The 2013 Acura MDX is a 4-door, 7-passenger luxury sport-utility, available in 5 trims, ranging from the 6-Spd AT. The 2013 Acura MDX 6-Spd AT w/Advance and Entertainment Pkg.The 2013 Acura MDX upon introduction, both trims are equipped with a standard 3.7-liter, V6, 300-horsepower engine that achieves 16-mpg in the city and 21-mpg on the highway. The 2013 Acura MDX 6-speed automatic transmission with overdrive is standard.The new 2013 Acura MDX has fast speed engine to run.