Citroën G11/631, Engine
| Engine capacity | 1,129 cm³ |
| Maximum power (range), hp | 56 |
| Maximum torque, N*m (kg*m) at rpm. | 78 (8) / 3500 |
| Fuel used | Petrol |
| Engine type | Horizontally opposed, 4-cylinder |
| Maximum power, hp (kW) at rpm | 56 (41) / 5750 |
| Compression Ratio (Range) | 9 |
| Cylinder diameter (range), mm | 74 |
| Piston stroke (range), mm | 65.6 |
| Number of valves per cylinder (range) | 2 |