Contact Hall Buick GMC today for information on dozens of vehicles like this 2026 GMC Sierra 3500HD AT4. This GMC includes: REAR AXLE, 3.42 RATIO 3 YEARS ONSTAR ONE Telematics Requires Subscription ONYX BLACK AT4 PREMIUM PLUS PACKAGE Generic Sun/Moonroof Sun/Moonroof GVWR, 12,100 LBS TIRES, LT275/65R20 Tires - Rear On/Off Road Tires - Front On/Off Road LPO, HITCH PACKAGE Tow Hitch TRANSMISSION, 10-SPEED AUTOMATIC A/T 10-Speed A/T HIGH IDLE SWITCH EMISSIONS, FEDERAL REQUIREMENTS GOOSENECK / 5TH WHEEL PREP PACKAGE Tow Hitch TRAILER TIRE PRESSURE MONITOR SENSORS Tire Pressure Monitor 3 YEARS SIRIUSXM Satellite Radio Requires Subscription ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE Diesel Fuel 8 Cylinder Engine Turbocharged 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 3500HD AT4. This GMC Sierra 3500HD AT4 comes equipped with 4 wheel drive, which means no limitations as to how or where you can drive. Different terrains and varying weather conditions will have no effect as to how this vehicle performs. This is the one. Just what you've been looking for.
