| Vehicle | Engine volumecm3 | Engine model | Engine type | PowerkW/Hp | Release date | Details |
|---|---|---|---|---|---|---|
| Sovereign 2.8 | cm3 2791 | Petrol | kW/Hp 110/149 | 1969 - 1975 | ||
| Sovereign 3.4 | cm3 3442 | XK | Petrol | kW/Hp 120/163 | 1975 - 1978 | |
| Sovereign 4.2 | cm3 4235 | 7L, XK 4.2 ( -79), XK 4.2 (82-87) | Petrol | kW/Hp 137/186 | 1969 - 1973 | |
| Sovereign 4.2 | cm3 4235 | 7L, XK 4.2 ( -79), XK 4.2 (82-87) | Petrol | kW/Hp 124/169 | 1976 - 1979 | |
| Sovereign 4.2 | cm3 4235 | 7L, XK 4.2 ( -79), XK 4.2 (82-87) | Petrol | kW/Hp 127/173 | 1973 - 1979 | |
| Sovereign 4.2 | cm3 4235 | 7L, XK 4.2 ( -79), XK 4.2 (82-87) | Petrol | kW/Hp 151/205 | 1979 - 1986 | |
| Double Six / Vanden 5.3 | cm3 5344 | 7P10, 7P40 | Petrol | kW/Hp 198/269 | 1972 - 1973 | |
| Double Six / Vanden 5.3 | cm3 5344 | 7P10, 7P40 | Petrol | kW/Hp 186/253 | 1973 - 1975 | |
| Double Six 5.3 | cm3 5344 | V 12 (75-79), 7P, V 12 (90-93) | Petrol | kW/Hp 211/287 | 1975 - 1981 | |
| Double Six H.E. 5.3 | cm3 5344 | V 12 (82-90) | Petrol | kW/Hp 217/295 | 1981 - 1986 | |
| Double Six 5.3 | cm3 5344 | V 12 (75-79), 7P, V 12 (90-93) | Petrol | kW/Hp 194/264 | 1986 - 1993 |