The 2002 Audi A6 is available as a 4-door, 5-seat sedan. Starting at $35,400, the 2002 Audi A6 FWD Front Trak Sedan 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 25-mpg on the highway. The top of the line 2002 Audi A6 quattro Quattro Station Wagon, priced at $38,350, is powered by a 3.0L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 25-mpg on the highway.