| engine type | Original performance | Performance after tuning | Vmax | More efficient | price |
|---|---|---|---|---|---|
| 5.7 V8 | 252 kW (344 hp) 483Nm | 279 kW (379hp) 499Nm | * | 35 hp | 699 |
| 6.0 C6 | 297 kW (404 hp) 546Nm | 323 kW (439 hp) 595Nm | * | 35 hp | 699 |
| 6.2 V8 | 316 kW (430 hp) | 335 kW (455 hp) + 60Nm | * | 25 hp | 699 |
| 6.2 C7 V8 | 343 KW (466 HP) 630Nm | 361 KW (491 hp) 660Nm | * | 25 hp | 799 |
| 6.2 V8 | 469 kW (638 hp) | 496 kW (675 hp) + 70Nm | * | 37 hp | 799 |
| 6.2 V8 | 476 kW (647 hp) 823Nm | 500 kW (680 hp) 875Nm | * | 33 hp | 799 |
| 7.0 V8 | 371 kW (505 hp) | 397 kW (540 hp) + 60Nm | * | 35 hp | 699 |
| 7.0 C6 V8 | 156 kW (513 hp) 637Nm | 403 kW (548 hp) 710Nm | * | 35 hp | 699 |