Comparison BMW 8 Series Gran Coupe (G16) M850i V8 (530 Hp) xDrive Steptronic & Buick LaCrosse II 3.6 V6 (303 Hp) AWD Automatic
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| Brand: | BMW | Buick |
| Model: | 8 Series | LaCrosse |
| Generation: | 8 Series Gran Coupe (G16) | LaCrosse II |
| Engine / modification: | M850i V8 (530 Hp) xDrive Steptronic | 3.6 V6 (303 Hp) AWD Automatic |
| Production start: | 2019 year | 2012 year |
| Production end: | 2020 year | 2013 year |
| Coupe type: | Coupe | Sedan |
| Powertrain Architecture: | Internal Combustion engine | |
| Num. of Doors: | 4 | 4 |
| Num. of seats: | 5 | 5 |
| Fuel consumption / economy - urban: | 13.7-13.9 l/100 km | |
| Fuel consumption / economy - extra urban: | 7.7-7.8 l/100 km | |
| Fuel consumption / economy - combined: | 9.9-10 l/100 km | |
| Fuel Type: | Petrol (Gasoline) | Petrol (Gasoline) |
| Drag coefficient: | 0.29 | |
| Fuel tank volume: | 68 l | 74.0 l |
| Emission standard: | Euro 6d-Temp | |
| CO2 emissions: | 226-229 g/km | |
| Power: | 530 hp | 303 hp |
| Max power in: | 5500-6000 rpm. | 6800 rpm. |
| Maximum speed: | 250 km/h | |
| Acceleration from 0 to 100 km/h: | 3.9 sec | |
| Torque: | 750 Nm @ 1800-4600 rpm. | 358 Nm @ 5300 rpm. |
| Model Engine: | N63B44 | LFX |
| Engine position: | Front, longitudinal | |
| Engine displacement: | 4395 cm3 | 3564 cm3 |
| Engine oil capacity: | 10.5 l | 5.7 l |
| Coolant: | 7.1 l | |
| Fuel System: | Direct injection | |
| Aspiration / Turbine: | Twin-power turbo | Naturally aspirated engine |
| Position of cylinders: | V engine | |
| Valvetrain: | VALVETRONIC | DOHC, CVVT |
| Number of cylinders: | 8 | 6 |
| Number of valves per cylinder: | 4 | 4 |
| Compression ratio: | 10.5 | 11.5 |
| Piston Stroke: | 88.3 mm | 85.6 mm |
| Cylinder Bore: | 89 mm | 94 mm |
| Wheel Drive: | All wheel drive (4x4) | All wheel drive (4x4) |
| Number of Gears (automatic transmission): | 8 Steptronic | |
| Length: | 5082 mm | 5003 mm |
| Width: | 1932 mm | 1858 mm |
| Width including mirrors: | 2137 mm | |
| Height: | 1407 mm | 1503 mm |
| Wheelbase: | 3023 mm | 2837 mm |
| Front track: | 1627 mm | 1567 mm |
| Rear (Back) track: | 1671 mm | 1576 mm |
| Front overhang: | 953 mm | |
| Rear overhang: | 1106 mm | |
| Maximum amount of Luggage (trunk): | 440 l | 376 l |
| Front suspension: | Double wishbone | |
| Rear suspension: | Multi-link independent | |
| Max weight: | 2600 kg | |
| Front brakes: | Ventilated discs | |
| Rear brakes: | Ventilated discs | |
| Kerb Weight: | 1995 kg | 1903 kg |
| ABS: | yes | |
| Steering type: | Steering rack and pinion | Steering rack and pinion |
| Power steering: | Electric Steering | Hydraulic Steering |
| Max. roof load: | 75 kg | |
| Minimum turning circle (turning diameter): | 11.75 m | |
| Permitted trailer load with brakes (12%): | 454 kg | |
| Tire size: | 245/35 R20 95Y XL; 275/30 R20 97Y XL | 245/45 R18; 245/40 R19 |
| Wheel rims size: | 8J x 20; 9J x 20 |