The Century Custom Hardtop Coupé is a rear wheel drive coupé motor vehicle with a front positioned engine, from Buick.
It forms part of Buick's 4A model series.
Its 8 cylinder, overhead valve naturally aspirated powerplant has 2 valves per cylinder and a volume of 5.7 litres. It musters power and torque figures of 160 bhp (162 PS/119 kW) at 3800 rpm and 353 Nm (260 lbft/36 kgm) at 2200 rpm respectively.
The engine transmits power to the wheels via a 3 speed automatic transmission.
Full specs
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Applicable to the Californian, USA domestic market(s). | ||
| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2845 mm | 112 inches | |
| Track/tread (front) | 1562 mm | 61.5 inches | |
| Track/tread (rear) | 1542 mm | 60.7 inches | |
| Length | 5321 mm | 209.5 inches | |
| Width | 2007 mm | 79 inches | |
| Height | 1354 mm | 53.3 inches | |
| Ground clearance | |||
| length:wheelbase ratio | 1.87 | ||
| Kerb weight | |||
| Weight distribution | |||
| fuel tank capacity | 83 litres | 18.3 [21.9] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | GM | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 5.7 litre 5724 cc (349.3 cu in) |
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| Bore × Stroke | 96.52 × 97.79 mm
3.8 × 3.85 in |
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| Bore/stroke ratio | 0.99 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (net) |
162 PS (160 bhp) (119 kW) at 3800 rpm |
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| maximum torque (net) |
353 Nm (260 ft·lb) (36 kgm) at 2200 rpm |
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| Specific output (net) |
20.8 kW/litre 28.3 ps/litre 28 bhp/litre 0.46 bhp/cu in |
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| Specific torque (net) |
61.67 Nm/litre
0.75 ft·lb/cu3 |
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| Engine construction | cast iron block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 8:1 | ||
| Fuel system | 1 Rochestrer carburettor | ||
| bmep (brake mean effective pressure) | 775 kPa (112.4 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 715.5 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 | |||
| 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 | 6 x 15 | ||
| Wheel size rear | 6 x 15 | ||
| Tyres front | GR78-15 | ||
| Tyres rear | GR78-15 | ||
| Brakes F/R | VeDi/Dr | ||
| Front brake diameter | 279 mm | ||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 2.56 | ||
| general | |||
| Carfolio.com ID | 339966 | ||
| Production total | |||
| Model code | H57 | ||
| Model family | 4A | ||
| RAC rating | 46.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1975 Buick Century Custom Hardtop Coupé added 2013-06-22. Last modified 2020-02-02. |
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