Citroën A79/1, Engine
| Engine capacity | 435 cm³ |
| Maximum power (range), hp | 23 |
| Maximum torque, N*m (kg*m) at rpm. | 35 (4) / 3750 |
| Fuel used | Petrol |
| Engine type | horizontally opposed, 2-cylinder |
| Maximum power, hp (kW) at rpm | 23 (17) / 6750 |
| Compression Ratio (Range) | 8.5 |
| Number of valves per cylinder (range) | 2 |