This car has a 2 door coupé body style with a mid located engine powering the rear wheels.
The Porsche Cayman GT4 belongs to the 981 range of cars from Porsche.
The 6 cylinder, double overhead camshaft naturally aspirated engine has 4 valves per cylinder and a displacement of 3.8 litres. In this application it musters power and torque figures of 380 bhp (385 PS/283 kW) at 7400 rpm and 420 Nm (310 lbft/42.8 kgm) at 4750-6000 rpm respectively.
The engine supplies its power through to the wheels via a 6 speed manual gearbox.
It weighs a claimed 1415 kg at the kerb.
Maximum speed claimed is 295 km/h, which is 183 mph, officially stated fuel consumption figures are 14.8/7.8/10.3 l/100km urban/extra-urban/combined Euro 6, and carbon dioxide emissions are 238.0 g/km.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2 seater fixed-head coupé | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2484 | 97.8 | |
| Voies AV | 1539 | 60.6 | |
| Voies AR | 1533 | 60.4 | |
| Longueur | 4438 | 174.7 | |
| Largeur | 1817 | 71.5 | |
| Hauteur | 1266 | 49.8 | |
| Garde au sol | |||
| 1.79 | |||
| Poids avec pleins | 1415 kg | 3120 | |
| Répartition poids AV | |||
| Réservoir à essence | 54 litres | 11.9 [14.3] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | 0.32 | ||
| maître-couple | 2.00 m² | ||
| SCx | 0.64 | ||
| naturally aspirated petrol | |||
| Constructeur du moteur | Porsche | ||
| Type moteur | |||
| Cylinders | Flat 6 | ||
| Cylindrée | 3.8 litre 3800 cc (231.89 cu in) |
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| Alésage × Course | 102 × 77.5 mm
4.02 × 3.05 in |
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| Rapport alésage / course | 1.32 | ||
| Distribution | double overhead camshaft (DOHC)
4 Soupapes par cylindre 24 Total vannes |
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| Puissance maximale | 385 PS (380 bhp) (283 kW) à 7400 tr/mn |
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| Couple maximale | 420 Nm (310 ft·lb) (42.8 kgm) à 4750-6000 tr/mn |
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| Specific output | 74.6 kW/litre 101.4 ps/litre 100 bhp/litre 1.64 bhp/cu in |
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110.53 Nm/litre
1.34 ft·lb/cu3 |
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| Construction | aluminium block & head | ||
| Lubrification | |||
| Taux de compression | 12.5:1 | ||
| Carburant | direct petrol injection | ||
| bmep (brake mean effective pressure) | 1388.9 kPa (201.4 psi) | ||
| Régime maximal | 7800 tr/mn | ||
| Nombre de paliers de vilebrequin | |||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 633.33 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalyseur | Y | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | 4.2 s | ||
| 0-100km/h | 4.4 s | ||
| 0-160km/h | |||
| 0-400m | 12.5 s | ||
| 0-1000m | |||
| Vitesse | 295 km/h (183 mph) | ||
| Power-to-weight ratio | Higher is better 272.28 PS/tonne (1000 kg) 0.27 PS/kg 200.26 kW/tonne (1000 kg) 0.2 kW/kg 268.55 bhp/tonne (1000 kg) 0.27 bhp/kg 0.12 bhp/lb |
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| Weight-to-power ratio | Lower is better 4.99 kg/kW 8.34 lb/bhp |
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| Consommation | |||
| Consommation | 14.8/7.8/10.3 l/100km urban/extra-urban/combined Euro 6 | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 14.8/7.8/10.3 l/100km urban/extra-urban/combined | ||
| km/litre | 6.8/12.8/9.7 km/l urban/extra-urban/combined | ||
| UK MPG | 19.1/36.2/27.4 UK MPG urban/extra-urban/combined | ||
| US MPG | 15.9/30.2/22.8 US MPG urban/extra-urban/combined | ||
| Emissions de CO₂ | 238.0 g/km NEDC | ||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | L | ||
| CO2 Effizienz (DE) | G | ||
| Châssis | |||
| Emplacement de moteur | mid | ||
| 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 | 8½J x 20 ET61 | ||
| Roues AR | 11J x 20 ET50 | ||
| Pneumatiques AV | 245/35 ZR 20 | ||
| Pneumatiques AR | 295/30 ZR 20 | ||
| Freins AV/AR | VeDi/VeDi-S-ABS | ||
| Diamètre des freins AV | 380 mm | ||
| Diamètre des freins AR | 380 mm | ||
| Braked area | |||
| Transmission | 6 speed manual | ||
| Rapport de démultiplication supérieure | 0.81 | ||
| Rapport de pont | 3.89 | ||
| Généralités | |||
| Carfolio.com ID | 400037 | ||
| Production total | |||
| Type mines | |||
| 981 | |||
| RAC rating | 38.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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2015 Porsche Cayman GT4 added 2015-02-05. Last modified 2020-02-02. |
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