The 2012 Toyota Tundra is available as a 2-door, 3-seat regular side. Starting at $27,365, the 2012 Toyota Tundra Grade V6 (A5) 4x2 Double Cab is powered by a 4.0L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 20-mpg on the highway. The top of the line 2012ToyotaTundra4x4 Regular Cab Long Bed , priced at $ 30,680 , 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.