Opel 20N, Engine
| Engine capacity | 1,979 cm³ |
| Maximum power (range), hp | 90 |
| Maximum torque, N*m (kg*m) at rpm. | 142 (14) / 3400 |
| Fuel used | Petrol |
| Engine type | In-line, 4-cylinder |
| Additional engine information | Carburetor |
| Maximum power, hp (kW) at rpm | 90 (66) / 5200 |
| Compression Ratio (Range) | 8 |
| Cylinder diameter (range), mm | 95 |
| Piston stroke (range), mm | 69.8 |
| Valve drive | SOHC |
| Number of valves per cylinder (range) | 2 |