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| General Information |
| Make |
Buick |
| Model |
Riviera |
| Production Year |
1991 |
| Country |
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| Designer |
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| Production Number |
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| Model Code |
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| Model Family |
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| Chassis and Dimensions |
| Chassis Type |
2+2 FHC |
| Number of Doors |
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| Wheelbase |
2743 mm (108 in) |
| Front Track |
1521 mm (59,9 in) |
| Rear Track |
1521 mm (59,9 in) |
| Length |
5037 mm (198,3 in) |
| Width |
1857 mm (73,1 in) |
| Height |
1344 mm (52,9 in) |
| Ground Clearance |
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| Length / Wheelbase Ratio |
1,84 |
| Weight |
1585 kg (3491,2 lb) |
| Weight Distribution (front/rear) |
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| Fuel Capacity |
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| Aerodynamics |
| Drag Coefficient |
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| Frontal Area |
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| Cx |
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| Engine Specifications |
| Engine Manufacturer |
GM |
| Engine Location |
Front |
| Engine Alignment |
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| Engine Construction |
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| Coolant Type |
Water |
| Engine Type |
OHV |
| Number of Cylinders and Placement |
V-6 |
| Valves per Cylinder |
2 (Total of 12 Pieces) |
| Engine Displacement |
3791 cc (231,34 cu in) |
| Bore |
96,5 mm (3,8 in) |
| Stroke |
86,4 mm (3,4 in) |
| Bore / Stroke Ratio |
1,12 |
| Unitary Capacity |
631,83 cc/cylinder (38,56 cu in/cylinder) |
| Number of Main Bearings |
4 |
| Compression Ratio |
8,5 : 1 |
| Fuel System Type |
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| Aspiration Type |
Normal |
| Compressor Type |
- |
| Intercooler Type |
None |
| Catalytic Converter |
Yes |
| Maximum Engine Power |
170 HP (126,8 kW) |
| Maximum Engine Power rpm |
4800 d/d |
| Maximum Engine Torque |
298 N.m (219,9 lb.ft , 30,4 kg.m) |
| Maximum Engine Torque rpm |
3200 d/d |
| Engine Torque at Max. Engine Power rpm |
252,2 N.m (4800 d/d) |
| Power / Weight Ratio |
107,3 HP/ton (80 W/kg) |
| Power / Engine Displacement Ratio |
44,8 HP/litre (33,4 kW/litre) |
| CO2 Emissions |
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| Fuel Consumption |
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| Performance |
| 0 - 80 km/h |
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| 0 - 60 mph |
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| 0 - 100 km/h |
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| 0 - 160 km/h |
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| 80 - 120 km/h (in top gear) |
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| 0 - 400 m Acceleration |
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| 0 - 1000 m Acceleration |
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| Top Speed |
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| Gearbox and Transmission |
| Transmission Type |
3A |
| Top Gear Ratio |
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| Final Drive Ratio |
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| Drive Wheels |
FWD (Front Wheel Drive) |
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| Handling, Suspension Geometry and Brakes |
| Steering Type |
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| Steering Turns (lock to lock) |
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| Turning Circle Diameter |
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| Suspension (front) |
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| Suspension (rear) |
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| Brakes (front/rear) |
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| Brake Disc Diameter (front) |
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| Brake Disc Diameter (rear) |
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| Wheels (front) |
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| Wheels (rear) |
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| Tyres (front) |
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| Tyres (rear) |
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