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Subaru Impreza WRX STI

(2007 model)

Brief specs of 2007 Subaru Impreza WRX STI

5-door 5-seater hatchback (liftback) sedan, 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, 227.4 kW / 304.9 hp / 304.9 hp @ 6000 rpm / 6000 rpm / 6000 rpm, 393.0 N·m / 289.9 lb·ft / 289.9 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 from2007
ModelImpreza WRX STIIssued until
SerieImprezaNumber made
Model familyBody construction
Model codeBody designation
ManufacturerFuji Heavy Industries Co. Ltd.CountryJP

Bodywork

Base platformNumber of doors5
Bodywork typehatchback (liftback) sedanNumber of seats5
Bodywork designerCargo capacity (volume)
Passenger space (volume)Max. cargo capacity (volume)

Dimensions & Weight

Length4415 mm / 173.8 in / 173.8 inTotal (curb) weight1540 kg / 3395 lb / 3395 lb
Width1796 mm / 70.7 in / 70.7 inDry weight
Height1476 mm / 58.1 in / 58.1 inLoad capacity
Wheelbase2620 mm / 103.1 in / 103.1 inGross (max.) weight
Track front1529 mm / 60.2 in / 60.2 inTowing weight
Track rear1539 mm / 60.6 in / 60.6 inWeight distribution (front)
Ground clearance155 mm / 6.1 in / 6.1 inFuel capacity64 l / 14.1 UK gal / 16.9 US gal
Length/wheelbase ratio1.69  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.25 m2 / 24.3 sq ft / 24.3 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 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 bearings5Unitary 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
SumpwetMax. output power227.4 kW / 304.9 hp / 304.9 hp at 6000 rpm / 6000 rpm / 6000 rpm
AspirationturbochargedMax. torque393.0 N·m / 289.9 lb·ft / 289.9 lb·ft at 4000 rpm / 4000 rpm / 4000 rpm
Compressor typeMaximum rpm
IntercooleryesMax. net output (power at the wheels)91.0 kW / 122.0 hp / 122.0 hp (est.)
CoolantwaterSpecific output92.5 kW/l / 2.034 bhp/cu in / 2.034 bhp/cu in
Catalytic converteryesSpecific torque159.9 N·m/l / 1.40 lb·ft/cu in / 1.40 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 ratio198.1 kW/ton / 150.1 bhp/ton / 150.1 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-lock2.8Turning circle
Suspension frontIndependent, MacPherson strut, Coil springs, Anti-roll (anti-sway) bar (ARB)Suspension rearIndependent, Double wishbones, Anti-roll (anti-sway) bar (ARB)
Wheels front8.5JJ x 18Wheels rear8.5JJ x 18
Tyres frontDunlop SP Sport 600 245/40 R 18 93WTyres rearDunlop SP Sport 600 245/40 R 18 93W
Brakes frontventilated discBrakes rearventilated disc
Brake diameter front330 mm / 13.0 in / 13.0 inBrake diameter rear320 mm / 12.6 in / 12.6 in
Brakes detailsservo-assisted, ABS (anti-lock braking system)Braked area

Technical specifications and performance data of Subaru Impreza WRX STI

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