Upon introduction, the GS is equipped with a standard 2.4-liter, I4, 162-horsepower engine that achieves 20-mpg in the city and 28-mpg on the highway. A 5-speed manual transmission with overdrive is standard, and a 4-speed automatic transmission with overdrive is optional. The GT is equipped with a standard 3.8-liter, V6, 265-horsepower engine that achieves 16-mpg in the city and 26-mpg on the highway. A 6-speed manual transmission with overdrive is standard, and a 5-speed automatic transmission with overdrive is optional.