The Buick Roadmaster Riviera Hardtop is a coupé with 2 doors and a front mounted powerplant which transmits its power through the rear wheels.
The Roadmaster Riviera Hardtop is part of Buick's Series 70 range of cars.
The 8 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a volume of 5.2 litres. This unit provides power and torque figures of 188 bhp (191 PS/140 kW) at 4000 rpm and 407 Nm (300 lbft/41.5 kgm) at 2400 rpm respectively.
A 2 speed automatic 'box delivers the power to the driven wheels.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 3086 mm | 121.5 inches | |
| Track/tread (front) | 1524 mm | 60 inches | |
| Track/tread (rear) | 1575 mm | 62 inches | |
| Length | 5273 mm | 207.6 inches | |
| Width | 2032 mm | 80 inches | |
| Height | |||
| Ground clearance | |||
| length:wheelbase ratio | 1.71 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 75 litres | 16.5 [19.8] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Buick | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 5.2 litre 5230 cc (319.154 cu in) |
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| Bore × Stroke | 101.6 × 81.3 mm
4 × 3.2 in |
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| Bore/stroke ratio | 1.25 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output | 191 PS (188 bhp) (140 kW) at 4000 rpm |
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| maximum torque | 407 Nm (300 ft·lb) (41.5 kgm) at 2400 rpm |
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| Specific output | 26.8 kW/litre 36.4 ps/litre 35.9 bhp/litre 0.59 bhp/cu in |
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| Specific torque |
77.82 Nm/litre
0.94 ft·lb/cu3 |
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| Engine construction | cast iron block | ||
| Lubrication | wet sumped | ||
| compression ratio | 8.5:1 | ||
| Fuel system | 2 Carter carburettors | ||
| bmep (brake mean effective pressure) | 977.9 kPa (141.8 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 653.75 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 | I.CS. | ||
| Rear suspension | LA.CS. | ||
| Wheel size front | 6½ x 15 | ||
| Wheel size rear | 6½ x 15 | ||
| Tyres front | 8.00 x 15 | ||
| Tyres rear | 8.00 x 15 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 2 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.60 | ||
| general | |||
| Carfolio.com ID | 349646 | ||
| Production total | |||
| Model code | 76R 53-4767 | ||
| Model family | Series 70 | ||
| RAC rating | 51.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1953 Buick Roadmaster Riviera Hardtop added 2013-07-28. Last modified 2020-02-02. |
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