The Porsche 911 Speedster is a rear wheel drive vehicle, with its motor placed in the rear, and a 2 door roadster body.
It is part of Porsche's 991.II range of cars.
Its 6 cylinder, double overhead camshaft naturally aspirated engine has 4 valves per cylinder and a displacement of 4 litres. For this model it musters power and torque figures of 503 bhp (510 PS/375 kW) at 8400 rpm and 470 Nm (347 lbft/47.9 kgm) at 6250 rpm respectively.
This power is delivered to the wheels by means of a 6 speed manual gearbox.
Stated weight at the kerb is 1465 kg.
The Porsche 911 Speedster is claimed to manage a maxiumum speed of 310 km/h (193 mph), stated fuel consumption figures are 20.6/9.9/13.8 l/100km urban/extra-urban/combined, and carbon dioxide emissions are 317.0 g/km.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2 seater roadster | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2457 | 96.7 | |
| Voies AV | 1551 | 61.1 | |
| Voies AR | 1555 | 61.2 | |
| Longueur | 4562 | 179.6 | |
| Largeur | 1852 | 72.9 | |
| Hauteur | 1250 | 49.2 | |
| Garde au sol | |||
| 1.86 | |||
| Poids avec pleins | 1465 kg | 3230 | |
| Répartition poids AV | |||
| Réservoir à essence | 64 litres | 14.1 [16.9] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | 0.347 | ||
| maître-couple | 2.01 m² | ||
| SCx | 0.70 | ||
| naturally aspirated petrol | |||
| Constructeur du moteur | Porsche | ||
| Type moteur | |||
| Cylinders | Flat 6 | ||
| Cylindrée | 4 litre 3996 cc (243.851 cu in) |
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| Alésage × Course | 102 × 81.5 mm
4.02 × 3.21 in |
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| Rapport alésage / course | 1.25 | ||
| Distribution | double overhead camshaft (DOHC)
4 Soupapes par cylindre 24 Total vannes |
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| Puissance maximale | 510 PS (503 bhp) (375 kW) à 8400 tr/mn |
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| Couple maximale | 470 Nm (347 ft·lb) (47.9 kgm) à 6250 tr/mn |
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| Specific output | 93.9 kW/litre 127.6 ps/litre 125.9 bhp/litre 2.06 bhp/cu in |
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117.62 Nm/litre
1.42 ft·lb/cu3 |
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| Construction | |||
| Lubrification | |||
| Taux de compression | 13.3:1 | ||
| Carburant | direct petrol injection | ||
| bmep (brake mean effective pressure) | 1478 kPa (214.4 psi) | ||
| Régime maximal | 9000 tr/mn | ||
| Nombre de paliers de vilebrequin | |||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 666 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalyseur | Y | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | 3.8 s | ||
| 0-100km/h | 4 s | ||
| 0-160km/h | 8 s | ||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | 310 km/h (193 mph) | ||
| Power-to-weight ratio | Higher is better 348.12 PS/tonne (1000 kg) 0.35 PS/kg 256.03 kW/tonne (1000 kg) 0.26 kW/kg 343.34 bhp/tonne (1000 kg) 0.34 bhp/kg 0.15 bhp/lb |
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| Weight-to-power ratio | Lower is better 3.91 kg/kW 6.52 lb/bhp |
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| Consommation | |||
| Consommation | 20.6/9.9/13.8 l/100km urban/extra-urban/combined | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 20.6/9.9/13.8 l/100km urban/extra-urban/combined | ||
| km/litre | 4.9/10.1/7.2 km/l urban/extra-urban/combined | ||
| UK MPG | 13.7/28.5/20.5 UK MPG urban/extra-urban/combined | ||
| US MPG | 11.4/23.8/17.0 US MPG urban/extra-urban/combined | ||
| Emissions de CO₂ | 317.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | M | ||
| CO2 Effizienz (DE) | G | ||
| Châssis | |||
| Emplacement de moteur | rear | ||
| Engine layout | longitudinal | ||
| Traction | rear wheel drive | ||
| Répartition du couple | N/A | ||
| Direction | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Suspension AV | |||
| Suspension AR | |||
| Roues AV | 9J x 20 ET55 | ||
| Roues AR | 12J x 20 ET47 | ||
| Pneumatiques AV | 245/35 ZR 20 | ||
| Pneumatiques AR | 305/30 ZR 20 | ||
| Freins AV/AR | VeDi/VeDi-S-ABS | ||
| Diamètre des freins AV | 410 mm | ||
| Diamètre des freins AR | 390 mm | ||
| Braked area | |||
| Transmission | 6 speed manual | ||
| Rapport de démultiplication supérieure | 0.88 | ||
| Rapport de pont | 3.76 | ||
| Généralités | |||
| Carfolio.com ID | 595749 | ||
| Production total | 1948 | ||
| Type mines | |||
| 991.II | |||
| RAC rating | 38.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2019 Porsche 911 Speedster added 2019-06-27. Last modified 2020-03-16. |
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