( http://www.TFLcar.com ) The 2014 Toyota Tundra is all new and ready to go back to work. The new third generation of Toyota's big pick-up debuted at the Chicago Auto Show. The big news is that the 2014 Toyota Tundra now comes in 5 different model flavors. There will be five different grades for the 2014 Toyota Tundra, starting with the base SR and moving on up with the SR5, the Limited and two Premium grades in the Platinum and 1794 Edition. Cab styles will include a two-door Regular Cab, four-door Double Cab and four-door CrewMax, all available in either a 4×2 and 4×4. Under the hood there are three available powertrains. The first is the 4.0-liter DOHC V6 which comes standard on Tundra Regular and Double Cab models. It produces 270 horsepower and 278 lb.-ft. peak torque paired with a five-speed automatic transmission with uphill/downhill shift logic.