The 2019 Mazda Mazda3 is available as a 4-door, 5-seat sedan. Starting at $21,000, the 2019 Mazda Mazda3 FWD Sedan is powered by a 2.5L , 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 2019MazdaMazda3w/Premium Package AWD i-ACTIV AWD Hatchback , priced at $ 28,900 , is powered by a 2.5L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 24-mpg in the city and 32-mpg on the highway.