Fiat 120.000, Engine
| Engine capacity | 499 cm³ |
| Maximum power (range), hp | 18 |
| Maximum torque, N*m (kg*m) at rpm. | 35 (4) / 3500 |
| Fuel used | Petrol |
| Engine type | In-line, 2-cylinder |
| Maximum power, hp (kW) at rpm | 18 (13) / 4000 |
| Compression Ratio (Range) | 7.1 |
| Cylinder diameter (range), mm | 67.4 |
| Piston stroke (range), mm | 70 |
| Number of valves per cylinder (range) | 2 |