The Impreza WRX STI is an all wheel drive hatchback motor vehicle with a front placed engine, from Subaru.
Its 4 cylinder, double overhead camshaft turbocharged engine has 4 valves per cylinder and a volume of 2.5 litres. It produces power and torque figures of 305 bhp (309 PS/227 kW) at 6000 rpm and 393 Nm (290 lbft/40.1 kgm) at 4000 rpm respectively.
A 6 speed manual gearbox transfers the power to the wheels.
Its quoted kerb weight is 1540 kg.
Full specs
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Applicable to the USA domestic market(s). | ||
| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 4/5 seater hatchback | ||
| Nombre de portes | 5 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2620 | 103.1 | |
| Voies AV | 1529 | 60.2 | |
| Voies AR | 1539 | 60.6 | |
| Longueur | 4415 | 173.8 | |
| Largeur | 1796 | 70.7 | |
| Hauteur | 1476 | 58.1 | |
| Garde au sol | 155 | 6.1 | |
| 1.69 | |||
| Poids avec pleins | 1540 kg | 3395 | |
| Répartition poids AV | |||
| Réservoir à essence | 64 litres | 14.1 [16.9] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| turbocharged petrol | |||
| Constructeur du moteur | Subaru | ||
| Type moteur | |||
| Cylinders | Flat 4 | ||
| Cylindrée | 2.5 litre 2457 cc (149.935 cu in) |
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| Alésage × Course | 99.5 × 79 mm
3.92 × 3.11 in |
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| Rapport alésage / course | 1.26 | ||
| Distribution | double overhead camshaft (DOHC)
4 Soupapes par cylindre 16 Total vannes |
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| Puissance maximale | 309 PS (305 bhp) (227 kW) à 6000 tr/mn |
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| Couple maximale | 393 Nm (290 ft·lb) (40.1 kgm) à 4000 tr/mn |
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| Specific output | 92.6 kW/litre 125.9 ps/litre 124.1 bhp/litre 2.03 bhp/cu in |
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159.95 Nm/litre
1.93 ft·lb/cu3 |
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| Construction | aluminium block & head | ||
| Lubrification | Carter humide | ||
| Taux de compression | 8.2:1 | ||
| Carburant | SMPFI | ||
| bmep (brake mean effective pressure) | 2010 kPa (291.5 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | 5 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 614.25 cc | ||
| Aspiration | Turbo | ||
| Compressor | |||
| Intercooler | Y | ||
| Catalyseur | Y | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | |||
| Power-to-weight ratio | Higher is better 200.8 PS/tonne (1000 kg) 0.2 PS/kg 147.69 kW/tonne (1000 kg) 0.15 kW/kg 198.05 bhp/tonne (1000 kg) 0.2 bhp/kg 0.09 bhp/lb |
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| Weight-to-power ratio | Lower is better 6.77 kg/kW 11.31 lb/bhp |
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| Consommation | |||
| Consommation | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Emissions de CO₂ | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Châssis | |||
| Emplacement de moteur | front | ||
| Engine layout | longitudinal | ||
| Traction | all wheel drive | ||
| Répartition du couple | |||
| Direction | |||
| turns lock-to-lock | 2.800 | ||
| Turning circle | |||
| Suspension AV | I.MS.CS.ARB. | ||
| Suspension AR | I.DW.ARB. | ||
| Roues AV | 8½JJ x 18 | ||
| Roues AR | 8½JJ x 18 | ||
| Pneumatiques AV | Dunlop SP Sport 600 245/40 R 18 93W | ||
| Pneumatiques AR | Dunlop SP Sport 600 245/40 R 18 93W | ||
| Freins AV/AR | VeDi/VeDi-S-ABS | ||
| Diamètre des freins AV | 330 mm | ||
| Diamètre des freins AR | 320 mm | ||
| Braked area | |||
| Transmission | 6 speed manual | ||
| Rapport de démultiplication supérieure | 0.76 | ||
| Rapport de pont | 3.90 | ||
| Généralités | |||
| Carfolio.com ID | 181236 | ||
| Production total | |||
| Type mines | |||
| RAC rating | 24.6 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2007 Subaru Impreza WRX STI (2008) added 2008-07-20. Last modified 2013-02-28. |
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