The 2005 Toyota Tundra is available as a 2-door, 3-seat regular side. Starting at $16,055, the 2005 Toyota Tundra (M6) 4x2 Regular Cab is powered by a 4.0L , 6 -cylinder engine mated to a manual transmission that returns an EPA estimated 16-mpg in the city and 20-mpg on the highway. The top of the line 2005ToyotaTundraSR5 V8 (A5) 4x2 Access Cab , priced at $ 24,235 , is powered by a 4.7L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 18-mpg on the highway.