Fiat 156 A4.000, Engine
| Engine capacity | 770 cm³ |
| Maximum power (range), hp | 34 |
| Maximum torque, N*m (kg*m) at rpm. | 57 (6) / 3000 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 5.6 |
| Engine type | In-line, 4-cylinder |
| Maximum power, hp (kW) at rpm | 34 (25) / 5200 |
| Compression Ratio (Range) | 9.4 |
| Cylinder diameter (range), mm | 65 |
| Piston stroke (range), mm | 68 |
| Number of valves per cylinder (range) | 2 |