The Buick 80 Roadmaster is a rear wheel drive vehicle, with its motor placed in the front, and a saloon (sedan) bodyshell.
It is powered by a naturally aspirated engine of 5.2 litre capacity. This powerplant features overhead valve valve gear, 8 cylinder layout, and 2 valves per cylinder. It has an output of 141 bhp (143 PS/105 kW) of power at 3600 rpm.
A 3 speed Wilson Preselect transmission transfers the power to the driven wheels.
It weighs a stated 2032 kg at the kerb.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | |||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 3391 mm | 133.5 inches | |
| Track/tread (front) | 1513 mm | 59.6 inches | |
| Track/tread (rear) | 1513 mm | 59.6 inches | |
| Length | 5423 mm | 213.5 inches | |
| Width | 1918 mm | 75.5 inches | |
| Height | |||
| Ground clearance | 197 mm | 7.8 inches | |
| length:wheelbase ratio | 1.6 | ||
| Kerb weight | 2032 kg | 4480 lb | |
| Weight distribution | |||
| fuel tank capacity | |||
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Buick | ||
| Engine code | |||
| Cylinders | Straight 8 | ||
| Capacity | 5.2 litre 5231 cc (319.215 cu in) |
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| Bore × Stroke | 87.31 × 109.5 mm
3.44 × 4.31 in |
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| Bore/stroke ratio | 0.8 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output | 143 PS (141 bhp) (105 kW) at 3600 rpm |
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| maximum torque | |||
| Specific output | 20.1 kW/litre 27.3 ps/litre 27 bhp/litre 0.44 bhp/cu in |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | |||
| Fuel system | |||
| bmep (brake mean effective pressure) | |||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 653.88 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| 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 70.35 PS/tonne (1000 kg) 0.07 PS/kg 51.74 kW/tonne (1000 kg) 0.05 kW/kg 69.39 bhp/tonne (1000 kg) 0.07 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 19.33 kg/kW 32.28 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 | |||
| Turning circle | |||
| Front suspension | I. | ||
| Rear suspension | LA.CS. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | |||
| Tyres rear | |||
| Brakes F/R | |||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed Wilson | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 4.18 | ||
| general | |||
| Carfolio.com ID | 54626 | ||
| Production total | |||
| Model code | |||
| RAC rating | 37.8 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1939 Buick 80 Roadmaster added before December 1995. Last modified 2013-02-28. |
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