The 2010 MKS is a 4-door, 5-passenger luxury sedan, available in 3 trims, ranging from the 3.7L FWD to the 3.5L with EcoBoost AWD. Upon introduction, the 3.7L FWD is equipped with a standard 3.7-liter, V6, 270-horsepower engine that achieves 17-mpg in the city and 24-mpg on the highway. The 3.5L with EcoBoost AWD is equipped with a standard 3.5-liter, V6, 355-horsepower, turbo engine that achieves 17-mpg in the city and 25-mpg on the highway. A 6-speed automatic transmission with overdrive is standard on both trims. The 2010 MKS is a carryover from 2009.