| engine type | Original performance | Performance after tuning | Vmax | More efficient | price |
|---|---|---|---|---|---|
| 5.7 | 250 kW (340 hp) 365Nm | 272 kW (370 hp) 395Nm | * | 30 hp | 799 |
| LS1 | 249 kW (338 hp) 360Nm | 270 kW (368 hp) 390Nm | * | 30 hp | 799 |
| 6.0 | 300 kW (400 hp) 542Nm | 318 kW (433 hp) 575Nm | * | 33 hp | 799 |
| LS2 | 299 kW (406 hp) 538Nm | 322 kW (439 hp) 570Nm | * | 33 hp | 799 |