The 2025 GMC Acadia AT4 is a midsize SUV that combines rugged off-road capability with upscale amenities. It is the most capable Acadia ever, thanks to its standard all-wheel drive, two-speed transfer case, and hill descent control. The AT4 also features unique styling cues, such as a blacked-out grille, 17-inch wheels, and all-terrain tires.
The Acadia AT4 is powered by a 3.6-liter V6 engine that produces 310 horsepower and 271 lb-ft of torque. This engine is paired with a nine-speed automatic transmission. The AT4 has a maximum towing capacity of 4,000 pounds and a payload capacity of 1,500 pounds.