The 2010 Acura RDX is available as a 4-door, 5-seat sport utility. Starting at $32,520, the 2010 Acura RDX FWD is powered by a 2.3L , 4 -cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 24-mpg on the highway. The top of the line 2010AcuraRDXw/Technology Package FWD , priced at $ 35,620 , is powered by a 2.3L , 4 - cylinder engine mated to an automatic transmission that returns an EPA estimated 19-mpg in the city and 24-mpg on the highway.