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2004 Impreza Wrx Sti Specifications |
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| ENGINE |
| 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 |
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 | |
| COLORS / FABRICS |
| Aspen White |
Blue Perforated Ecsaine |
| Java Black Pearl |
Blue Perforated Ecsaine |
| Platinum Silver Metallic |
Blue Perforated Ecsaine |
| WR Blue Pearl |
Blue Perforated Ecsaine | |
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