| engine type | Original performance | Performance after tuning | Vmax | More efficient | price |
|---|---|---|---|---|---|
| 3.5 | 235 kW (319 hp) 520Nm | 250 kW (340 hp) 540Nm | * | 21 hp | 699€ |
| 4.4 biturbo V8 | 368 kW (500 hp) 700Nm | 426 kW (580 hp) 790Nm | * | 80 hp | 749€ |
| 4.4 biturbo V8 | 373 kW (507 hp) 700Nm | 441 kW (600 hp) 800Nm | * | 93 hp | 799€ |