直列4気筒
Mitsubishi introduced the Lancer Evolution IX in Japan on March 3, 2005, and exhibited the car at the Geneva Motor Show for the European market the same day. The North American markets saw the model exhibited at the New York International Auto Show the following month. The 4G63 Inline-four engine has MIVEC technology (variable valve timing), and a revised turbocharger design boosting official power output at the crankshaft to and torque to .