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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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 4/5 seater fixed-head coupé | ||
| Nombre de portes | 2 | ||
| Designer | |||
| Dimensions et poids | |||
| Empattement | 2896 | 114 | |
| Voies AV | 1506 | 59.3 | |
| Voies AR | 1524 | 60 | |
| Longueur | 5222 | 205.6 | |
| Largeur | 2032 | 80 | |
| Hauteur | 1377 | 54.2 | |
| Garde au sol | 130 | 5.1 | |
| 1.8 | |||
| Poids avec pleins | 1681 kg | 3706 | |
| Répartition poids AV | |||
| Réservoir à essence | 88 litres | 19.4 [23.2] UK [US] gal. | |
| Caractéristiques aérodynamique | |||
| Coefficient de pénétration | |||
| maître-couple | |||
| SCx | |||
| naturally aspirated diesel | |||
| Constructeur du moteur | GM | ||
| Type moteur | |||
| Cylinders | V 8 in 90° vee | ||
| Cylindrée | 5.7 litre 5736 cc (350.032 cu in) |
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| Alésage × Course | 103.12 × 85.85 mm
4.06 × 3.38 in |
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| Rapport alésage / course | 1.2 | ||
| Distribution | overhead valve (OHV)
2 Soupapes par cylindre 16 Total vannes |
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| Puissance maximale (SAEnet) |
105 PS (104 bhp) (78 kW) à 3200 tr/mn |
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| Couple maximale (SAEnet) |
278 Nm (205 ft·lb) (28.3 kgm) à 1600 tr/mn |
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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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(SAEnet) |
48.47 Nm/litre
0.59 ft·lb/cu3 |
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| Construction | cast iron block & head | ||
| Lubrification | Carter humide | ||
| Taux de compression | 22.5:1 | ||
| Carburant | 1 Detroit-Diesel injection pump | ||
| bmep (brake mean effective pressure) | 609 kPa (88.3 psi) | ||
| Régime maximal | |||
| Nombre de paliers de vilebrequin | 5 | ||
| Refroidissement | Water | ||
| Cylindrée Unitaire | 717 cc | ||
| Aspiration | Normal D. | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalyseur | Y | ||
| Performances | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vitesse | 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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| Consommation | |||
| Consommation | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Emissions de CO₂ | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Châssis | |||
| Emplacement de moteur | front | ||
| Engine layout | longitudinal | ||
| Traction | front wheel drive | ||
| Répartition du couple | N/A | ||
| Direction | |||
| turns lock-to-lock | 3.000 | ||
| Turning circle | |||
| Suspension AV | |||
| Suspension AR | |||
| Roues AV | 6 x 15 | ||
| Roues AR | 6 x 15 | ||
| Pneumatiques AV | P205/70 R 15 | ||
| Pneumatiques AR | P205/70 R 15 | ||
| Freins AV/AR | VeDi/Dr-S | ||
| Diamètre des freins AV | 267 mm | ||
| Diamètre des freins AR | |||
| Braked area | |||
| Transmission | 3 speed automatic | ||
| Rapport de démultiplication supérieure | 1 | ||
| Rapport de pont | 2.41 | ||
| Généralités | |||
| Carfolio.com ID | 156970 | ||
| Production total | |||
| Type mines | |||
| 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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