Fiat 124 AC.040, Engine
| Engine capacity | 1,438 cm³ |
| Maximum power (range), hp | 90 |
| Maximum torque, N*m (kg*m) at rpm. | 108 (11) / 3600 |
| Fuel used | Gasoline AI-92 |
| Engine type | In-line, 4-cylinder |
| Additional engine information | Carburetor |
| Maximum power, hp (kW) at rpm | 90 (66) / 6500 |
| Compression Ratio (Range) | 8.9 |
| Cylinder diameter (range), mm | 80 |
| Piston stroke (range), mm | 71.5 |
| Valve drive | DOHC |
| Number of valves per cylinder (range) | 2 |