The Porsche 928 GTS is a rear wheel drive car, with the powerplant located in the front, and a 2 door coupé bodyshell.
The 8 cylinder, double overhead camshaft naturally aspirated engine has 4 valves per cylinder and a capacity of 5.4 litres. For this model it musters power and torque figures of 345 bhp (350 PS/257 kW) at 5700 rpm and 500 Nm (369 lbft/51 kgm) at 4250 rpm respectively.
This power is delivered to the wheels through a 5 speed manual transmission.
Stated weight at the kerb is 1600 kg.
It is said to be able to manage a top speed of 270 km/h which is 168 mph.
Full specs
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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) | 1552 mm | 61.1 inches | |
| Track/tread (rear) | 1545 mm | 60.8 inches | |
| Length | 4447 mm | 175.1 inches | |
| Width | 1850 mm | 72.8 inches | |
| Height | 1282 mm | 50.5 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.78 | ||
| Kerb weight | 1600 kg | 3527 lb | |
| Weight distribution | 52% front | ||
| fuel tank capacity | 86 litres | 18.9 [22.7] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | 0.35 | ||
| Frontal area | 2.02 m² | ||
| CdA | 0.71 | ||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Porsche | ||
| Engine code | M 28/49 | ||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 5.4 litre 5397 cc (329.345 cu in) |
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| Bore × Stroke | 100 × 85.9 mm
3.94 × 3.38 in |
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| Bore/stroke ratio | 1.16 | ||
| Valve gear | double overhead camshaft (DOHC)
4 valves per cylinder 32 valves in total |
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| maximum power output (CEE) |
350 PS (345 bhp) (257 kW) at 5700 rpm |
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| maximum torque (CEE) |
500 Nm (369 ft·lb) (51 kgm) at 4250 rpm |
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| Specific output (CEE) |
47.7 kW/litre 64.8 ps/litre 63.9 bhp/litre 1.05 bhp/cu in |
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| Specific torque (CEE) |
92.64 Nm/litre
1.12 ft·lb/cu3 |
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| Engine construction | alloy head and block | ||
| Lubrication | |||
| compression ratio | 10.4:1 | ||
| Fuel system | Bosch LH-Jetronic fuel injection | ||
| bmep (brake mean effective pressure) | 1164.2 kPa (168.9 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 674.63 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | 4.1 s | ||
| Acceleration 0-60mph | 5.4 s | ||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | 14.3 s | ||
| Standing quarter-mile | 14.1 s
@ 100 mph |
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| Standing kilometre | 25.7 s
@ 204 km/h |
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| Maximum speed | 270 km/h (168 mph) | ||
| Power-to-weight ratio | Higher is better 218.62 PS/tonne (1000 kg) 0.22 PS/kg 160.79 kW/tonne (1000 kg) 0.16 kW/kg 215.63 bhp/tonne (1000 kg) 0.22 bhp/kg 0.1 bhp/lb |
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| Weight-to-power ratio | Lower is better 6.22 kg/kW 10.39 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| 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 | |||
| turns lock-to-lock | 3.000 | ||
| Turning circle | 11.30 m | ||
| Front suspension | I.DW.CS.ARB. | ||
| Rear suspension | I.UTrLi.LSTA.WeissA.ARB. | ||
| Wheel size front | 7½J x 17 | ||
| Wheel size rear | 9J x 17 | ||
| Tyres front | 225/45 ZR 17 | ||
| Tyres rear | 255/40 ZR 17 | ||
| Brakes F/R | VeDi/VeDi-S-ABS | ||
| Front brake diameter | 322 mm | ||
| Rear brake diameter | 299 mm | ||
| Braked area | |||
| Gearbox | 5 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 2.73 | ||
| general | |||
| Carfolio.com ID | 47421 | ||
| Production total | |||
| Model code | |||
| RAC rating | 49.6 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1991 Porsche 928 GTS added before December 1995. Last modified 2013-02-28. |
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