This 2019 GMC AT4 is already a great looking and performing truck from the factory. Under the hood is the tried and true 6.2L V8 pumping out 420 HP & mated to a 10-speed automatic gearbox. This particular AT4 has been taken to the next level by the folks at Dick Norris GMC with an additional 6in lift, custom wheels, tires, and other exterior modifications. Has this 2019 GMC AT4 been taking to the next level?