Comparison of BMW M8 Convertible 4.4 V8 xDrive Steptronic and Porsche Panamera Sport Turismo Turbo 4.0 V8 4x4 PDK [S]ave
| Attribute |  Porsche Panamera Sport Turismo Turbo 4.0 V8 4x4 PDK × |  BMW M8 Convertible 4.4 V8 xDrive Steptronic × |
|---|---|---|
| General | ||
| Make | Porsche | BMW |
| Model | Panamera | M8 |
| Generation | Panamera Sport Turismo | M8 Convertible |
| Modification | Turbo 4.0 V8 4x4 PDK | 4.4 V8 xDrive Steptronic |
| Website | https://www.porsche.com/ | https://www.bmw.com |
| Number of doors | 5 | 2 |
| Number of seats | 5 | 4 |
| Body type | Station wagon (estate) | Cabriolet |
| Transmission | automatic pdk | automatic m steptronic |
| Number of gears | 8 | 8 |
| Production from (year) | 2019 | 2019 |
| Performance | ||
| Top speed (km/h) | 304 | 250 |
| Acceleration 0-100 km/h (s) | 3.8 | 3.4 |
| City consumption (l/100km) | 14.7 | 15.2 |
| Extra-urban consumption (l/100km) | 8.3 | 7.9 |
| Combined consumption (l/100km) | 10.6 | 10.6 |
| CO2 emissions (g/km) | 243 | 241 |
| Emission standard | EURO VId-TEMP-EVAP-ISC | 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) | 550 | 600 |
| Max. torque (Nm) | 770 | 750 |
| Fuel Engine | ||
| Number of cylinders | 8 | 8 |
| Cylinders arrangement | V engine | V engine |
| Valves per cylinder | 4 | 4 |
| Engine displacement (cm³) | 3,996 | 4,395 |
| Compression ratio | - | 10 |
| Max. power @ rpm (rpm) | 5,750 | 6,000 |
| Max. torque @ rpm (rpm) | 2,000 | 1,800 |
| Cylinder bore (mm) | - | 89 |
| Piston stroke (mm) | - | 88.3 |
| Fuel system | Direct injection | Direct injection |
| Turbine | BiTurbo | Twin-power turbo |
| 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 |
| Steering type | Steering rack | Steering rack |
| Power steering | Electric Steering | Electric Steering |
| Front brakes | Ventilated discs, 410 | Ventilated discs |
| Rear brakes | Ventilated discs, 380 | Ventilated discs |
| Tires size |
|
|
| Turning radius (m) | - | 12.2 |
| Dimensions | ||
| Length (mm) | 5,049 | 4,867 |
| Width (mm) | 1,937 | 1,907 |
| Height (mm) | 1,432 | 1,353 |
| Wheelbase (mm) | 2,950 | 2,827 |
| Kerb weight (kg) | 2,035 | 2,010 |
| Gross weight (kg) | 2,610 | 2,440 |
| Maximum boot space (l) | - | 350 |
| Front track (mm) | 1,657 | 1,627 |
| Rear track (mm) | 1,639 | 1,632 |
| Drag coefficient (Cd) | 0.34 | - |
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