| engine type | Original performance | Performance after tuning | Vmax | More efficient | price |
|---|---|---|---|---|---|
| 0.9 TwinAir | 63 kW (85 hp) 145Nm | 71 kW (97 hp) 170Nm | * | 12 hp | 420 |
| 1.2 | 44 kW (60 hp) 104Nm | 50 kW (68 hp) 114Nm | * | 8 hp | 420 |
| 1.2 | 59 kW (80 hp) 114Nm | 65 kW (88 hp) 125Nm | * | 8 hp | 420 |
| 1.3 16V | 51 kW (69 hp) 180Nm | 68 kW (92 hp) 255Nm | * | 23 hp | 420 |
| 1.3 16V | 55 kW (75 hp) 190Nm | 71 kW (97 hp) 235Nm | * | 22 hp | 420 |
| 1.3 16V | 66 kW (90 hp) 200Nm | 82 kW (112 hp) 245Nm | * | 22 hp | 420 |
| 1.3 MJet | 70 kW (95 hp) 200Nm | 88 kW (120 hp) 250Nm | * | 25 hp | 420 |
| 1.3 16V | 77 kW (105 hp) 200Nm | 96 kW (131 hp) 245Nm | * | 26 hp | 420 |
| 1.4 | 57 kW (77 hp) 140Nm | 63 kW (85 hp) 160Nm | * | 8 hp | 420 |
| 1.4 16V | 70 kW (95 hp) 128Nm | 81 kW (110 hp) 140Nm | * | 15 hp | 420 |