2015 Audi S6
The 2015 Audi S6 is available as a 4-door, 5-seat sedan. Starting at $75,500, the 2015 Audi S6 4.0T is powered by a 4.0L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 27-mpg on the highway.
