The Roadmaster is a car from Buick, with rear wheel drive, a front mounted engine and a 4 door saloon (sedan) body style.
Power is produced by an overhead valve, 5.7 litre naturally aspirated 8 cylinder engine, with 2 valves per cylinder that produces power and torque figures of 180 bhp (183 PS/134 kW) at 4000 rpm and 407 N·m (300 lb·ft/41.5 kgm) at 2400 rpm respectively.
A 4 speed automatic gearbox transmits the power to the wheels.
Its stated kerb weight is 1842 kg.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater sedan/saloon | ||
| Number of doors | 4 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2944 mm | 115.9 inches | |
| Track/tread (front) | 1577 mm | 62.1 inches | |
| Track/tread (rear) | 1628 mm | 64.1 inches | |
| Length | 5481 mm | 215.8 inches | |
| Width | 1984 mm | 78.1 inches | |
| Height | 1420 mm | 55.9 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.86 | ||
| Kerb weight | 1842 kg | 4061 lb | |
| Weight distribution | |||
| fuel tank capacity | 87.3 litres | 19.2 [23.1] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | GM | ||
| Engine code | |||
| Cylinders | V 8 | ||
| Capacity | 5.7 litre 5733 cc (349.849 cu in) |
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| Bore × Stroke | 101.6 × 88.4 mm
4 × 3.48 in |
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| Bore/stroke ratio | 1.15 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (SAE) |
183 PS (180 bhp) (134 kW) at 4000 rpm |
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| maximum torque (SAE) |
407 Nm (300 ft·lb) (41.5 kgm) at 2400 rpm |
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| Specific output (SAE) |
23.4 kW/litre 31.8 ps/litre 31.4 bhp/litre 0.51 bhp/cu in |
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| Specific torque (SAE) |
70.99 Nm/litre
0.86 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 9.8:1 | ||
| Fuel system | |||
| bmep (brake mean effective pressure) | 892.1 kPa (129.4 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 716.63 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 99.08 PS/tonne (1000 kg) 0.1 PS/kg 72.87 kW/tonne (1000 kg) 0.07 kW/kg 97.72 bhp/tonne (1000 kg) 0.1 bhp/kg 0.04 bhp/lb |
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| Weight-to-power ratio | Lower is better 13.72 kg/kW 22.92 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 | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | |||
| Tyres rear | |||
| Brakes F/R | Di/Dr-ABS | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 4 speed automatic | ||
| Top gear ratio | |||
| Final drive ratio | |||
| general | |||
| Carfolio.com ID | 18469 | ||
| Production total | |||
| Model code | |||
| RAC rating | 51.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1992 Buick Roadmaster added before December 1995. Last modified 2013-02-28. |
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