The 2013 Toyota Tundra is offered in three grades (Tundra, Limited and Platinum), three cab styles (Regular, Double Cab and Crew Max), three wheelbase lengths (126.8, 145.7 and 164.6 inches, depending on model and configuration) and three bed lengths (78.7, 97.6 and for CrewMax only, 66.7-inches). The hard-working, hard-playing Tundra offers three engine choices, a 270-horsepower 4.0-liter V6, a 310-horsepower 4.6-liter V8, and the 5.7-liter V8 with 381 horsepower.