Alfa Romeo AR 30558, Engine
| Engine capacity | 1,712 cm³ |
| Maximum power (range), hp | 105 - 110 |
| Maximum torque, N*m (kg*m) at rpm. | 149 (15) / 4500 |
| Fuel used | Petrol |
| Engine type | Horizontally opposed, 4-cylinder |
| Maximum power, hp (kW) at rpm | 105 (77) / 5500 |
| Number of valves per cylinder (range) | 2 |