An unexpected 10,000-mile owner review of the GMC Sierra EV reveals why this truck is both a road trip hero and an unlikeable ...

Witness the pinnacle of off-road prowess. This custom-built GMC Sierra 2500 AT4X redefines overland capability with incredible features and design.

Appearing in showrooms for the 2026 model year, GMC has expanded the Terrain lineup to now include the more capable AT4 and more luxurious Denali trims.