The 2020 Acura MDX is available as a 4-door, 7-seat sport utility. Starting at $46,500, the 2020 Acura MDX Base (A9) AWD is powered by a 3.5L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 26-mpg on the highway. The top of the line 2020AcuraMDXPMC Edition AWD , priced at $ 61,750 , is powered by a 3.5L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 25-mpg on the highway.