The 2005 Volvo S80 is available as a 4-door, 5-seat sedan. Starting at $36,365, the 2005 Volvo S80 2.5T FWD is powered by a 2.5L, 5-cylinder engine mated to an automatic transmission that returns an EPA estimated 21-mpg in the city and 30-mpg on the highway. The top of the line 2005 Volvo S80 SR w/Premium Package AWD, priced at $41,135, is powered by a 2.5L, 5-cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 26-mpg on the highway.