When you want to go off-road, uptown-style, GMC supports ... While each truck has its own flavor of AT4 styling, they have much in common, including all-wheel or 4-wheel drive, rugged exterior ...

So far, only one engine has ever been available with this trim of the truck ... lump offers a boost of 65 horsepower and 77 pound-feet over the 5.3-liter. GMC’s decision not to include the ...

Premium trucks ... plow, GMC drivers can crank up the front end to level the chassis. And speaking of winter chores, the premium trim 4WD Denali and AT4 models have an all-wheel drive mode called ...

76 GMC 4x4 pickup. And yes, all four wheels push this truck to a best of 4.95 in the eighth. Bobby was always a truck guy, but his racing bent was in the mud. He got so good at it that he won an ...

Engine, 2.9L DOHC 4-cylinder SFI (185 hp [137.9 kW] @ 5600 rpm), 190 lb-ft [263.2 Nm] @ 2800 rpm) (STD) (Upgradeable to (LLR) 3.7L DOHC 5-cylinder engine. Refer to the Engine and Axle section for ...