The 2019 Audi RS 5 is available as a 2-door, 4-seat coupe. Starting at $74,200, the 2019 Audi RS 5 quattro Coupe is powered by a 2.9L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 27-mpg on the highway. The top of the line 2019 Audi RS 5 quattro Sportback, priced at $74,200, is powered by a 2.9L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 26-mpg on the highway.