The 2017 Acura MDX is available as a 4-door, 7-seat sport utility. Starting at $46,050, the 2017 Acura MDX AWD is powered by a 3.5L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 26-mpg on the highway. The top of the line 2017AcuraMDXw/Advance & Entertainment Pkgs FWD , priced at $ 56,500 , is powered by a 3.5L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 27-mpg on the highway.