Comparison Buick Regal II Coupe 4.9 V8 (142 Hp) Automatic & BYD Tang II (facelift 2021) EV 90.3 kWh (228 Hp) & BMW 8 Series (G15) 840i (333 Hp) xDrive Steptronic
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| Brand: | Buick | BYD | BMW |
| Model: | Regal | Tang | 8 Series |
| Generation: | Regal II Coupe | Tang II (facelift 2021) | 8 Series (G15) |
| Engine / modification: | 4.9 V8 (142 Hp) Automatic | EV 90.3 kWh (228 Hp) | 840i (333 Hp) xDrive Steptronic |
| Production start: | 1978 year | 2022 year | 2020 year |
| Production end: | 1987 year | ||
| Coupe type: | Coupe | Coupe | |
| Powertrain Architecture: | BEV (Electric Vehicle) | ||
| Num. of Doors: | 2 | 5 | 2 |
| Num. of seats: | 5 | 6-7 | 4 |
| Fuel consumption / economy - urban: | 13.8 l/100 km | ||
| Fuel consumption / economy - extra urban: | 9.4 l/100 km | ||
| Fuel consumption / economy - combined: | 11.8 l/100 km | ||
| Fuel Type: | Petrol (Gasoline) | Electricity | Petrol (Gasoline) |
| Drag coefficient: | 0.47 | 0.30 | |
| Fuel tank volume: | 68 l | 68 l | |
| Emission standard: | EURO VI | Euro 6d | |
| CO2 emissions: | 107 g/km | ||
| Power: | 142 hp | 333 hp | |
| Max power in: | 4000 rpm. | 5500-6250 rpm. | |
| Maximum speed: | 160 km/h | 250 km/h | |
| Acceleration from 0 to 100 km/h: | 14.9 sec | 4.9 sec | |
| Torque: | 325 Nm @ 1800 rpm. | 500 Nm @ 1700-4000 rpm. | |
| Engine position: | Front, longitudinal | Front axle, Transverse | Front, longitudinal |
| Engine displacement: | 4942 cm3 | 2998 cm3 | |
| Engine oil capacity: | 6.5 l | ||
| Fuel System: | Carburettor | Direct injection | |
| Position of cylinders: | V engine | Inline | |
| Valvetrain: | DOHC, Ti-VCT | VALVETRONIC | |
| Number of cylinders: | 8 | 6 | |
| Number of valves per cylinder: | 2 | 4 | |
| Compression ratio: | 8.2 | 11 | |
| Piston Stroke: | 76.2 mm | 94.6 mm | |
| Cylinder Bore: | 101.6 mm | 82 mm | |
| Electric motor power: | 228 | ||
| Electric motor Torque: | 350 Nm | ||
| System power: | 228 Hp hp/ rpm. | ||
| System torque: | 350 Nm Nm/ rpm. | ||
| Wheel Drive: | Front wheel drive | Front wheel drive | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 3 Hydramatic | 8 Steptronic | |
| Number of Gears (manual transmission): | 5 | ||
| Length: | 5080 mm | 4900 mm | 4843 mm |
| Width: | 1781 mm | 1950 mm | 1902 mm |
| Width with mirrors folded: | 1783 mm | ||
| Width including mirrors: | 1941 mm | ||
| Height: | 1356 mm | 1725 mm | 1341 mm |
| Wheelbase: | 2746 mm | 2820 mm | 2822 mm |
| Front track: | 1486 mm | 1650 mm | 1627 mm |
| Rear (Back) track: | 1468 mm | 1630 mm | 1642 mm |
| Ride height(clearance): | 121 mm | ||
| Minimum volume of Luggage (trunk): | 462 l | 420 l | |
| Maximum amount of Luggage (trunk): | 1093 l | ||
| Front suspension: | Independent, spring | Independent type McPherson | Double wishbone |
| Rear suspension: | Suspension De-Dion | Multi-link independent | |
| Max weight: | 1600 kg | 2280 kg | |
| Front brakes: | Disc | Ventilated discs | Ventilated discs |
| Rear brakes: | Drum | Ventilated discs | Ventilated discs |
| Kerb Weight: | 1543 kg | 1795 kg | |
| ABS: | yes | ||
| Steering type: | Cone worm with recirculation balls | Steering rack and pinion | |
| Power steering: | Electric Steering | Electric Steering | Electric Steering |
| Max. roof load: | 50 kg | 75 kg | |
| Minimum turning circle (turning diameter): | 12.8 m | 11.8 m | 11.9 m |
| Tire size: | 195/75 R14 | 255/50 R20 | Front wheel tires: 245/45 R18 100Y XL |
| Wheel rims size: | R14 | 20 | Front wheel rims: 8J x 18 |