Comparison Buick Regal II Coupe (facelift 1981) 3.8 V6 (177 Hp) Automatic & Buick Regal II Station Wagon 4.1 V6 (127 Hp) Automatic & Buick Regal I Coupe (facelift 1976) S/R 5.7 V8 (172 Hp) Automatic
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| Brand: | Buick | Buick | Buick |
| Model: | Regal | Regal | Regal |
| Generation: | Regal II Coupe (facelift 1981) | Regal II Station Wagon | Regal I Coupe (facelift 1976) |
| Engine / modification: | 3.8 V6 (177 Hp) Automatic | 4.1 V6 (127 Hp) Automatic | S/R 5.7 V8 (172 Hp) Automatic |
| Production start: | 1981 year | 1982 year | 1973 year |
| Production end: | 1987 year | 1983 year | 1977 year |
| Coupe type: | Coupe | Combi | Coupe |
| Num. of Doors: | 2 | 5 | 2 |
| Num. of seats: | 5 | 5 | 5 |
| Fuel consumption / economy - urban: | 13.1 l/100 km | 12.4 l/100 km | |
| Fuel consumption / economy - extra urban: | 9.4 l/100 km | 8.1 l/100 km | |
| Fuel consumption / economy - combined: | 11.2 l/100 km | 10.7 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.45 | 0.53 | 0.48 |
| Fuel tank volume: | 68 l | 68 l | 83 l |
| Power: | 177 hp | 127 hp | 172 hp |
| Max power in: | 4000 rpm. | 4000 rpm. | 3800 rpm. |
| Torque: | 373 Nm @ 2600 rpm. | 278 Nm @ 2000 rpm. | 373 Nm @ 2000 rpm. |
| Model Engine: | LD5/LC6 | LC4 | |
| Engine position: | Front, longitudinal | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 3791 cm3 | 4128 cm3 | 5737 cm3 |
| Engine oil capacity: | 4.7 l | 4.7 l | |
| Coolant: | 12.5 l | 12.5 l | |
| Fuel System: | Carburettor | Carburettor | Carburettor |
| Aspiration / Turbine: | Turbocharger | ||
| Position of cylinders: | V engine | V engine | V engine |
| Valvetrain: | OHV | OHV | |
| Number of cylinders: | 6 | 6 | 8 |
| Number of valves per cylinder: | 2 | 2 | 2 |
| Compression ratio: | 8 | 8 | 7.9 |
| Piston Stroke: | 86.36 mm | 86.36 mm | 85.98 mm |
| Cylinder Bore: | 96.52 mm | 100.71 mm | 103.05 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 3 Hydramatic | 3 Hydramatic | 3 Hydramatic |
| Length: | 5095 mm | 4996 mm | 5326 mm |
| Width: | 1819 mm | 1808 mm | 1956 mm |
| Height: | 1374 mm | 1435 mm | 1336 mm |
| Wheelbase: | 2746 mm | 2746 mm | 2845 mm |
| Front track: | 1486 mm | 1486 mm | 1562 mm |
| Rear (Back) track: | 1468 mm | 1466 mm | 1542 mm |
| Minimum volume of Luggage (trunk): | 459 l | 416 l | |
| Front suspension: | Independent, spring | Independent, spring | |
| Rear suspension: | Suspension De-Dion | Suspension De-Dion | |
| Front brakes: | Ventilated discs | Ventilated discs | Disc |
| Rear brakes: | Drum | Drum | Drum |
| Kerb Weight: | 1503 kg | 1605 kg | 1744 kg |
| Steering type: | Cone worm with recirculation balls | Cone worm with recirculation balls | |
| Minimum turning circle (turning diameter): | 12.8 m | 12.8 m | 12.8 m |
| Tire size: | 205/70 R14 | 195/75 R14 | 185/75 R14; 195/70 R14; 205/65 R14; 215/60 R14; 195/70 R14 |
| Wheel rims size: | R14 | R14 | R14 |