The Impreza WRX STI is an all wheel drive saloon (sedan) motor vehicle with a front positioned engine, from Subaru.
Its 2 litre engine is a turbocharged, double overhead camshaft, 4 cylinder unit that develops 276 bhp (280 PS/206 kW) of power at 6400 rpm, and maximum torque of 422 N·m (311 lb·ft/43 kgm) at 4400 rpm.
The engine powers the wheels via a 6 speed manual 'box.
It weighs a claimed 1460 kg at the kerb.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2540 mm | 100 inches | |
| Track/tread (front) | 1490 mm | 58.7 inches | |
| Track/tread (rear) | 1495 mm | 58.9 inches | |
| Length | 4465 mm | 175.8 inches | |
| Width | 1740 mm | 68.5 inches | |
| Height | 1425 mm | 56.1 inches | |
| Ground clearance | 140 mm | 5.5 inches | |
| length:wheelbase ratio | 1.76 | ||
| Kerb weight | 1460 kg | 3219 lb | |
| Weight distribution | |||
| fuel tank capacity | 60 litres | 13.2 [15.9] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | Subaru | ||
| Engine code | EJ20 | ||
| Cylinders | Flat 4 | ||
| Capacity | 2 litre 1994 cc (121.681 cu in) |
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| Bore × Stroke | 92 × 75 mm
3.62 × 2.95 in |
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| Bore/stroke ratio | 1.23 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 16 valves in total |
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| maximum power output (JIS) |
280 PS (276 bhp) (206 kW) at 6400 rpm |
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| maximum torque (JIS) |
422 Nm (311 ft·lb) (43 kgm) at 4400 rpm |
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| Specific output (JIS) |
103.2 kW/litre 140.3 ps/litre 138.4 bhp/litre 2.27 bhp/cu in |
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| Specific torque (JIS) |
211.63 Nm/litre
2.56 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 8:1 | ||
| Fuel system | MPFi | ||
| bmep (brake mean effective pressure) | 2659.5 kPa (385.7 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 498.5 cc | ||
| Aspiration | Turbo | ||
| Compressor | |||
| Intercooler | Y | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | |||
| Power-to-weight ratio | Higher is better 191.67 PS/tonne (1000 kg) 0.19 PS/kg 140.97 kW/tonne (1000 kg) 0.14 kW/kg 189.04 bhp/tonne (1000 kg) 0.19 bhp/kg 0.08 bhp/lb |
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| Weight-to-power ratio | Lower is better 7.09 kg/kW 11.85 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | all wheel drive | ||
| Torque split | |||
| Steering | rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 8.0JJ x 17 | ||
| Wheel size rear | 8.0JJ x 17 | ||
| Tyres front | 235/45 R 17 | ||
| Tyres rear | 235/45 R 17 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 6 speed manual | ||
| Top gear ratio | 0.84 | ||
| Final drive ratio | 3.90 | ||
| general | |||
| Carfolio.com ID | 135201 | ||
| Production total | |||
| Model code | GH-GDB | ||
| RAC rating | 21.0 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2005 Subaru Impreza WRX STI added 2005-11-15. Last modified 2013-02-28. |
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