Contact Legacy Buick GMC today for information on dozens of vehicles like this 2025 GMC Sierra 2500HD AT4. This GMC includes: LPO, HITCH PACKAGE Tow Hitch GVWR, 11,350 LBS TRANSMISSION, ALLISON 10-SPEED AUTOMATIC A/T 10-Speed A/T LPO, BODY COLOR WHEEL ARCH MOLDINGS AT4 PREMIUM PLUS PACKAGE Generic Sun/Moonroof Sun/Moonroof Running Boards/Side Steps LPO, HARD FOLDING TRUCK BED COVER BY REALTRUCK ADVANTAGE Pickup Bed Tonneau Cover TIRES, LT275/65R20 Tires - Rear On/Off Road Tires - Front On/Off Road ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE Diesel Fuel 8 Cylinder Engine Turbocharged GOOSENECK / 5TH WHEEL PREP PACKAGE ALTERNATORS, DUAL, 220-AMPS PRIMARY, 170-AMPS AUXILIARY *Note - For third party subscriptions or services, please contact the dealer for more information.* There's a level of quality and refinement in this GMC Sierra 2500HD AT4 that you won't find in your average vehicle. When GMC created this vehicle with 4 wheel drive, they immediately enhanced the performance ability. Easily switch between two and four wheel drive to take advantage of the improved traction. You can finally stop searching... You've found the one you've been looking for. Dealer Disclosure: Prices do not include state and local tax, title, license, notarial fees, convenience fees, documentary fees, and any finance charges. All prices, specifications and availability subject to change without notice. Contact dealer for most current information .Not available with special finance, lease and some other offers.