The 2008 Volvo S80 is available as a 4-door, 5-seat sedan. Starting at $38,705, the 2008 Volvo S80 FWD is powered by a 3.2L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 24-mpg on the highway. The top of the line 2008VolvoS80V8 AWD , priced at $ 49,210 , is powered by a 4.4L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 23-mpg on the highway.