Comparison of BMW 8 Series Gran Coupe (G16) 850i V8 xDrive Steptronic and BMW M8 Convertible Competition 4.4 V8 xDrive Steptronic [S]ave
| Attribute |  BMW 8 Series Gran Coupe (G16) 850i V8 xDrive Steptronic × |  BMW M8 Convertible Competition 4.4 V8 xDrive Steptronic × |
|---|---|---|
| General | ||
| Make | BMW | BMW |
| Model | 8 Series | M8 |
| Generation | 8 Series Gran Coupe (G16) | M8 Convertible |
| Modification | 850i V8 xDrive Steptronic | Competition 4.4 V8 xDrive Steptronic |
| Website | https://www.bmw.com | https://www.bmw.com |
| Number of doors | 4 | 2 |
| Number of seats | 5 | 4 |
| Body type | Coupe | Cabriolet |
| Transmission | automatic steptronic | automatic m steptronic |
| Number of gears | 8 | 8 |
| Production from (year) | 2019 | 2019 |
| Performance | ||
| Top speed (km/h) | 250 | 250 |
| Acceleration 0-100 km/h (s) | 3.9 | 3.3 |
| City consumption (l/100km) | 13.7 | 15.1 |
| Extra-urban consumption (l/100km) | 7.7 | 7.9 |
| Combined consumption (l/100km) | 9.9 | 10.6 |
| CO2 emissions (g/km) | 226 | 241 |
| Emission standard | EURO VId-Temp | EURO VI d-TEMP |
| Drive | ||
| Drive | All wheel drive (4x4) | All wheel drive (4x4) |
| Position of engine | Front,ongitudinal | Front,ongitudinal |
| Fuel | Petrol (Gasoline) | Petrol (Gasoline) |
| Max. power (hp) | 530 | 625 |
| Max. torque (Nm) | 750 | 750 |
| Fuel Engine | ||
| Number of cylinders | 8 | 8 |
| Cylinders arrangement | V engine | V engine |
| Valves per cylinder | 4 | 4 |
| Engine displacement (cm³) | 4,395 | 4,395 |
| Compression ratio | 10.5 | 10 |
| Max. power @ rpm (rpm) | 5,500 | 6,000 |
| Max. torque @ rpm (rpm) | 1,800 | 1,800 |
| Cylinder bore (mm) | 89 | 89 |
| Piston stroke (mm) | 88.3 | 88.3 |
| Fuel system | Direct injection | Direct injection |
| Valve control | Valvetronic | - |
| Turbine | Twin-power turbo | Twin-power turbo |
| Fuel tank (l) | 68 | 68 |
| Engine oil capacity (l) | 10.5 | 10 |
| Chassis | ||
| ABS | + | + |
| Front wheel suspension | Double wishbone | Double wishbone |
| Rear wheel suspension | Multi-link independent | Multi-link independent |
| Steering type | Steering rack | Steering rack |
| Power steering | Electric Steering | Electric Steering |
| Front brakes | Ventilated discs | Ventilated discs |
| Rear brakes | Ventilated discs | Ventilated discs |
| Tires size |
|
|
| Turning radius (m) | - | 12.2 |
| Dimensions | ||
| Length (mm) | 5,082 | 4,867 |
| Width (mm) | 1,932 | 1,907 |
| Height (mm) | 1,407 | 1,353 |
| Wheelbase (mm) | 3,023 | 2,827 |
| Kerb weight (kg) | 1,995 | 2,010 |
| Gross weight (kg) | 2,600 | 2,440 |
| Maximum boot space (l) | 440 | 350 |
| Max. roof load (kg) | 75 | - |
| Front track (mm) | 1,627 | 1,627 |
| Rear track (mm) | 1,671 | 1,632 |
| Drag coefficient (Cd) | 0.29 | - |
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