The 2008 Acura RL is available as a 4-door, 5-seat sedan. Starting at $46,280, the 2008 Acura RL Base is powered by a 3.5L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 24-mpg on the highway. The top of the line 2008 Acura RL Hawaii Only, priced at $49,165, is powered by a 3.5L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 24-mpg on the highway.