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Subaru Impreza WRX STI (US)

(2004 model)

Brief specs of 2004 Subaru Impreza WRX STI (US)

4-door 5-seater sedan (saloon), petrol (gasoline) 4-cylinder 16-valve flat (horizontally opposed, boxer) engine, DOHC (double overhead camshafts, twin cam), 2457 cm3 / 149.9 cu in / 149.9 cu in, 223.7 kW / 300.0 hp / 300.0 hp @ 6000 rpm / 6000 rpm / 6000 rpm, 407.0 N·m / 300.2 lb·ft / 300.2 lb·ft @ 4000 rpm / 4000 rpm / 4000 rpm, manual 6-speed transmission, all wheel drive

units: metric UK US

Basic (general) data

Marque (make)SubaruIssued from2004
ModelImpreza WRX STI (US)Issued until
SerieImprezaNumber made
Model familyBody construction
Model codeBody designation
ManufacturerFuji Heavy Industries Co. Ltd.CountryJP

Bodywork

Base platformNumber of doors4
Bodywork typesedan (saloon)Number of seats5
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4415 mm / 173.8 in / 173.8 inTotal (curb) weight1496 kg / 3298 lb / 3298 lb
Width1740 mm / 68.5 in / 68.5 inDry weight
Height1430 mm / 56.3 in / 56.3 inLoad capacity
Wheelbase2540 mm / 100.0 in / 100.0 inGross (max.) weight
Track front1490 mm / 58.7 in / 58.7 inTowing weight
Track rear1495 mm / 58.9 in / 58.9 inWeight distribution (front)
Ground clearanceFuel capacity60 l / 13.2 UK gal / 15.9 US gal
Length/wheelbase ratio1.74  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.11 m2 / 22.8 sq ft / 22.8 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders4
Engine Typeflat (horizontally opposed, boxer) Total number of valves16
Engine ManufacturerSubaruValves per cylinder4
Engine constructionaluminium alloy block & headBore99.5 mm / 3.92 in / 3.92 in
Fuelpetrol (gasoline)Stroke79.0 mm / 3.11 in / 3.11 in
Fuel detailsBore/Stroke ratio1.26
Fuel supplySMPFiEngine displacement2457 cm3 / 149.9 cu in / 149.9 cu in
Engine Main bearingsUnitary capacity614.25 cm3/cylinder / 37.484 cu in/cylinder / 37.484 cu in/cylinder
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio8.2 : 1
SumpMax. output power223.7 kW / 300.0 hp / 300.0 hp at 6000 rpm / 6000 rpm / 6000 rpm
AspirationturbochargedMax. torque407.0 N·m / 300.2 lb·ft / 300.2 lb·ft at 4000 rpm / 4000 rpm / 4000 rpm
Compressor typeMaximum rpm
IntercooleryesMax. net output (power at the wheels)89.5 kW / 120.0 hp / 120.0 hp (est.)
CoolantwaterSpecific output91.0 kW/l / 2.001 bhp/cu in / 2.001 bhp/cu in
Catalytic converteryesSpecific torque165.7 N·m/l / 1.45 lb·ft/cu in / 1.45 lb·ft/cu in

Transmission

Transmission typemanualNumber of gears6
Wheel driveall wheel driveTop gear (drive) ratio0.76
  Final gear (drive) ratio3.9

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio200.5 kW/ton / 151.9 bhp/ton / 151.9 bhp/ton
Acceleration 0-100 km/hFuel consumption, City (urban)
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions
  Range

Chassis

Engine locationfrontEngine alignmentlongitudinal
Steeringrack & pinion VPASSteering details
Turns lock-to-lock2.7Turning circle
Suspension frontSuspension rear
Wheels front8.0JJ x 17Wheels rear8.0JJ x 17
Tyres front225/45 R 17Tyres rear225/45 R 17
Brakes frontventilated discBrakes rearventilated disc
Brake diameter front323 mm / 12.7 in / 12.7 inBrake diameter rear312 mm / 12.3 in / 12.3 in
Brakes detailsservo-assisted, ABS (anti-lock braking system)Braked area

Technical specifications and performance data of Subaru Impreza WRX STI (US)

Infobox

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