x 8.5-inch 5-spoke aluminum-alloy. High-luster silver finish. Optional 18 x 8.5-inch 18-spoke BBS® aluminum-alloy. Silver or gold color.

40.3 inches/37.6 inches

19.0 cubic feet (44.4 cubic feet with rear seat lowered)

CONVENIENCE FEATURES

Power front and rear windows with driver's auto-down

Power side mirrors

Electronic cruise control

Tilt/telescoping steering column

Dual cupholders in center console

Single bottle holder in each door panel

Sun visors with concealed vanity mirrors

Center console with L.E.D.-illuminated storage tray and 12-volt power outlets

Illuminated and lockable glovebox

Footwell illumination lighting

Cargo-area grocery bag and tiedown hooks (5-door)

Retractable/removable cargo-area cover (5-door)

INSTRUMENTATION

Analog speedometer, tachometer, coolant temperature and fuel gauges

Sport-design electroluminescent gauges with center-mounted tachometer

STI sport-design electroluminescent gauges with center-mounted tachometer

Gauge needles full-sweep and trim rings illumination on start-up

Digital trip computer displaying average fuel economy, digital clock and ambient temperature

DCCD and SI-DRIVE modes display

AUDIO SYSTEMS

4-speaker audio system with single-disc in-dash CD player and MP3/WMA capability

10-speaker audio system with 6-disc in-dash CD changer, MP3/WMA capability and SRS Circle Surround Automotive® audio enhancement

Auxiliary audio jack

XM® or SIRIUS® Satellite Radio capability

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WRX WRX

CLIMATE CONTROL

Automatic climate control system with CFC-free air conditioning and • rotary controls for temperature, fan and airflow direction

WRX Premium STI

Colors

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SECURITY

Keyless entry system with answer-back electronic chirp

Antitheft security system

Engine immobilizer

SAFETY

ACTIVE

Subaru Symmetrical All-Wheel Drive (AWD)

SUBARU BOXER engine

Vehicle Dynamics Control (VDC)

Traction Control System (TCS)

Brake Assist

4-wheel antilock braking system (ABS) with Electronic Brake-force Distribution (EBD)

Tire Pressure Monitoring System (TPMS)

Daytime Running Lights (DRL)

PASSIVE

Dual driver’s and front-passenger’s front airbags (SRS)4

Subaru advanced frontal airbag system (SRS)4

Side-curtain airbags protecting front and rear outboard occupants (SRS)4

Seat-mounted front side-impact airbags (SRS)4

Height-adjustable 3-point front seatbelts with pretensioners and force limiters. 3-point seatbelts at all rear seating positions.

Rear child-safety door locks

Safety pedal system

Energy-absorbing collapsible steering column

Ring-shaped reinforcement frame body structure

Paint

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Satin White Pearl Spark Silver Metallic Lightning Red

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WR Blue Mica Dark Gray Metallic Obsidian Black Pearl

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Upholstery

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OPTIONAL EQUIPMENT

Satellite Radio and Navigation Package: Touch-screen GPS navigation system with 7-inch high-resolution screen and auxiliary inputs for portable multimedia devices, 10-speaker audio system with single-disc in-dash CD player and Audyssey MultEQ® audio enhancement, SIRIUS® Satellite Radio3 and Bluetooth® wireless capability,5 multifunction screen displaying navigation system information and trip computer (current and average fuel economy, driving range, calculator and maintenance indicator)

18-inch BBS 18-spoke aluminum-alloy wheels and foglights

18-inch BBS 18-spoke aluminum-alloy wheels and foglights, touch-screen GPS navigation system with 7-inch high-resolution screen and auxiliary inputs for portable multimedia devices, 10-speaker audio system with single-disc in-dash CD player and Audyssey MultEQ® audio enhancement, Bluetooth wireless capability,5 multifunction screen displaying navigation system information and trip computer (current and average fuel economy, driving range, calculator and maintenance indicator)

Standard ° Optional - Not available

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1 2009 EPA fuel economy estimates. Actual mileage may vary. 2 Silver color with Spark Silver Metallic, Lightning Red, Dark Gray Metallic and Obsidian Black Pearl. Gold color with Satin White Pearl and WR Blue Mica. 3 Available as an accessory. Satellite radio hardware and required monthly subscription sold separately. See your dealer. SIRIUS Satellite Radio hardware standard (required monthly subscription sold separately) on

WRX Premium when equipped with optional navigation system. 4 The Supplemental Restraint System (SRS) affords the driver and the front passenger additional protection in moderate to severe frontal and sideimpact collisions and outboard 2nd-row passengers additional protection in moderate to severe side-impact collisions. This system provides supplemental protection only, and seatbelts must be worn in order to avoid injuries to out-of-position occupants upon airbag deployment and to provide the best combined protection in a serious accident. Children should always be properly restrained in one of the rear seats. See Owner's Manual for recommended seating position. 5 Requires accessory microphone. See your dealer.

Some images shown are for illustration purposes only. Specifications in this brochure are based on the latest product information available at the time of publication. For the most up-to-date product information, log on to subaru.com. Some equipment shown in photography in this brochure is optional at extra cost. Specific options may be available only in combination with other options. Specific combinations of equipment or features may vary from time to time and by geographic area. Certain accessories and equipment may not be available at the time of publication. Subaru of America, Inc., reserves the right to change or discontinue at any time, without notice, prices, colors, materials, equipment, accessories, specifications, models and packages without incurring any obligation to make the same or similar changes on vehicles previously sold. Colors shown may vary due to reproduction and printing processes.

This brochure was prepared by Subaru of America, Inc. A warranty from Subaru of America, Inc., is available only on cars sold to the first retail purchaser through an authorized Subaru dealer in the continental U.S. or Alaska. Subaru, SUBARU BOXER, Added Security, Impreza, STI and WRX are registered trademarks. iPod is a registered trademark of Apple Inc. SRS Circle Surround Automotive is a registered trademark of SRS Labs, Inc. Audyssey MultEQ is a registered trademark of Audyssey Laboratories, Inc. Brembo is a registered trademark of Freni Brembo S.p.A. Alcantara is a registered trademark of Alcantara S.p.A. and Alcantara is produced by Toray Group. TORSEN is a registered trademark of JTEKT Corporation. BBS is a registered trademark of BBS Kraftfahrzeugtechnik AG. XM is a registered trademark of XM Satellite Radio Inc. SIRIUS is a registered trademark of Sirius Satellite Radio Inc. Bluetooth is a registered trademark of Bluetooth SIG, Inc. HomeLink is a registered trademark of Prince Corporation, a wholly owned subsidiary of Johnson Controls. For more information, contact your Subaru dealer or log on to subaru.com.

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Carbon Black Checkered Cloth ( CBCC) Graphite Gray Alcantara®/

Carbon Black Leather (GGA)

Impreza WRX Color Combinations

PAI NT

Satin White Pearl CBCC GGA

Spark Silver Metallic CBCC GGA

Lightning Red CBCC GGA

WR Blue Mica CBCC GGA

Dark Gray Metallic CBCC GGA Obsidian Black Pearl CBCC GGA

WRX and WRX Premium WRX STI