The Porsche 928 S is a coupé with 2 doors and a front mounted powerplant which delivers its power to the rear wheels.
Its 8 cylinder, double overhead camshaft naturally aspirated engine has 4 valves per cylinder and a capacity of 5 litres. It musters power and torque figures of 284 bhp (288 PS/212 kW) at 5750 rpm and 400 Nm (295 lbft/40.8 kgm) at 2700 rpm respectively.
A 4 speed automatic transmission transmits the power to the driven wheels.
The Porsche 928 S weighs a stated 1550 kg at the kerb.
Its maximum speed quoted is 247 km/h (153 mph).
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2+2 seater fixed-head coupé | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2500 | 98.4 | |
| Voies AV | 1549 | 61 | |
| Voies AR | 1521 | 59.9 | |
| Longueur | 4447 | 175.1 | |
| Largeur | 1836 | 72.3 | |
| Hauteur | 1282 | 50.5 | |
| Garde au sol | 120 | 4.7 | |
| 1.78 | |||
| Poids avec pleins | 1550 kg | 3417 | |
| Répartition poids AV | |||
| Réservoir à essence | 86 litres | 18.9 [22.7] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | 0.38 | ||
| maître-couple | 1.95 m² | ||
| SCx | 0.74 | ||
| naturally aspirated petrol | |||
| Constructeur du moteur | Porsche | ||
| Type moteur | M 28/45 | ||
| Cylinders | V 8 in 90° vee | ||
| Cylindrée | 5 litre 4957 cc (302.495 cu in) |
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| Alésage × Course | 100 × 78.9 mm
3.94 × 3.11 in |
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| Rapport alésage / course | 1.27 | ||
| Distribution | double overhead camshaft (DOHC)
4 Soupapes par cylindre 32 Total vannes |
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| Puissance maximale (DIN) |
288 PS (284 bhp) (212 kW) à 5750 tr/mn |
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| Couple maximale (DIN) |
400 Nm (295 ft·lb) (40.8 kgm) à 2700 tr/mn |
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| Specific output (DIN) |
42.7 kW/litre 58.1 ps/litre 57.3 bhp/litre 0.94 bhp/cu in |
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(DIN) |
80.69 Nm/litre
0.98 ft·lb/cu3 |
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| Construction | light alloy block & head | ||
| Lubrification | Carter humide | ||
| Taux de compression | 9.3:1 | ||
| Carburant | Bosch LH-Jetronic fuel injection | ||
| bmep (brake mean effective pressure) | 1014 kPa (147.1 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | 5 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 619.63 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalyseur | Y | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | 6.7 s | ||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | 247 km/h (153 mph) | ||
| Power-to-weight ratio | Higher is better 185.77 PS/tonne (1000 kg) 0.19 PS/kg 136.63 kW/tonne (1000 kg) 0.14 kW/kg 183.23 bhp/tonne (1000 kg) 0.18 bhp/kg 0.08 bhp/lb |
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| Weight-to-power ratio | Lower is better 7.32 kg/kW 12.23 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 | rear wheel drive | ||
| Répartition du couple | N/A | ||
| Direction | |||
| turns lock-to-lock | 3.100 | ||
| Turning circle | |||
| Suspension AV | I.MS.W.CS.ARB. | ||
| Suspension AR | I.WA.W.STA.TB.CS. | ||
| Roues AV | 7J x 16 | ||
| Roues AR | 7J x 16 | ||
| Pneumatiques AV | 225/50 VR 16 | ||
| Pneumatiques AR | 225/50 VR 16 | ||
| Freins AV/AR | VeDi/VeDi | ||
| Diamètre des freins AV | |||
| Diamètre des freins AR | |||
| Braked area | |||
| Transmission | 4 speed automatic | ||
| Rapport de démultiplication supérieure | 1 | ||
| Rapport de pont | 2.54 | ||
| Généralités | |||
| Carfolio.com ID | 323884 | ||
| Production total | |||
| Type mines | |||
| RAC rating | 49.6 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1985 Porsche 928 S Automatic added 2013-03-21. Last modified 2025-03-30. |
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