The Buick Century Custom Hardtop Coupé is a coupé with 2 doors and a front mounted engine which supplies its power to the rear wheels.
The Century Custom Hardtop Coupé forms part of Buick's 4A range of cars.
Powering the Buick Century Custom Hardtop Coupé is an overhead valve, 5.7 litre naturally aspirated 8 cylinder motor, with 2 valves per cylinder that provides power and torque figures of 145 bhp (147 PS/108 kW) at 3200 rpm and 366 N·m (270 lb·ft/37.3 kgm) at 2000 rpm respectively.
The engine supplies its power through to the wheels by means of a 3 speed automatic transmission.
Full specs
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| bodywork | |||
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| 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) |
147 PS (145 bhp) (108 kW) at 3200 rpm |
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| maximum torque (net) |
366 Nm (270 ft·lb) (37.3 kgm) at 2000 rpm |
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| Specific output (net) |
18.9 kW/litre 25.7 ps/litre 25.3 bhp/litre 0.42 bhp/cu in |
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| Specific torque (net) |
63.94 Nm/litre
0.77 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) | 803.5 kPa (116.5 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 | 339944 | ||
| 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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