The 2021 Acura RDX is available as a 4-door, 5-seat sport utility. Starting at $40,400, the 2021 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 2021 Acura RDX PMC Edition AWD, priced at $51,000, is powered by a 2.0L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated