The Le Mans Hardtop is a car from Pontiac, with rear wheel drive, a front positioned engine and a 4 door saloon (sedan) body style.
It is powered by a naturally aspirated engine of 3.8 litre capacity. This powerplant features overhead valve valve gear, a 90 degree V 6 cylinder layout, and 2 valves per cylinder. It develops 105 bhp (106 PS/78 kW) of power at 3200 rpm, and maximum torque of 251 N·m (185 lb·ft/25.6 kgm) at 2000 rpm.
A 3 speed manual gearbox transmits the power to the driven wheels.
Quoted kerb weight is 1658 kg.
Full specs
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Applicable to the Californian, USA domestic market(s). | ||
| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2946 mm | 116 inches | |
| Track/tread (front) | 1565 mm | 61.6 inches | |
| Track/tread (rear) | 1552 mm | 61.1 inches | |
| Length | 5385 mm | 212 inches | |
| Width | 1966 mm | 77.4 inches | |
| Height | 1359 mm | 53.5 inches | |
| Ground clearance | 124 mm | 4.9 inches | |
| length:wheelbase ratio | 1.83 | ||
| Kerb weight | 1658 kg | 3655 lb | |
| Weight distribution | |||
| fuel tank capacity | 82.6 litres | 18.2 [21.8] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | GM | ||
| Engine code | |||
| Cylinders | V 6 in 90° vee | ||
| Capacity | 3.8 litre 3791 cc (231.341 cu in) |
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| Bore × Stroke | 96.52 × 86.36 mm
3.8 × 3.4 in |
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| Bore/stroke ratio | 1.12 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 12 valves in total |
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| maximum power output (net) |
106 PS (105 bhp) (78 kW) at 3200 rpm |
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| maximum torque (net) |
251 Nm (185 ft·lb) (25.6 kgm) at 2000 rpm |
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| Specific output (net) |
20.7 kW/litre 28.1 ps/litre 27.7 bhp/litre 0.45 bhp/cu in |
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| Specific torque (net) |
66.21 Nm/litre
0.8 ft·lb/cu3 |
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| Engine construction | cast iron block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 8:1 | ||
| Fuel system | 1 Rochester 17057445 carburettor | ||
| bmep (brake mean effective pressure) | 832 kPa (120.7 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 4 | ||
| Engine coolant | Water | ||
| Unitary capacity | 631.83 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 64.21 PS/tonne (1000 kg) 0.06 PS/kg 47.22 kW/tonne (1000 kg) 0.05 kW/kg 63.33 bhp/tonne (1000 kg) 0.06 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 21.18 kg/kW 35.37 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 | 5.600 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 7 x 15 | ||
| Wheel size rear | 7 x 15 | ||
| Tyres front | FR78 x 15 | ||
| Tyres rear | FR78 x 15 | ||
| Brakes F/R | VeDi/Dr | ||
| Front brake diameter | 279 mm | ||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.23 | ||
| general | |||
| Carfolio.com ID | 342771 | ||
| Production total | |||
| Model code | |||
| RAC rating | 34.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1977 Pontiac Le Mans Hardtop added 2013-07-06. Last modified 2020-02-02. |
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