The Riviera Coupé is a front wheel drive coupé motor car with a front located engine, manufactured by Buick.
The Riviera Coupé is part of Buick's Z57 family of cars.
The 8 cylinder, overhead valve naturally aspirated powerplant has 2 valves per cylinder and a capacity of 5.7 litres. It musters power and torque figures of 104 bhp (105 PS/78 kW) at 3200 rpm and 278 Nm (205 lbft/28.3 kgm) at 1600 rpm respectively.
The engine drives the wheels via a 3 speed automatic set of gears.
The claimed kerb weight is 1681 kg.
Maximum quoted speed is 151 km/h or 94 mph.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 4/5 seater fixed-head coupé | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2896 mm | 114 inches | |
| Track/tread (front) | 1506 mm | 59.3 inches | |
| Track/tread (rear) | 1524 mm | 60 inches | |
| Length | 5222 mm | 205.6 inches | |
| Width | 2032 mm | 80 inches | |
| Height | 1377 mm | 54.2 inches | |
| Ground clearance | 130 mm | 5.1 inches | |
| length:wheelbase ratio | 1.8 | ||
| Kerb weight | 1681 kg | 3706 lb | |
| Weight distribution | |||
| fuel tank capacity | 88 litres | 19.4 [23.2] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated diesel | ||
| Engine manufacturer | GM | ||
| Engine code | |||
| Cylinders | V 8 in 90° vee | ||
| Capacity | 5.7 litre 5736 cc (350.032 cu in) |
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| Bore × Stroke | 103.12 × 85.85 mm
4.06 × 3.38 in |
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| Bore/stroke ratio | 1.2 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 16 valves in total |
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| maximum power output (SAEnet) |
105 PS (104 bhp) (78 kW) at 3200 rpm |
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| maximum torque (SAEnet) |
278 Nm (205 ft·lb) (28.3 kgm) at 1600 rpm |
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| Specific output (SAEnet) |
13.5 kW/litre 18.4 ps/litre 18.1 bhp/litre 0.3 bhp/cu in |
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| Specific torque (SAEnet) |
48.47 Nm/litre
0.59 ft·lb/cu3 |
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| Engine construction | cast iron block & head | ||
| Lubrication | wet sumped | ||
| compression ratio | 22.5:1 | ||
| Fuel system | 1 Detroit-Diesel injection pump | ||
| bmep (brake mean effective pressure) | 609 kPa (88.3 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 5 | ||
| Engine coolant | Water | ||
| Unitary capacity | 717 cc | ||
| Aspiration | Normal D. | ||
| 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 | 151 km/h (94 mph) | ||
| Power-to-weight ratio | Higher is better 62.73 PS/tonne (1000 kg) 0.06 PS/kg 46.13 kW/tonne (1000 kg) 0.05 kW/kg 61.87 bhp/tonne (1000 kg) 0.06 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 21.68 kg/kW 36.21 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 | front wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | 3.000 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | 6 x 15 | ||
| Wheel size rear | 6 x 15 | ||
| Tyres front | P205/70 R 15 | ||
| Tyres rear | P205/70 R 15 | ||
| Brakes F/R | VeDi/Dr-S | ||
| Front brake diameter | 267 mm | ||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed automatic | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 2.41 | ||
| general | |||
| Carfolio.com ID | 156970 | ||
| Production total | |||
| Model code | |||
| Model family | Z57 | ||
| RAC rating | 52.7 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1981 Buick Riviera Coupé added 2007-05-11. Last modified 2020-07-23. |
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