The 2010 Subaru Forester is available as a 4-door, 5-seat sport utility. Starting at $20,295, the 2010 Subaru Forester 2.5X (M5) is powered by a 2.5L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 20-mpg in the city and 27-mpg on the highway. The top of the line 2010SubaruForester2.5X Premium (A4) , priced at $ 23,795 , is powered by a 2.5L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 26-mpg on the highway.