The 2016 Acura RDX is available as a 4-door, 5-seat sport utility. Starting at $36,870, the 2016 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 28-mpg on the highway. The top of the line 2016 Acura RDX w/Advance Package FWD, priced at $42,020, 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 29-mpg on the highway.