The 2019 Acura RDX is available as a 4-door, 5-seat sport utility. Starting at $39,400, the 2019 Acura RDX Base AWD is powered by a 2.0L , 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 2019AcuraRDXAdvance Package FWD , priced at $ 45,500 , is powered by a 2.0L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 28-mpg on the highway.