▁X J 6 ▁( since ▁the ▁engines ▁have ▁six ▁cyl ind ers ), ▁while ▁the ▁ 4 . 2 - lit re ▁V 8 ▁pet rol ▁engine ▁mounted ▁in ▁the ▁S over eign ▁results ▁in ▁that ▁model ▁being ▁known ▁as ▁the ▁X J 8 . ▁ ▁Also ▁notice ▁that ▁the ▁model ▁list ▁for ▁the ▁UK ▁does ▁not ▁include ▁the ▁ 3 . 5 - lit re ▁V 8 ▁engine ▁available ▁in ▁Germany , ▁for ▁example . ▁ ▁Germany : ▁ ▁From ▁May ▁ 2 0 0 7 , ▁the ▁following ▁models ▁were ▁available ▁in ▁Germany : ▁▁ ▁X J 6 ▁ 2 . 7 - lit re ▁Dies el ▁Classic ▁ ▁X J 6 ▁ 2 . 7 - lit re ▁Dies el ▁Executive ▁ ▁X J 6 ▁ 3 - lit re ▁Executive ▁ ▁X J 8 ▁ 3 . 5 - lit re ▁Executive ▁ ▁X J 8 ▁ 4 . 2 - lit re ▁Executive ▁ ▁X J 6 ▁ 2 . 7 - lit re ▁Dies el ▁S over eign ▁ ▁X J 8 ▁ 3 . 5 - lit re ▁S over eign ▁ ▁X J 8 ▁ 4 . 2 - lit re ▁S over eign ▁ ▁X J R ▁ 4 . 2 - lit re ▁V 8 ▁Kom press or ▁( i . e . ▁the ▁super charg ed ▁V 8 ▁variant ) ▁ ▁Da im ler ▁Super ▁E ight ▁ ▁North ▁America : ▁From ▁May ▁ 2 0 0 7 , ▁the ▁following ▁X