Comparison Buick Regal II Coupe (facelift 1981) 3.8 V6 (238 Hp) Automatic & Buick Regal II Sedan 4.1 V6 (127 Hp) Automatic
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| Brand: | Buick | Buick |
| Model: | Regal | Regal |
| Generation: | Regal II Coupe (facelift 1981) | Regal II Sedan |
| Engine / modification: | 3.8 V6 (238 Hp) Automatic | 4.1 V6 (127 Hp) Automatic |
| Production start: | 1981 year | 1978 year |
| Production end: | 1987 year | 1987 year |
| Coupe type: | Coupe | Sedan |
| Num. of Doors: | 2 | 4 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 13.8 l/100 km | 12.4 l/100 km |
| Fuel consumption / economy - extra urban: | 9.8 l/100 km | 8.1 l/100 km |
| Fuel consumption / economy - combined: | 12.4 l/100 km | 10.7 l/100 km |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.44 | 0.46 |
| Fuel tank volume: | 68 l | 68 l |
| Power: | 238 hp | 127 hp |
| Max power in: | 4000 rpm. | 4000 rpm. |
| Torque: | 447 Nm @ 2400 rpm. | 278 Nm @ 2000 rpm. |
| Model Engine: | LC2 | |
| Engine position: | Front, longitudinal | Front, longitudinal |
| Engine displacement: | 3791 cm3 | 4128 cm3 |
| Engine oil capacity: | 4.7 l | |
| Coolant: | 11.5 l | |
| Fuel System: | Multi-point injection | Carburettor |
| Aspiration / Turbine: | Turbocharger / Intercooler | |
| Position of cylinders: | V engine | V engine |
| Valvetrain: | OHV | OHV |
| Number of cylinders: | 6 | 6 |
| Number of valves per cylinder: | 2 | 2 |
| Compression ratio: | 8 | 8 |
| Piston Stroke: | 86.36 mm | 86.36 mm |
| Cylinder Bore: | 96.52 mm | 100.71 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 4 Hydramatic | 3 Hydramatic |
| Length: | 5095 mm | 4978 mm |
| Width: | 1819 mm | 1806 mm |
| Height: | 1387 mm | 1407 mm |
| Wheelbase: | 2746 mm | 2746 mm |
| Front track: | 1486 mm | 1486 mm |
| Rear (Back) track: | 1468 mm | 1466 mm |
| Minimum volume of Luggage (trunk): | 459 l | 459 l |
| Front suspension: | Independent, spring | Independent, spring |
| Rear suspension: | Suspension De-Dion | Suspension De-Dion |
| Front brakes: | Ventilated discs | Ventilated discs |
| Rear brakes: | Drum | Drum |
| Kerb Weight: | 1532 kg | 1537 kg |
| Steering type: | Cone worm with recirculation balls | Cone worm with recirculation balls |
| Minimum turning circle (turning diameter): | 12.8 m | 12.8 m |
| Tire size: | 215/65 R15 | 185/75 R14 |
| Wheel rims size: | R15 | R14 |