(August 28, 2021) LOVELAND, Colo. — GMC has revealed its Canyon AT4 OVRLANDX concept truck at Overland Expo Mountain West 2021, exploring GMC’s vision for its growing lineup of premium yet capable trucks and SUVs. Building on the capability of Canyon AT4, the concept further elevates Canyon’s off-road credibility by showing how it could be customized for an overlanding enthusiast.