Audi BYH, Engine
| Engine capacity | 4,163 cm³ |
| Maximum power (range), hp | 420 |
| Maximum torque, N*m (kg*m) at rpm. | 430 (44) / 4500 |
| Fuel used | Gasoline AI-98 |
| Fuel consumption, l/100 km | 13.3 - 14.6 |
| Engine type | V-shaped, 8-cylinder |
| Additional engine information | Direct fuel injection |
| Maximum power, hp (kW) at rpm | 420 (309) / 7800 |
| Compression Ratio (Range) | 12.5 |
| Cylinder diameter (range), mm | 84.5 |
| Piston stroke (range), mm | 92.8 |
| Mechanism for changing cylinder volume | |
| Number of valves per cylinder (range) | 4 |
| Start-stop system |