The 2016 Toyota Prius c is available as a 5-door, 5-seat hatchback. Starting at $19,560, the 2016 Toyota Prius c One is powered by a 1.5L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 53-mpg in the city and 46-mpg on the highway. The top of the line 2016 Toyota Prius c Persona Series, priced at $21,355, is powered by a 1.5L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 53-mpg in the city and 46-mpg on the highway.