XJ6 series I/II/III Sedan (1968-1987)
| Type | Motorcode | Kw | Pk | Van | Tot |
|---|---|---|---|---|---|
| 2.8 Series I | 132 | 180 | 10-1968 | 10-1973 | |
| 3.4 Series II/III | XK(3.4) | 119 | 162 | 05-1975 | 10-1986 |
| 4.2 Series I | 7L | 137 | 186 | 10-1969 | 05-1975 |
| 4.2 Series II | 8L | 127 | 173 | 01-1975 | 12-1979 |
| 4.2 Series II/III | XK(4.2) | 150 | 204 | 09-1979 | 12-1987 |
| 4.2 Series III USA | XK(4.2) | 133 | 181 | 09-1985 | 12-1986 |
