The 2008 Acura RL is a 4-door, 5-passenger luxury sedan, available in 3 trims, ranging from the Sedan to the CMBS/PAX Package. Upon introduction, both trims are equipped with a standard 3.5-liter, V6, 290-horsepower engine that achieves 16-mpg in the city and 24-mpg on the highway. A 5-speed automatic transmission with overdrive is standard. The 2008 Acura RL is a carryover from 2007.