The 2016 Mazda CX-9 is available as a 4-door, 7-seat sport utility. Starting at $33,320, the 2016 Mazda CX-9 Sport AWD is powered by a 2.5L , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 21-mpg in the city and 27-mpg on the highway. The top of the line 2016MazdaCX-9Sport FWD , priced at $ 31,520 , is powered by a 2.5L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 28-mpg on the highway.