The 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. For 2012, all Tundras have standard heavy-duty battery, heavy-duty starter, windshield wiper de-icer, daytime running lights (DRL), front and rear mudguards, and heated, power, outside mirrors. All Tundra grade models feature standard styled steel wheels for 2012. The Tundra DoubleCab and CrewMax models offer an optional Chrome Package that includes chromed exhaust top, side mirrors, door handles and chrome-clad 18-inch steel wheels.
Click the attached link below to view the complete factory technical specifications of the 2012 Toyota Tundra in .pdf format.