2014 Mitsubishi Mirage with best-in-class fuel efficiency Brand Mitsubishi The new 2014 Mitsubishi Mirage is the most fuel-efficient non-hybrid gasoline car acquirable in United States. The 5-door sub-compact has a approximated fuel economy of 40 mpg combined/37 mpg city/44 mpg highway. The 2014 Mitsubishi Mirage... By Car Division, 1 April, 2013