http://www.edmunds.com/apps/nvc/edmu...78&styleId0=If you are looking at the '08 Models...The Lexus IS 250 comes in AWD and RWD with 204hpIf you want a faster IS get the 350 which is RWD and 306hp.The Acura TSX is FWD with 205hpThe link above, you can compare them side to side.