| petrol | |
| diesel | |
| alcohol based | |
| gas (LPG, CNG) | |
| steam | |
| electricity |

2-door 2-seat V8 16v 5.7L OHV M-5 257.3 kW / 345.0 hp / 345.0 hp 475.0 N·m / 350.3 lb·ft / 350.3 lb·ft | Ultima GTR (2000) |
S6 6.3L 393.0 kW / 527.0 hp / 527.0 hp 716.0 N·m / 528.1 lb·ft / 528.1 lb·ft | Ultima GTR (2001) |
S6 6.3L 393.0 kW / 527.0 hp / 527.0 hp 716.0 N·m / 528.1 lb·ft / 528.1 lb·ft | Ultima GTR (2002) |
S6 6.3L 393.0 kW / 527.0 hp / 527.0 hp 716.0 N·m / 528.1 lb·ft / 528.1 lb·ft | Ultima GTR (2003) |
S6 6.3L 393.0 kW / 527.0 hp / 527.0 hp 716.0 N·m / 528.1 lb·ft / 528.1 lb·ft | Ultima GTR (2004) |
S6 6.3L 393.0 kW / 527.0 hp / 527.0 hp 716.0 N·m / 528.1 lb·ft / 528.1 lb·ft | Ultima GTR (2005) |
2-seat V8 5.7L M-5 265.0 kW / 355.4 hp / 355.4 hp 549.2 N·m / 405.1 lb·ft / 405.1 lb·ft | Ultima Spyder (2000) |