Comparison Buick Regal II Coupe (facelift 1981) 3.8 V6 (238 Hp) Automatic & Buick Century (W) 3.1 i V6 (162 Hp) & Buick Regal III Sedan 3.1 V6 (162 Hp) Automatic
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| Brand: | Buick | Buick | Buick |
| Model: | Regal | Century | Regal |
| Generation: | Regal II Coupe (facelift 1981) | Century (W) | Regal III Sedan |
| Engine / modification: | 3.8 V6 (238 Hp) Automatic | 3.1 i V6 (162 Hp) | 3.1 V6 (162 Hp) Automatic |
| Production start: | 1981 year | 1997 year | 1988 year |
| Production end: | 1987 year | 1999 year | 1996 year |
| Coupe type: | Coupe | Sedan | Sedan |
| Num. of Doors: | 2 | 4 | 4 |
| Num. of seats: | 5 | 5 | 5 |
| Fuel consumption / economy - urban: | 13.8 l/100 km | 11.8 l/100 km | 12.4 l/100 km |
| Fuel consumption / economy - extra urban: | 9.8 l/100 km | 8.1 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) | Petrol (Gasoline) |
| Drag coefficient: | 0.44 | 0.35 | |
| Fuel tank volume: | 68 l | 64 l | 62 l |
| Power: | 238 hp | 162 hp | 162 hp |
| Max power in: | 4000 rpm. | 5200 rpm. | 5200 rpm. |
| Maximum speed: | 175 km/h | ||
| Acceleration from 0 to 100 km/h: | 9.2 sec | ||
| Torque: | 447 Nm @ 2400 rpm. | 251 Nm @ 4000 rpm. | 251 Nm/4000 rpm. |
| Model Engine: | LC2 | L82 | |
| Engine position: | Front, longitudinal | Front, transverse | Front, transverse |
| Engine displacement: | 3791 cm3 | 3136 cm3 | 3135 cm3 |
| Engine oil capacity: | 4.7 l | 4.2 l | |
| Coolant: | 11.5 l | 11.0 l | |
| Fuel System: | Multi-point injection | Multi-point injection | Multi-point injection |
| Aspiration / Turbine: | Turbocharger / Intercooler | ||
| Position of cylinders: | V engine | V engine | V engine |
| Valvetrain: | OHV | OHV | |
| Number of cylinders: | 6 | 6 | 6 |
| Number of valves per cylinder: | 2 | 2 | 2 |
| Compression ratio: | 8 | 9.6 | 9.6 |
| Piston Stroke: | 86.36 mm | 84 mm | 84 mm |
| Cylinder Bore: | 96.52 mm | 89 mm | 89 mm |
| Wheel Drive: | Rear wheel drive | Front wheel drive | Front wheel drive |
| Number of Gears (automatic transmission): | 4 Hydramatic | 4 | 4 Hydramatic |
| Length: | 5095 mm | 4790 mm | 4948 mm |
| Width: | 1819 mm | 1850 mm | 1842 mm |
| Height: | 1387 mm | 1440 mm | 1384 mm |
| Wheelbase: | 2746 mm | 2770 mm | 2730 mm |
| Front track: | 1486 mm | 1570 mm | 1506 mm |
| Rear (Back) track: | 1468 mm | 1560 mm | 1473 mm |
| Minimum volume of Luggage (trunk): | 459 l | 475 l | 447 l |
| Front suspension: | Independent, spring | The depreciated rack | The depreciated rack |
| Rear suspension: | Suspension De-Dion | Helical spring | Wishbone |
| Front brakes: | Ventilated discs | Ventilated discs | Ventilated discs |
| Rear brakes: | Drum | Drum | Disc |
| Kerb Weight: | 1532 kg | 1515 kg | 1514 kg |
| ABS: | yes | yes | |
| Steering type: | Cone worm with recirculation balls | ||
| Power steering: | Hydraulic Steering | Hydraulic Steering | |
| Minimum turning circle (turning diameter): | 12.8 m | 12.5 m | |
| Tire size: | 215/65 R15 | 205/70 R15 | 205/70 R15 |
| Wheel rims size: | R15 | R15 | R15 |