The AT4 does have the skid plates that you would find on an off-road version of the Sierra of yesteryear, but it is also equipped with off-road-ready features like a 2-inch factory lift kit ...

For off-roading fans, the GMC Sierra AT4 delivers thanks to enhanced, trail-ready capability and a rugged, aggressive design. Highlights of the factory setup include a two-inch lift, all-terrain ...

Right off the bat, it makes sense that the Max Trailering package is not offered for the Sierra AT4 or AT4X trim levels, as both of these variants seek to maximize off-road performance and ...

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This GMC Sierra 3500HD delivers a sturdy engine powering this Automatic transmission ... stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness).

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The crew cab with the standard bed remains our Sierra 2500HD configuration of choice. While the rugged AT4 and chrome-laden Denali models are appealing, we believe there are better and more cost ...

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$10,999 $216.98/month est.