| engine type | Original performance | Performance after tuning | Vmax | More efficient | price |
|---|---|---|---|---|---|
| 2.7 DFI | 155 kW (211 hp) 280Nm | 217 KW (285 hp) 300Nm | * | 74 hp | 599€ |
| 2.7 DFI | 195 kW (265 hp) 280Nm | 217 kW (285 hp) 300Nm | * | 20 hp | 599€ |
| 3.4 DFI S | 232 kW (315 hp) 360Nm | 250 kW (340 hp) 380Nm | * | 25 hp | 599€ |
| 3.4 DFI S | 239 kW (325 hp) 370Nm | 250 kW (340 hp) 390Nm | * | 15 hp | 599€ |
| 3.4 DFI GTS | 243 kW (330 hp) 370Nm | 257 kW (350 hp) 390Nm | * | 20 hp | 599€ |
| 3.8 DFI Spyder | 276 kW (375 hp) 420Nm | 294 kW (400 hp) 440Nm | * | 25 hp | 699€ |