| Engine | Power Original | Power with Tuning | Vmax | Difference | Price |
|---|---|---|---|---|---|
| 618S 7.4 | 168 kW (228 hp) | 210 kW (286 hp) + Nm | * | + 58 hp | 850€ |
| RG1100 8.4 | 252 kW (343 hp) 1455Nm | 333 kW (453 hp) 1820Nm | * | + 110 hp | 850€ |
| RG1300 8.4 | 276 kW (375 hp) 1539Nm | 346 kW (470 hp) 1925Nm | * | + 95 hp | 850€ |
| RG645 7.4 | 153 kW (208 hp) | 191 kW (260 hp) + Nm | * | + 52 hp | 850€ |
| RG655 7.4 | 167 kW (227 hp) | 209 kW (284 hp) + Nm | * | + 57 hp | 850€ |
| RG900 8.4 | 228 kW (310 hp) 1310Nm | 288 kW (392 hp) 1638Nm | * | + 82 hp | 850€ |