Porsche M31.70, Engine
| Engine capacity | 1,984 cm³ |
| Maximum power (range), hp | 245 - 375 |
| Maximum torque, N*m (kg*m) at rpm. | 335 (34) / 5500 |
| Fuel used | Gasoline AI-98 |
| Engine type | In-line, 4-cylinder |
| Additional engine information | distributed fuel injection |
| Maximum power, hp (kW) at rpm | 245 (180) / 6250 |
| Compression Ratio (Range) | 7.1 - 8 |
| Cylinder diameter (range), mm | 86.5 |
| Piston stroke (range), mm | 84.4 |
| Supercharger | Turbine |
| Valve drive | SOHC |
| Number of valves per cylinder (range) | 2 |