The 2016 Mazda Mazda3 is available as a 4-door, 5-seat sedan. Starting at $17,845, the 2016 Mazda Mazda3 i Sport (M6) Sedan is powered by a 2.0L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 29-mpg in the city and 41-mpg on the highway. The top of the line 2016MazdaMazda3s Grand Touring (A6) Hatchback , priced at $ 26,495 , is powered by a 2.5L , 4 - cylinder engine that returns an EPA estimated 27-mpg in the city and 39-mpg on the highway.