The AT4 and Denali trim levels are being added to the 2026 GMC Terrain lineup, and GM Authority has exclusively uncovered ...

GM has deleted the Mud Terrain tire option on the 2025 GMC Canyon AT4, leaving the rugged midsize pickup truck only with All Terrain tires.

GMC Terrain introduces new trims and features, offering better technology, off-road capabilities, and luxury options at a ...

An optional 420-horsepower, 6.2-liter V-8 engine is now available on the AT4 trim level ... and this big SUV rides well. The Denali trim level is expensive, but its interior is different ...