The Buick Roadmaster Estate Wagon is an estate/station wagon with 5 doors and a front mounted engine which delivers the power to the rear wheels.
It's powered courtesy of a naturally aspirated engine of 5 litre capacity. This powerplant features overhead valve valve gear, a 90 degree V 8 cylinder layout, and 2 valves per cylinder. It has an output of 170 bhp (172 PS/127 kW) of power at 4200 rpm, and maximum torque of 346 N·m (255 lb·ft/35.3 kgm) at 2400 rpm.
The engine supplies its power through to the wheels by means of a 4 speed automatic gearbox.
The quoted weight at the kerb is 2003 kg.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 7/8 seater estate/station wagon | ||
| Number of doors | 5 | ||
| 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 | 5527 mm | 217.6 inches | |
| Width | 2029 mm | 79.9 inches | |
| Height | 1532 mm | 60.3 inches | |
| Ground clearance | 193 mm | 7.6 inches | |
| length:wheelbase ratio | 1.88 | ||
| Kerb weight | 2003 kg | 4416 lb | |
| Weight distribution | 49.6% front | ||
| fuel tank capacity | 83.3 litres | 18.3 [22] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | GM | ||
| Engine code | LO3 | ||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 5 litre 5001 cc (305.18 cu in) |
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| Bore × Stroke | 94.89 × 88.39 mm
3.74 × 3.48 in |
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| Bore/stroke ratio | 1.07 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (SAE net) |
172 PS (170 bhp) (127 kW) at 4200 rpm |
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| maximum torque (SAE net) |
346 Nm (255 ft·lb) (35.3 kgm) at 2400 rpm |
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| Specific output (SAE net) |
25.3 kW/litre 34.5 ps/litre 34 bhp/litre 0.56 bhp/cu in |
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| Specific torque (SAE net) |
69.19 Nm/litre
0.84 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 9.3:1 | ||
| Fuel system | Rochester fuel injection | ||
| bmep (brake mean effective pressure) | 869.4 kPa (126.1 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 625.13 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 86.05 PS/tonne (1000 kg) 0.09 PS/kg 63.29 kW/tonne (1000 kg) 0.06 kW/kg 84.87 bhp/tonne (1000 kg) 0.08 bhp/kg 0.04 bhp/lb |
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| Weight-to-power ratio | Lower is better 15.8 kg/kW 26.39 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 | 3.170 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | P225/75 R 15 | ||
| Tyres rear | P225/75 R 15 | ||
| Brakes F/R | VeDi/Di-S | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 4 speed automatic | ||
| Top gear ratio | 0.7 | ||
| Final drive ratio | 2.73 | ||
| general | |||
| Carfolio.com ID | 772156 | ||
| Production total | |||
| Model code | R35 | ||
| RAC rating | 44.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1991 Buick Roadmaster Estate Wagon added 2022-09-11. Last modified 2022-09-11. |
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