The 2013 Acura RDX is available as a 4-door, 5-seat sport utility. Starting at $35,720, the 2013 Acura RDX 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 2013AcuraRDXw/Technology Package FWD , priced at $ 38,020 , 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.