When you want to go off-road, uptown-style, GMC supports that vision with a rugged line of trucks and SUVs packaged under the AT4 label, or All-Terrain 4WD. These mighty vehicles are off-road ...
There’s also a soft-roader AT4 variant of the Terrain with standard ... There are also a slew of dealer-installed features including black GMC emblems, a black nameplate kit, an illuminated ...