The 2017 Audi A5 is a 2-door, 4-seat Coupe, available in 3 trims, ranging from the (M6) quattro Coupe to the quattro Cabriolet. Upon introduction, the $41,200 (M6) quattro Coupe is equipped with a standard 2.0L, 4-cylinder, engine that achieves 23-mpg in the city and 32-mpg on the highway. a Manual transmission is standard. The $48,600 quattro Cabriolet is equipped with a standard 2.0L, 4-cylinder, engine that achieves 21-mpg in the city and 29-mpg on the highway. an Automatic transmission is standard.