The 2015 Volvo S80 is available as a 4-door, 5-seat sedan. Starting at $40,500, the 2015 Volvo S80 FWD is powered by a 2.0L , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 25-mpg in the city and 37-mpg on the highway. The top of the line 2015VolvoS80Platinum AWD , priced at $ 49,300 , is powered by a 3.0L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 28-mpg on the highway.