Comparison of BMW M8 Convertible Competition 4.4 V8 xDrive Steptronic and Porsche Panamera Sport Turismo Turbo 4.0 V8 4x4 PDK [S]ave
| Attribute |  BMW M8 Convertible Competition 4.4 V8 xDrive Steptronic × |  Porsche Panamera Sport Turismo Turbo 4.0 V8 4x4 PDK × |
|---|---|---|
| General | ||
| Make | BMW | Porsche |
| Model | M8 | Panamera |
| Generation | M8 Convertible | Panamera Sport Turismo |
| Modification | Competition 4.4 V8 xDrive Steptronic | Turbo 4.0 V8 4x4 PDK |
| Website | https://www.bmw.com | https://www.porsche.com/ |
| Number of doors | 2 | 5 |
| Number of seats | 4 | 5 |
| Body type | Cabriolet | Station wagon (estate) |
| Transmission | automatic m steptronic | automatic pdk |
| Number of gears | 8 | 8 |
| Production from (year) | 2019 | 2019 |
| Performance | ||
| Top speed (km/h) | 250 | 304 |
| Acceleration 0-100 km/h (s) | 3.3 | 3.8 |
| City consumption (l/100km) | 15.1 | 14.7 |
| Extra-urban consumption (l/100km) | 7.9 | 8.3 |
| Combined consumption (l/100km) | 10.6 | 10.6 |
| CO2 emissions (g/km) | 241 | 243 |
| Emission standard | EURO VI d-TEMP | EURO VId-TEMP-EVAP-ISC |
| 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) | 625 | 550 |
| Max. torque (Nm) | 750 | 770 |
| Fuel Engine | ||
| Number of cylinders | 8 | 8 |
| Cylinders arrangement | V engine | V engine |
| Valves per cylinder | 4 | 4 |
| Engine displacement (cm³) | 4,395 | 3,996 |
| Compression ratio | 10 | - |
| Max. power @ rpm (rpm) | 6,000 | 5,750 |
| Max. torque @ rpm (rpm) | 1,800 | 2,000 |
| Cylinder bore (mm) | 89 | - |
| Piston stroke (mm) | 88.3 | - |
| Fuel system | Direct injection | Direct injection |
| Turbine | Twin-power turbo | BiTurbo |
| Fuel tank (l) | 68 | - |
| Engine oil capacity (l) | 10 | - |
| Chassis | ||
| ABS | + | + |
| Front wheel suspension | Double wishbone | Double wishbone |
| Rear wheel suspension | Multi-link independent | Multi-link independent |
| 1↑Steering type | Steering rack | Steering rack |
| Power steering | Electric Steering | Electric Steering |
| Front brakes | Ventilated discs | Ventilated discs, 410 |
| Rear brakes | Ventilated discs | Ventilated discs, 380 |
| Tires size |
|
|
| Turning radius (m) | 12.2 | - |
| Dimensions | ||
| Length (mm) | 4,867 | 5,049 |
| Width (mm) | 1,907 | 1,937 |
| Height (mm) | 1,353 | 1,432 |
| Wheelbase (mm) | 2,827 | 2,950 |
| Kerb weight (kg) | 2,010 | 2,035 |
| Gross weight (kg) | 2,440 | 2,610 |
| Maximum boot space (l) | 350 | - |
| Front track (mm) | 1,627 | 1,657 |
| Rear track (mm) | 1,632 | 1,639 |
| Drag coefficient (Cd) | - | 0.34 |
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