Comparison Buick Regal II Coupe (facelift 1981) 3.8 V6 (203 Hp) Automatic & Ferrari 812 GTS 6.5 V12 (800 Hp) DCT & Ferrari 400 I 4.8 V12 (310 Hp) Automatic
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| Brand: | Buick | Ferrari | Ferrari |
| Model: | Regal | 812 GTS | 400 |
| Generation: | Regal II Coupe (facelift 1981) | 812 GTS | 400 I |
| Engine / modification: | 3.8 V6 (203 Hp) Automatic | 6.5 V12 (800 Hp) DCT | 4.8 V12 (310 Hp) Automatic |
| Production start: | 1981 year | 2019 year | 1979 year |
| Production end: | 1987 year | 1985 year | |
| Coupe type: | Coupe | Coupe - Cabriolet | Coupe |
| Num. of Doors: | 2 | 2 | 2 |
| Num. of seats: | 5 | 2 | 4 |
| Fuel consumption / economy - urban: | 13.8 l/100 km | ||
| Fuel consumption / economy - extra urban: | 8.4 l/100 km | ||
| Fuel consumption / economy - combined: | 11.8 l/100 km | ||
| Fuel consumption at Low speed (WLTP): | 25.8 l/100 km | ||
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) | Petrol (Gasoline) |
| Fuel consumption at Medium speed (WLTP): | 15.8 l/100 km | ||
| Fuel consumption at high speed (WLTP): | 14 l/100 km | ||
| Drag coefficient: | 0.44 | ||
| Fuel tank volume: | 68 l | 92 l | 120 l |
| Fuel consumption at very high speed (WLTP): | 15.3 l/100 km | ||
| Combined fuel consumption (WLTP): | 16.4 l/100 km | ||
| Power: | 203 hp | 800 hp | 310 hp |
| Max power in: | 4000 rpm. | 8500 rpm. | 6500 rpm. |
| Maximum speed: | 340 km/h | 240 km/h | |
| Acceleration from 0 to 200 km/h: | 8.5 sec | ||
| CO2 emissions (WLTP): | 373 g/km | ||
| Torque: | 407 Nm @ 2400 rpm. | 718 Nm @ 7000 rpm. | |
| Stopping distance 100 km/h - 0: | 32 m | ||
| stopping distance 200 km/h - 0: | 121 m | ||
| Model Engine: | LD5/LC6 | F140GA | |
| Engine position: | Front, longitudinal | Front, longitudinal | |
| Engine displacement: | 3791 cm3 | 6496 cm3 | 4823 cm3 |
| Engine oil capacity: | 4.3 l | 13.2 l | |
| Coolant: | 12.6 l | 13.5 l | |
| Fuel System: | Multi-point injection | Direct injection | |
| Maximum engine speed: | 8900 rpm. | ||
| Aspiration / Turbine: | Turbocharger | ||
| Position of cylinders: | V engine | V engine | V engine |
| Valvetrain: | OHV | ||
| Number of cylinders: | 6 | 12 | 12 |
| Number of valves per cylinder: | 2 | 4 | 2 |
| Compression ratio: | 8 | 13.5 | 8.8 |
| Piston Stroke: | 86.36 mm | 78 mm | 78 mm |
| Cylinder Bore: | 96.52 mm | 94 mm | 81 mm |
| Wheel Drive: | Rear wheel drive | Rear wheel drive | Rear wheel drive |
| Number of Gears (automatic transmission): | 4 Hydramatic | 7 DCT | 3 |
| Length: | 5095 mm | 4693 mm | 4810 mm |
| Width: | 1819 mm | 1971 mm | 1798 mm |
| Height: | 1387 mm | 1278 mm | 1314 mm |
| Wheelbase: | 2746 mm | 2720 mm | 2700 mm |
| Front track: | 1486 mm | 1672 mm | 1470 mm |
| Rear (Back) track: | 1468 mm | 1645 mm | 1500 mm |
| Ride height(clearance): | 140 mm | ||
| Minimum volume of Luggage (trunk): | 459 l | 250 l | |
| Front suspension: | Independent, spring | ||
| Rear suspension: | Suspension De-Dion | ||
| Front brakes: | Disc | Ventilated discs | |
| Rear brakes: | Drum | Disc | |
| Kerb Weight: | 1550 kg | 1645 kg | |
| ABS: | yes | ||
| Steering type: | Cone worm with recirculation balls | ||
| Minimum turning circle (turning diameter): | 12.8 m | ||
| Tire size: | 215/65 R15 | Front wheel tires: 275/35 ZR20 | 215/70 R15 |
| Wheel rims size: | R15 | Front wheel rims: 10J x 20 | R15 |