The 2006 Toyota Sequoia is available as a 4-door, 7-seat sport utility. Starting at $41,855, the 2006 Toyota Sequoia Limited 4x2 is powered by a 4.7L , 8 -cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 18-mpg on the highway. The top of the line 2006ToyotaSequoiaSR5 4x4 , priced at $ 36,305 , is powered by a 4.7L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 17-mpg on the highway.