Alpina N55R20A, Engine
| Engine capacity | 2,979 cm³ |
| Maximum power (range), hp | 410 - 440 |
| Maximum torque, N*m (kg*m) at rpm. | 600 (61) / 4000 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 7.9 - 9.2 |
| Engine type | In-line, 6-cylinder |
| Maximum power, hp (kW) at rpm | 410 (302) / 6250 |
| Compression Ratio (Range) | 10.2 |
| Cylinder diameter (range), mm | 84 |
| Piston stroke (range), mm | 89.6 |
| Supercharger | Twin turbocharging |
| CO₂ emissions (range), g/km | 177 - 209 |
| Valve drive | DOHC |
| Number of valves per cylinder (range) | 4 |
| Start-stop system |