The Roadmaster Sport Coupé is a rear wheel drive coupé passenger car with a front mounted engine, produced by Buick.
The Buick Roadmaster Sport Coupé is one of the Series 70 model family from Buick.
It's powered courtesy of 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 develops 165 bhp (167 PS/123 kW) of power at 3800 rpm.
A 3 speed manual gearbox transfers the power to the wheels.
Full specs
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| bodywork | |||
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| Body type | 5/6 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 3200 mm | 126 inches | |
| Track/tread (front) | 1502 mm | 59.1 inches | |
| Track/tread (rear) | 1581 mm | 62.2 inches | |
| Length | 5461 mm | 215 inches | |
| Width | |||
| Height | 1680 mm | 66.1 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.71 | ||
| Kerb weight | |||
| 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 5245 cc (320.07 cu in) |
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| Bore × Stroke | 87.3 × 109.54 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 | 167 PS (165 bhp) (123 kW) at 3800 rpm |
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| maximum torque | |||
| Specific output | 23.5 kW/litre 31.9 ps/litre 31.5 bhp/litre 0.52 bhp/cu in |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 7:1 | ||
| Fuel system | 2 Stromberg carburettors | ||
| bmep (brake mean effective pressure) | |||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 655.63 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 | |||
| Weight-to-power ratio | |||
| 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 | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 7.00 x 15 | ||
| Tyres rear | 7.00 x 15 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.90 | ||
| general | |||
| Carfolio.com ID | 745657 | ||
| Production total | |||
| Model code | 76S | ||
| Model family | Series 70 | ||
| RAC rating | 37.8 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1941 Buick Roadmaster Sport Coupé added 2022-06-17. Last modified 2022-06-18. |
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