High Quality Content by WIKIPEDIA articles! The Toyota Prius c (c stands for "city"), named the Toyota Aqua in Japan, is a full hybrid gasoline-electric subcompact hatchback produced by Toyota Motor Corporation. The Prius c is the third member of the Prius family, and combines the features of a Yaris-sized car with a hybrid powertrain. The Prius c is priced lower than the conventional Prius and has a higher fuel economy in city driving under United States Environmental Protection Agency test cycles. The Prius c is ranked by the EPA as the 2012 most fuel efficient compact car when plug-in electric vehicles are excluded.