Mitsubishi has used the name twice previously , first as the marque of a series of kei cars and subcompact cars in the 1960s , and then as the export version of the Mitsubishi Mirage hatchback in the 1980s and 1990s . It was first introduced as a series of kei cars and subcompact cars in the 1960s , and then as the export version of the Mitsubishi Mirage hatchback in the 1980s and 1990s .