The 2017 Acura RDX is available as a 4-door, 5-seat sport utility. Starting at $37,170, the 2017 Acura RDX Base 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 27-mpg on the highway. The top of the line 2017AcuraRDXAdvance Package FWD , priced at $ 42,320 , 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 28-mpg on the highway.