New for the 2023 model year, the “standard” GMC Sierra AT4X benefits from the addition of select American Expedition Vehicles (AEV) tidbits to further increase its off-road prowess. Now, for AT4X ...

Perhaps it’s a weakness that we need to modify and tinker with every rig we own, but the fact remains that with a little more lift we can add larger tires for better on- and off-highway performance.