GM Authority recently spotted a GMC Sierra HD cruising down the highway sporting a variety of interesting modifications, ...

GMC takes the AT4X from off-road capable to overland-ready with production equipment from American Expedition Vehicles.

Welcome to the ultimate destination for car enthusiasts! Whether you're into powerful supercars, off-road monsters, ...

Introduction - Find the best GMC Sierra HD deals! The big trucks are getting meaner. The market is increasingly flooded with aggressive rigs offering an increasing focus on extreme power and extreme ...

If the Chevrolet Silverado HD ZR2 Bison isn’t posh enough, consider the all-new 2024 GMC Sierra HD AT4X AEV Edition. We headed to the Xoverland Ranch in Montana to put the heavy-duty off-roader ...

And I do mean big. Joining the GMC AT4/AT4X hardcore off-road family in the 2024 model year is the Sierra HD AT4X, which includes the Sierra HD AT4X AEV Edition outfitted by American Expedition ...

GMC's latest pickup will tow where no GMC pickup has towed before. The 2024 GMC Sierra 2500HD AT4X is a new, high-performance off-road version of the heavy-duty model. The AT4X is engineered to ...

If you plan on hitting some single-track trails in your GMC Sierra, look no further than the Sierra HD AT4X AEV Edition. With a set of stamped steel bumpers including integrated recovery points ...

Following the recent debut of the Chevrolet Silverado HD ZR2 lineup, General Motors is ready to show off GMC’s take on the heavy-duty off-road segment. The brand’s AT4X moniker now expands to ...

The new AT4X variant of GMC’s 2024 Sierra HD pickup series officially joins the stable this week, giving pickup truck box-checkers yet another off-road trim to chase. Well, two trims ...

GMC is blending its off-road AT4X trim level with its Sierra HD pickup truck and adding in some aftermarket AEV treatments as well. The results are two of the most capable and luxurious heavy-duty ...