| engine type | Original performance | Performance after tuning | Vmax | More efficient | price |
|---|---|---|---|---|---|
| 4.0 V8 | 266 kW (363 hp) 505Nm | 293 kW (398 hp) 535Nm | * | 35 hp | 799 |
| 4.2 V8 | 291 kW (396 hp) 540Nm | 326 kW (443 hp) 630Nm | * | 47 hp | 799 |
| 5.0 V8 | 404 KW (550 HP) 680Nm | 438 KW (595 hp) 720Nm | * | 44 hp | 899 |