Fiat 156 A2.100, Engine
| Engine capacity | 999 cm³ |
| Maximum power (range), hp | 44 |
| Maximum torque, N*m (kg*m) at rpm. | 76 (8) / 2750 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 7.3 |
| Engine type | In-line, 4-cylinder |
| Maximum power, hp (kW) at rpm | 44 (32) / 5000 |
| Compression Ratio (Range) | 9.8 |
| Cylinder diameter (range), mm | 70 |
| Piston stroke (range), mm | 64.9 |
| Number of valves per cylinder (range) | 2 |