This outstanding example of a 2026 GMC Sierra 2500HD AT4 is offered by Hall Buick GMC. This GMC includes: TRAILER TIRE PRESSURE MONITOR SENSORS Tire Pressure Monitor COASTAL DUNE HIGH IDLE SWITCH EMISSIONS, FEDERAL REQUIREMENTS REAR AXLE, 3.42 RATIO TRANSMISSION, 10-SPEED AUTOMATIC A/T 10-Speed A/T LPO, HITCH PACKAGE Tow Hitch MAX TRAILERING PACKAGE ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE Diesel Fuel 8 Cylinder Engine Turbocharged AT4 PREMIUM PLUS PACKAGE Generic Sun/Moonroof Sun/Moonroof Running Boards/Side Steps TIRES, LT275/65R20 Tires - Rear On/Off Road Tires - Front On/Off Road GVWR, 11,750 LBS Note - For third party subscriptions or services, please contact the dealer for more information. You appreciate the finer things in life, the vehicle you drive should not be the exception. Style, performance, sophistication is in a class of its own with this stunning GMC Sierra 2500HD AT4. Simply put, this Four Wheel Drive is engineered with higher standards. Enjoy improved traction and safety while driving this 4WD GMC Sierra 2500HD AT4. The GMC Sierra 2500HD AT4 will provide you with everything you have always wanted in a car -- Quality, Reliability, and Character.