▁ ▁The ▁▁ 3 . 2   L ▁V 8 ▁from ▁the ▁previous ▁model ▁was ▁replaced ▁by ▁the ▁ 3 . 0   L ▁V 6 ▁from ▁the ▁X - Type ▁and ▁S - Type . ▁The ▁V 6 ▁powers ▁the ▁X J 6 , ▁while ▁the ▁X J 8 ▁was ▁power ed ▁by ▁a ▁naturally ▁asp ir ated ▁V 8 . ▁The ▁X J R ▁was ▁power ed ▁by ▁a ▁super charg ed ▁ 4 . 2   L ▁V 8 . ▁The ▁X J 6 ▁and ▁the ▁X J ▁T D V i ▁are ▁the ▁only ▁X 3 5 0 ▁models ▁not ▁sold ▁in ▁the ▁Amer icas . ▁ ▁In ▁ 2 0 0 5 , ▁J agu ar ▁introduced ▁the ▁dies el - power ed ▁X J ▁T D V i , ▁featuring ▁the ▁same ▁Ford - Pe uge ot - develop ed ▁ 2 . 7 - lit re ▁tw in - t ur bo charg ed ▁V 6 ▁found ▁in ▁the ▁S - Type . ▁The ▁engine , ▁known ▁as ▁the ▁A J D - V 6 , ▁is ▁r ated ▁at ▁ ▁and ▁ ▁of ▁tor que , ▁and ▁was ▁fitted ▁with ▁electron ically ▁controlled ▁active ▁engine ▁mount s ▁to ▁minim ise ▁v ibration ▁at ▁idle . ▁ ▁Both ▁X 3 5 0 ▁and ▁X 3 5 8 ▁used ▁a ▁six - speed ▁automatic ▁transmission ▁manufact ured ▁by ▁Z F ▁Friedrich sh afen . ▁ ▁North ▁American ▁X J ▁models ▁were ▁equ ipped ▁with ▁the ▁ ▁naturally