Alfa Romeo AR 37203, Engine
| Engine capacity | 1,598 cm³ |
| Maximum power (range), hp | 105 |
| Maximum torque, N*m (kg*m) at rpm. | 140 (14) / 4200 |
| Fuel used | Gasoline AI-95 |
| Fuel consumption, l/100 km | 8.1 |
| Engine type | In-line, 4-cylinder |
| Additional engine information | Twin Spark (two spark plugs per cylinder) |
| Maximum power, hp (kW) at rpm | 105 (77) / 5600 |
| Compression Ratio (Range) | 10.3 |
| Number of valves per cylinder (range) | 4 |