High Quality Content by WIKIPEDIA articles! The Mitsubishi i (三菱・i, Mitsubishi i?) is a kei car from Japanese automaker Mitsubishi Motors, first released in January 2006, twenty eight months after its debut at the 2003 Frankfurt Motor Show. It is the first four door automobile since the 1960s to employ a "rear midship" setup with the engine behind the passengers, in an attempt to improve safety and interior space without enlarging the overall exterior.