| engine type | Original performance | Performance after tuning | Vmax | More efficient | price |
|---|---|---|---|---|---|
| 2.0T | 200 kW (272 hp) 350Nm | 221 kW (300 hp) 450Nm | * | 28 hp | 599 |
| 2.8 V6 | 155 kW (211 hp) 246Nm | 167 kW (227 hp) 270Nm | * | 16 hp | 599 |
| 3.0 V6 | 202 kW (276 hp) 302Nm | 217 kW (300 hp) 321Nm | * | 24 hp | 599 |
| 3.6 V6 | 234 kW (318 hp) 373Nm | 257 kW (350 hp) 405Nm | * | 32 hp | 599 |
| 5.7 LS6 | 298 kW (406 hp) 529Nm | 441 kW (440 hp) 590Nm | * | 34 hp | 699 |
| 6.2 V8 | 415 kW (564 hp) 747Nm | 441 kW (600 hp) 800Nm | * | 36 hp | 799 |