The 2008 Subaru Impreza is available as a 4-door, 5-seat sedan. Starting at $19,495, the 2008 Subaru Impreza 2.5i w/Premium Pkg/VDC (A4) Sedan 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 27-mpg on the highway. The top of the line 2008SubaruImprezaWRX w/SIRIUS/Navi Pkg/VDC (M5) Sedan , priced at $ 28,450 , 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 24-mpg on the highway.