The 2003 Volvo S80 is available as a 4-door, 5-seat sedan. Starting at $36,455, the 2003 Volvo S80 2.9 is powered by a 2.9L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 28-mpg on the highway. The top of the line 2003 Volvo S80 T6 SR Fleet, priced at $43,935, is powered by a 2.9L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 26-mpg on the highway.