The 2018 Toyota Tundra is available as a 4-door, 5-seat regular side. Starting at $31,320, the 2018 Toyota Tundra SR 4.6L 4x2 Double Cab is powered by a 4.6L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 19-mpg on the highway. The top of the line 2018 Toyota Tundra 1794 5.7L 4x4 CrewMax, priced at $50,330, is powered by a 5.7L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated 13-mpg in the city and 17-mpg on the highway.