The Mitsubishi Lancer Evolution X is the tenth and final generation of the Lancer Evolution, a sports sedan produced by Japanese manufacturer Mitsubishi Motors. By September 2005, Mitsubishi introduced a concept version of the next-gen Evolution at the 39th Tokyo Motor Show named the Concept-X, designed by Omer Halilhodžić at the company's European design centre. Mitsubishi unveiled a second concept car, the Prototype-X, at the 2007 North American International Auto Show (NAIAS).