Contact Legacy Buick GMC today for information on dozens of vehicles like this 2026 GMC Sierra 2500HD Denali Ultimate. This GMC includes: LPO, HARD FOLDING TRUCK BED COVER BY REALTRUCK ADVANTAGE Pickup Bed Tonneau Cover TRANSMISSION, 10-SPEED AUTOMATIC (STD) A/T 10-Speed A/T GVWR, 11,350 LBS LPO, BODY COLOR WHEEL ARCH MOLDINGS GOOSENECK / 5TH WHEEL PREP PACKAGE STERLING METALLIC LPO, 22 Aluminum Wheels ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE Diesel Fuel 8 Cylinder Engine Turbocharged ALTERNATORS, DUAL, 220-AMPS PRIMARY, 170-AMPS AUXILIARY *Note - For third party subscriptions or services, please contact the dealer for more information.* Today's luxury vehicle is not just about opulence. It's about a perfect balance of performance, comfort and attention to detail. This 2026 GMC Sierra 2500HD Denali Ultimate is the perfect example of the modern luxury. Simply put, this Four Wheel Drive is engineered with higher standards. Enjoy improved traction and safety while driving this 4WD GMC Sierra 2500HD Denali Ultimate. This is the one. Just what 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.