The 2007 Honda Civic Si Sedan draws its power from the same 2.0-liter, dual overhead cam, 16-valve, i-VTEC four-cylinder engine as found in the Si Coupe, cranking out 197 horsepower at 7,800 rpm and 139 lb.-ft. of torque at 6,100 rpm. Power goes to the front wheels through a six-speed manual transmission, and a limited slip differential is standard. EPA ratings for the Si coupe are 22 mpg city and 31 mpg highway, and one can expect the new sedan to mirror those figures.