Full specs1985 Porsche 928 S specifications
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| bodywork | |||
|---|---|---|---|
| Body type | 2+2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2500 mm | 98.4 inches | |
| Track/tread (front) | 1549 mm | 61 inches | |
| Track/tread (rear) | 1521 mm | 59.9 inches | |
| Length | 4447 mm | 175.1 inches | |
| Width | 1836 mm | 72.3 inches | |
| Height | 1282 mm | 50.5 inches | |
| Ground clearance | 120 mm | 4.7 inches | |
| length:wheelbase ratio | 1.78 | ||
| Kerb weight | 1530 kg | 3373 lb | |
| Weight distribution | 50% front | ||
| fuel tank capacity | 86 litres | 18.9 [22.7] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.38 | ||
| Frontal area | 1.95 m² | ||
| CdA | 0.74 | ||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Porsche | ||
| Engine code | M 28/21 | ||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 4.7 litre 4664 cc (284.615 cu in) |
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| Bore × Stroke | 97 × 78.9 mm
3.82 × 3.11 in |
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| Bore/stroke ratio | 1.23 | ||
| Valve gear | single overhead camshaft (SOHC)
2 valves per cylinder 16 valves in total |
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| maximum power output (DIN) |
310 PS (306 bhp) (228 kW) at 5900 rpm |
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| maximum torque (DIN) |
400 Nm (295 ft·lb) (40.8 kgm) at 4500 rpm |
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| Specific output (DIN) |
48.9 kW/litre 66.5 ps/litre 65.6 bhp/litre 1.08 bhp/cu in |
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| Specific torque (DIN) |
85.76 Nm/litre
1.04 ft·lb/cu3 |
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| Engine construction | light alloy block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 10.4:1 | ||
| Fuel system | Bosch LH-Jetronic fuel injection | ||
| bmep (brake mean effective pressure) | 1077.7 kPa (156.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 583 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | 4.5 s | ||
| Acceleration 0-60mph | 6.2 s | ||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 255 km/h (158 mph) | ||
| Power-to-weight ratio | Higher is better 202.78 PS/tonne (1000 kg) 0.2 PS/kg 149.14 kW/tonne (1000 kg) 0.15 kW/kg 200 bhp/tonne (1000 kg) 0.2 bhp/kg 0.09 bhp/lb |
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| Weight-to-power ratio | Lower is better 6.71 kg/kW 11.2 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | 8.7/10.2/19.1 l/100km 90 km/h / 120 km/h / urban per ECE 80/1268 | ||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | 8.7/10.2/19.1 l/100km 90kmph/120kmph/urban | ||
| km/litre | 11.5/9.8/5.2 km/l 90kmph/120kmph/urban | ||
| UK MPG | 32.5/27.7/14.8 UK MPG 90kmph/120kmph/urban | ||
| US MPG | 27.0/23.1/12.3 US MPG 90kmph/120kmph/urban | ||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | 3.100 | ||
| Turning circle | 11.50 m | ||
| Front suspension | I.MS.W.CS.ARB. | ||
| Rear suspension | I.WA.W.STA.TB.CS. | ||
| Wheel size front | 7J x 16 | ||
| Wheel size rear | 7J x 16 | ||
| Tyres front | 225/50 VR 16 | ||
| Tyres rear | 225/50 VR 16 | ||
| Brakes F/R | VeDi/VeDi | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 5 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 2.73 | ||
| general | |||
| Carfolio.com ID | 46816 | ||
| Production total | |||
| Model code | |||
| RAC rating | 46.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1985 Porsche 928 S added before December 1995. Last modified 2025-03-30. |
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Porsche 928 models
2 door fixed-head coupé FR 4A 5397 cm3/329.3cuin 350 PS 345 bhp 257 kW 1640 kg
2 door fixed-head coupé FR 5M 4957 cm3/302.5cuin 320 PS 316 bhp 236 kW 1450 kg
2 door fixed-head coupé FR 4A 4957 cm3/302.5cuin 320 PS 316 bhp 236 kW
2 door fixed-head coupé FR 5M 4957 cm3/302.5cuin 288 PS 284 bhp 212 kW 1530 kg
2 door fixed-head coupé FR 4A 4957 cm3/302.5cuin 288 PS 284 bhp 212 kW 1550 kg
2 door fixed-head coupé FR 4A 4664 cm3/284.6cuin 310 PS 306 bhp 228 kW 1550 kg
2 door fixed-head coupé FR 5M 4474 cm3/273.0cuin 240 PS 237 bhp 177 kW
2 door fixed-head coupé FR 3A 4474 cm3/273.0cuin 240 PS 237 bhp 177 kW
2 door fixed-head coupé FR 3A 4474 cm3/273.0cuin 240 PS 237 bhp 177 kW
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