The 2010 Acura RL is available as a 4-door, 5-seat sedan. Starting at $54,250, the 2010 Acura RL w/CMBS 50 State is powered by a 3.7L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 22-mpg on the highway. The top of the line 2010 Acura RL Hawaii Only, priced at $50,450, is powered by a 3.7L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 22-mpg on the highway.