A subcompact car 's an automobile in a North American vehicle size class, encompassing vehicles smaller than compact cars (usually not exceeding 165 inches in length). According to the United States Environmental Protection Agency (EPA), a passenger car's classified as subcompact if it's between and of interior volume. Many contemporary subcompacts sold in North America fall into the supermini category (as defined by Euro NCAP) in Europe. In North America, this type of car was first seen in the… (More on Subcompact)