The Subaru Impreza WRX five-door hatchback (known as the Impreza S-GT in Japan) features a turbocharged 2.0-liter version of the Subaru boxer-4, and it produces 248 horsepower at 6,000 rpm. When this car is introduced to the U.S. this fall as a 2008 model, it will have a 2.5-liter iteration of this engine that produces about 225 hp and 226 pound-feet of torque.
