http://www.concordmitsubishi.com 888-834-2140 GS Sport is equipped with a standard 2.4-liter, I4, 162-horsepower engine that achieves 19-mpg in the city and 26-mpg on the highway. A 4-speed automatic transmission with overdrive is standard. The GT is equipped with a standard 3.8-liter, V6, 265-horsepower engine that achieves 16-mpg in the city and 24-mpg on the highway. A 5-speed automatic transmission with overdrive is standard.