The Grand Prix is a front wheel drive coupé road car with a front located engine, manufactured by Pontiac.
The power is produced by a naturally aspirated engine of 2.8 litre capacity. This unit features overhead valve valve gear, a 60 degree V 6 cylinder layout, and 2 valves per cylinder. It has an output of 130 bhp (132 PS/97 kW) of power at 4500 rpm, and maximum torque of 230 N·m (170 lb·ft/23.5 kgm) at 3600 rpm.
The engine drives the wheels via a 4 speed automatic transmission.
The stated weight at the kerb is 1405 kg.
Full specs
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| bodywork | |||
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| Body type | 2+2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2730 mm | 107.5 inches | |
| Track/tread (front) | 1510 mm | 59.4 inches | |
| Track/tread (rear) | 1470 mm | 57.9 inches | |
| Length | 4925 mm | 193.9 inches | |
| Width | 1825 mm | 71.9 inches | |
| Height | 1340 mm | 52.8 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.8 | ||
| Kerb weight | 1405 kg | 3097 lb | |
| Weight distribution | |||
| fuel tank capacity | 64.5 litres | 14.2 [17] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | GM | ||
| Engine code | LB6 | ||
| Cylinders | V 6 in 60° vee | ||
| Capacity | 2.8 litre 2838 cc (173.185 cu in) |
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| Bore × Stroke | 88.9 × 76.2 mm
3.5 × 3 in |
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| Bore/stroke ratio | 1.17 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 12 valves in total |
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| maximum power output | 132 PS (130 bhp) (97 kW) at 4500 rpm |
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| maximum torque | 230 Nm (170 ft·lb) (23.5 kgm) at 3600 rpm |
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| Specific output | 34.2 kW/litre 46.4 ps/litre 45.8 bhp/litre 0.75 bhp/cu in |
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| Specific torque |
81.04 Nm/litre
0.98 ft·lb/cu3 |
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| Engine construction | cast iron block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 8.8:1 | ||
| Fuel system | Rochester electronic fuel injection | ||
| bmep (brake mean effective pressure) | 1018.4 kPa (147.7 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 4 | ||
| Engine coolant | Water | ||
| Unitary capacity | 473 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 | |||
| Power-to-weight ratio | Higher is better 93.81 PS/tonne (1000 kg) 0.09 PS/kg 69 kW/tonne (1000 kg) 0.07 kW/kg 92.53 bhp/tonne (1000 kg) 0.09 bhp/kg 0.04 bhp/lb |
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| Weight-to-power ratio | Lower is better 14.49 kg/kW 24.21 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 | transverse | ||
| Drive wheels | front wheel drive | ||
| Torque split | N/A | ||
| Steering | power assisted rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 5½ x 14 | ||
| Wheel size rear | 5½ x 14 | ||
| Tyres front | 195/75 R 14 | ||
| Tyres rear | 195/75 R 14 | ||
| Brakes F/R | VeDi/Di-S | ||
| Front brake diameter | 267 mm | ||
| Rear brake diameter | 256 mm | ||
| Braked area | |||
| Gearbox | 4 speed automatic | ||
| Top gear ratio | 0.7 | ||
| Final drive ratio | 2.33 | ||
| general | |||
| Carfolio.com ID | 462220 | ||
| Production total | |||
| Model code | |||
| RAC rating | 29.4 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1989 Pontiac Grand Prix Automatic added 2016-03-21. Last modified 2020-03-16. |
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