STI
Type Horizontally opposed 4-cylinder intercooled high-boost turbo with die-cast aluminum-alloy block and aluminum-alloy cylinder heads. Intercooler has driver-controlled manual water spray cooler with low-fluid indicator.
Displacement 2.5 liters (150 cubic inches)
Horsepower 300 @ 6000 rpm
Torque (lb.-ft.) 300 @ 4000 rpm
Valvetrain 16-valve with Dual Overhead Camshaft design (DOHC) with Active Valve Control System (AVCS) variable valve timing.
Fuel System Sequential multi-port fuel injection system
Ignition System Direct ignition system: iridium spark plugs
Exhaust System STi Performance Turbo Type
Engine Management Engine Control Module (ECM) manages fuel injection and ignition systems and features learning, self-diagnosis, limp-home and anti-knock capabilities
Fuel Tank Capacity 15.9 gallons
2004 EPA Mileage Estimates (mpg, city/highway) 18/24 (manual transmission)
CHASSIS
Body Construction Unitized with hydroformed front sub-frame and front and rear crumple zones. 70% of body sheet metal is two-sided galvanized. Aluminum-alloy hood.
Suspension Sport-tuned, reinforced, fully independent with coil springs and inverted struts. Front: aluminum-alloy lower L-arms with liquid-filled rear bushings and stabilizer bar. Rear: inverted struts with parallel links and stabilizer bar.
Brakes Brembo performance, power-assisted with dual diagonal hydraulic circuits, Super-Sport 4-channel/4-sensor Anti-lock Braking System (ABS) and Electronic Brake-force Distribution (EBD). Front: 12.7-inch ventilated discs with 4-piston fixed position calipers. Rear: 12.3-inch ventilated discs with twin-piston fixed position calipers.
Steering Quick-ratio rack-and-pinion with engine-speed-sensing variable power assist
Turning Circle, Curb-to-Curb 35.4 feet
Wheels 17x7.5-inch BBS aluminum-alloy (Gold or Gun Metal Gray)
Tires 225/45R17 90W summer radials
DRIVETRAIN
Manual Transmission (Standard) 6-speed manual with overdrive
All-Wheel Drive (AWD) Full-time AWD system automatically distributes power between front and rear wheels based on traction needs. WRX STi models have a Driver Controlled Center Differential (DCCD) with Automatic Mode. DCCD utilizes a planetary center differential in conjunction with an electronically managed continuously variable transfer clutch.
DIMENSIONS (inches unless otherwise noted)
Wheelbase/Length 100.0/173.8
Width/Height 68.5/56.3
Track: Front/Rear 58.7/58.5
Headroom: Front/Rear 38.6/36.7
Legroom: Front/Rear 42.9/33.0
Curb Weight (pounds) (w/Manual Transmission) 3263
EPA Interior Volume (cubic feet) 87.6
EPA Cargo Volume (cubic feet) 11.0 (trunk)
Maximum Towing Capacity (pounds)** 2000
**When properly equipped. See Owner's Manual for detailed instructions you should follow when towing a trailer.
SAFETY FEATURES
Meets all federal passenger car safety standards S
All-Wheel Drive (AWD) S
Suretrac limited-slip front differential S
Mechanical limited-slip rear differential S
4-channel/4-sensor Super Sport Anti-lock Braking System (ABS) S
Electronic Brake-force Distribution (EBD) S
Dual front air bags (SRS)* S
Front seat head/chest side-impact air bags (SRS)* S
Height-adjustable 3-point front seatbelts with pre-tensioners and force limiters S
3-point rear seatbelts for all three seating positions S
3 rear seat child safety seat anchors S
LATCH system: Lower Anchors and Tether for Children (LATCH) S
Child safety rear door locks S
Energy-absorbing front and rear crumple zones S
5-mph impact-absorbing bumpers S
Energy-absorbing collapsible steering column S
Side-impact door beams S
Ring-shaped reinforcement frame construction S
Safety brake pedal system S
Internal child safety trunk release with self-illuminating handle S
*The Supplemental Restraint System (SRS) (air bags) affords the driver and front passenger additional protection in a moderate-to-severe frontal collision. This system provides supplemental protection only, and seatbelts must be worn in order to avoid injuries to out-of-position occupants upon bag deployment and to provide the best combined protection in a serious accident. Children should always be properly restrained in the rear seat.
EXTERIOR FEATURES
Aluminum-alloy hood, large functional hood scoop, front bumper corner spoilers, STi body-color aerodynamic side ground effects, large chrome single-outlet tailpipe with STi logo and large rectangular trunk spoiler. S
High Intensity Discharge (HID) headlights S
Dual power fold-away mirrors S
Variable intermittent windshield wipers S
Windshield wiper fin S
Rear window defogger with timer S
INTERIOR FEATURES
Performance-design reclining front bucket seats with driver's side height adjustment S
Leather-wrapped 3-spoke STi MOMO brand steering wheel with red stitching S
Leather-wrapped shifter handle and parking brake handle with red stitching S
Center console storage tray and storage box S
Illuminated locking glove box S
Two front cup holders S
Dual visor vanity mirrors with lids S
Power windows and door locks S
Cruise control S
Remote keyless entry system with answer-back chirp S
Illuminated ignition switch ring S
Off-delay dome light S
Trunk light S
Semi-automatic air conditioning system S
Air filtration system S
Ambient temperature gauge S
STi brand gauge pack with full needle sweep on start-up, center-mounted tachometer with red-line warning light and buzzer, digital dual-mode trip odometer, coolant temperature gauge and low-fuel light S
Pre-wired for audio system S
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