2018 Audi S4
The 2018 Audi S4 is available as a 4-door, 5-seat sedan. Starting at $51,400, the 2018 Audi S4 3.0T Premium Plus is powered by a 3.0L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 21-mpg in the city and 30-mpg on the highway.
