1. GMC is enhancing the Sierra HD AT4X for 2024, focusing on increased off-roading power and exceptional towing capacity.
2. The 2024 Sierra HD AT4X is expected to have the most trailering technology in its class, capable of towing up to 18,500 pounds.
3. The Sierra HD AT4X is being equipped to cater to the growing demand in the off-roading segment and the frequent towing needs of heavy-duty truck owners.
4. GMC is introducing an extreme off-roading version from AEV for the 2024 Sierra HD AT4X.
5. The new model features a tablet-style 13.4-inch-diagonal infotainment touchscreen, a 12.3-inch-diagonal configurable driver information center, and a 15-inch-diagonal head-up display.
6. The 2024 Sierra HD AT4X includes an Off-Road Mode which optimizes the vehicle's performance when off-roading.
7. A special AT4X AEV Edition is being introduced, featuring upgraded stamped steel bumpers, front winch capability, and heavy-duty steel skid plates.
8. The Sierra HD AT4X offers the choice between a standard 6.6L gas engine and a 6.6L Duramax Turbo-Diesel, capable of delivering 470 horsepower and 975 lb.-ft. of torque.
9. The new AT4X offers various trailering assistance technologies, such as Transparent Trailer View for Gooseneck and Fifth Wheel Trailering, Trailer Side Blind Zone Alert, and Adaptive Cruise Control with Trailering.
5. It features 35-inch Goodyear Wrangler Duratrac tires and approximately 1 inch of suspension lift for improved ground clearance.