The 2008 Subaru Outback is available as a 4-door, 5-seat wagon. Starting at $23,595, the 2008 Subaru Outback 2.5i (M5) is powered by a 2.5L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 19-mpg in the city and 26-mpg on the highway. The top of the line 2008SubaruOutback3.0R L.L. Bean Edition w/Nav (A5) , priced at $ 33,495 , is powered by a 3.0L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 24-mpg on the highway.