The 2020 Toyota Prius Prime is available as a 5-door, 5-seat hatchback. Starting at $27,900, the 2020 Toyota Prius Prime LE is powered by a 1.8L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated The top of the line 2020 Toyota Prius Prime Limited, priced at $33,800, is powered by a 1.8L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated