Pontiac Grand Prix Hardtop Coupé is a car that has a 2 door coupé body style with a front mounted engine driving through the rear wheels.
Its engine is a naturally aspirated petrol, 5 litre, overhead valve 90 degree V 8 cylinder with 2 valves per cylinder. This unit develops 153 bhp (155 PS/114 kW) of power at 4000 rpm, and maximum torque of 304 N·m (224 lb·ft/31 kgm) at 2400 rpm.
The engine delivers its power through to the wheels by means of a 3 speed automatic gearbox.
The quoted kerb weight is 1446 kg.
The Pontiac Grand Prix Hardtop Coupé is said to be able to achieve a top speed of 180 km/h (112 mph).
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2746 mm | 108.1 inches | |
| Track/tread (front) | 1486 mm | 58.5 inches | |
| Track/tread (rear) | 1468 mm | 57.8 inches | |
| Length | 5116 mm | 201.4 inches | |
| Width | 1847 mm | 72.7 inches | |
| Height | 1354 mm | 53.3 inches | |
| Ground clearance | 135 mm | 5.3 inches | |
| length:wheelbase ratio | 1.86 | ||
| Kerb weight | 1446 kg | 3188 lb | |
| Weight distribution | |||
| fuel tank capacity | 69 litres | 15.2 [18.2] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | GM | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 5 litre 5013 cc (305.912 cu in) |
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| Bore × Stroke | 95 × 88.4 mm
3.74 × 3.48 in |
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| Bore/stroke ratio | 1.07 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (DIN) |
155 PS (153 bhp) (114 kW) at 4000 rpm |
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| maximum torque (DIN) |
304 Nm (224 ft·lb) (31 kgm) at 2400 rpm |
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| Specific output (DIN) |
22.8 kW/litre 30.9 ps/litre 30.5 bhp/litre 0.5 bhp/cu in |
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| Specific torque (DIN) |
60.64 Nm/litre
0.73 ft·lb/cu3 |
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| Engine construction | cast iron block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 8.4:1 | ||
| Fuel system | 1 Ro M4MC carb | ||
| bmep (brake mean effective pressure) | 762.1 kPa (110.5 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 626.63 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | Y | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 180 km/h (112 mph) | ||
| Power-to-weight ratio | Higher is better 107.28 PS/tonne (1000 kg) 0.11 PS/kg 78.9 kW/tonne (1000 kg) 0.08 kW/kg 105.81 bhp/tonne (1000 kg) 0.11 bhp/kg 0.05 bhp/lb |
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| Weight-to-power ratio | Lower is better 12.67 kg/kW 21.17 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 | 3.300 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 6 x 14 | ||
| Wheel size rear | 6 x 14 | ||
| Tyres front | P195/75 R 14 | ||
| Tyres rear | P195/75 R 14 | ||
| Brakes F/R | VeDi/Dr-S | ||
| Front brake diameter | 267 mm | ||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 2.29 | ||
| general | |||
| Carfolio.com ID | 124256 | ||
| Production total | |||
| Model code | |||
| RAC rating | 44.8 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1979 Pontiac Grand Prix Hardtop Coupé added 2004-12-20. Last modified 2013-03-04. |
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