Fiat 149 C2.046, Engine
| Engine capacity | 1,756 cm³ |
| Maximum power (range), hp | 90 |
| Maximum torque, N*m (kg*m) at rpm. | 128 (13) / 3250 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 8.5 |
| Engine type | In-line, 4-cylinder |
| Maximum power, hp (kW) at rpm | 90 (66) / 6000 |
| Compression Ratio (Range) | 9.5 |
| Cylinder diameter (range), mm | 84 |
| Piston stroke (range), mm | 79.2 |
| Valve drive | DOHC |
| Number of valves per cylinder (range) | 2 |