The Pontiac Sunbird Sport Coupé is a rear wheel drive vehicle, with its engine positioned in the front, and a 2 door coupé bodyshell.
Its 6 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a capacity of 3.8 litres. This unit develops power and torque figures of 115 bhp (117 PS/86 kW) at 3800 rpm and 257 Nm (190 lbft/26.2 kgm) at 2000 rpm respectively.
The engine drives the wheels through a 4 speed manual gearbox.
The Pontiac Sunbird Sport Coupé weighs a quoted 1250 kg at the kerb.
The Pontiac Sunbird Sport Coupé is claimed to achieve a maxiumum speed of 160 km/h, or 99 mph.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2+2 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2460 mm | 96.9 inches | |
| Track/tread (front) | 1405 mm | 55.3 inches | |
| Track/tread (rear) | 1374 mm | 54.1 inches | |
| Length | 4550 mm | 179.1 inches | |
| Width | 1660 mm | 65.4 inches | |
| Height | 1260 mm | 49.6 inches | |
| Ground clearance | 124 mm | 4.9 inches | |
| length:wheelbase ratio | 1.85 | ||
| Kerb weight | 1250 kg | 2756 lb | |
| Weight distribution | |||
| fuel tank capacity | 70 litres | 15.4 [18.5] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | GM | ||
| Engine code | |||
| Cylinders | V 6 | ||
| Capacity | 3.8 litre 3791 cc (231.341 cu in) |
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| Bore × Stroke | 96.5 × 86.4 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 (DIN) |
117 PS (115 bhp) (86 kW) at 3800 rpm |
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| maximum torque (DIN) |
257 Nm (190 ft·lb) (26.2 kgm) at 2000 rpm |
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| Specific output (DIN) |
22.6 kW/litre 30.8 ps/litre 30.3 bhp/litre 0.5 bhp/cu in |
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| Specific torque (DIN) |
67.79 Nm/litre
0.82 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 8:1 | ||
| Fuel system | 1 Ro carb | ||
| bmep (brake mean effective pressure) | 851.9 kPa (123.6 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 | 160 km/h (99 mph) | ||
| Power-to-weight ratio | Higher is better 93.28 PS/tonne (1000 kg) 0.09 PS/kg 68.6 kW/tonne (1000 kg) 0.07 kW/kg 92 bhp/tonne (1000 kg) 0.09 bhp/kg 0.04 bhp/lb |
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| Weight-to-power ratio | Lower is better 14.58 kg/kW 24.35 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 | 4.400 | ||
| Turning circle | 11.70 m | ||
| Front suspension | I.W.CS. | ||
| Rear suspension | LA.RA.TA.CS. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | |||
| Tyres rear | |||
| Brakes F/R | Di/Dr-S | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | 1707 cm2 | ||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 2.93 | ||
| general | |||
| Carfolio.com ID | 66627 | ||
| Production total | |||
| Model code | |||
| RAC rating | 34.6 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1979 Pontiac Sunbird Sport Coupé added 1996-11-10. Last modified 2013-02-28. |
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