The 2019 Audi A3 is available as a 4-door, 5-seat sedan. Starting at $32,500, the 2019 Audi A3 FWD Sedan is powered by a 2.0L , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 26-mpg in the city and 35-mpg on the highway. The top of the line 2019AudiA3Titanium FWD Sedan , priced at $ 33,300 , is powered by a 2.0L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 26-mpg in the city and 35-mpg on the highway.