The WRX STI is an automobile from Subaru, with all wheel drive, a front located engine and a 5 door hatchback body style.
Its 2.5 litre engine is a turbocharged, double overhead camshaft, 4 cylinder unit that develops 296 bhp (300 PS/221 kW) of power at 6000 rpm, and maximum torque of 407 N·m (300 lb·ft/41.5 kgm) at 3400 rpm.
The engine delivers its power through to the wheels via a 6 speed manual gearbox.
Claimed weight at the kerb is 1505 kg.
Top stated speed is 250 km/h, which equates to 155 mph, and carbon dioxide emissions are 243.0 g/km.
Full specs
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Applicable to the British domestic market(s). | ||
| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater hatchback | ||
| Number of doors | 5 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2625 mm | 103.3 inches | |
| Track/tread (front) | 1530 mm | 60.2 inches | |
| Track/tread (rear) | 1540 mm | 60.6 inches | |
| Length | 4415 mm | 173.8 inches | |
| Width | 1795 mm | 70.7 inches | |
| Height | 1470 mm | 57.9 inches | |
| Ground clearance | 150 mm | 5.9 inches | |
| length:wheelbase ratio | 1.68 | ||
| Kerb weight | 1505 kg | 3318 lb | |
| Weight distribution | 58% front | ||
| fuel tank capacity | 60 litres | 13.2 [15.9] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.36 | ||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | turbocharged petrol | ||
| Engine manufacturer | Subaru | ||
| Engine code | |||
| Cylinders | Flat 4 | ||
| Capacity | 2.5 litre 2457 cc (149.935 cu in) |
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| Bore × Stroke | 99.5 × 79 mm
3.92 × 3.11 in |
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| Bore/stroke ratio | 1.26 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 16 valves in total |
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| maximum power output | 300 PS (296 bhp) (221 kW) at 6000 rpm |
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| maximum torque | 407 Nm (300 ft·lb) (41.5 kgm) at 3400 rpm |
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| Specific output | 89.8 kW/litre 122.1 ps/litre 120.5 bhp/litre 1.97 bhp/cu in |
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| Specific torque |
165.65 Nm/litre
2 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 8.2:1 | ||
| Fuel system | SMPFi | ||
| bmep (brake mean effective pressure) | 2081.6 kPa (301.9 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 614.25 cc | ||
| Aspiration | Turbo | ||
| Compressor | |||
| Intercooler | Y | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | 5.2 s | ||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 250 km/h (155 mph) | ||
| Power-to-weight ratio | Higher is better 199.41 PS/tonne (1000 kg) 0.2 PS/kg 146.66 kW/tonne (1000 kg) 0.15 kW/kg 196.68 bhp/tonne (1000 kg) 0.2 bhp/kg 0.09 bhp/lb |
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| Weight-to-power ratio | Lower is better 6.82 kg/kW 11.39 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 | 243.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | L | ||
| CO2 Effizienz (DE) | G | ||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | all wheel drive | ||
| Torque split | |||
| Steering | |||
| turns lock-to-lock | 2.800 | ||
| Turning circle | |||
| Front suspension | I.MS.CS.ARB. | ||
| Rear suspension | I.MultiLi.DW.CS.ARB. | ||
| Wheel size front | 8½J x 18 | ||
| Wheel size rear | 8½J x 18 | ||
| Tyres front | 245/40 R 18 | ||
| Tyres rear | 245/40 R 18 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 326 mm | ||
| Rear brake diameter | 316 mm | ||
| Braked area | |||
| Gearbox | 6 speed manual | ||
| Top gear ratio | 0.71 | ||
| Final drive ratio | 3.90 | ||
| general | |||
| Carfolio.com ID | 238766 | ||
| Production total | |||
| Model code | |||
| RAC rating | 24.6 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2010 Subaru WRX STI (2011) added 2011-04-06. Last modified 2020-02-02. |
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