Discover the ultimate in power, capability, and premium style with the 2026 GMC Sierra 2500HD Denali. This exceptional heavy-duty pickup is engineered to conquer any task, whether you're towing a heavy trailer, navigating rugged terrain, or seeking uncompromising luxury.- Power-Retractable Assist Steps with LED Perimeter Lighting- Duramax 6.6L V8 Turbodiesel Engine with 470 HP and 975 lb-ft of Torque- Denali Reserve Package with Sunroof and Technology Package- Black Badging Package for a Striking AppearanceClimb inside and experience the unparalleled comfort and convenience of the Sierra 2500HD Denali. The cabin is appointed with premium Forge Perforated Leather-Appointed Front Seats, heated and ventilated for year-round comfort. The Bose Premium 7-Speaker Sound System delivers an immersive audio experience, while the Multicolor 15"" Diagonal Head-Up Display keeps critical information in your line of sight.Towing and hauling are a breeze thanks to the Gooseneck/5th Wheel Prep Package, which includes a hitch platform to accept a gooseneck or 5th wheel trailer. The Sierra's suite of advanced trailering technologies, including Trailer Cam Provisions and Trailer Viewing Software, provide seamless control and visibility.Whether tackling tough jobs or enjoying a luxurious weekend getaway, the 2026 GMC Sierra 2500HD Denali is the ultimate expression of power, capability, and refinement. Experience it for yourself at Southwest Buick GMC Lawton.Why Buy from Southwest Buick GMC LawtonSouthwest Buick GMC makes car buying straightforward with true transparent pricing, no hidden fees, and no market adjustments. We offer strong trade-in values and a wide selection of new Buick and GMC models, certified pre-owned options, and quality used vehicles. We'll buy your car even if you don't purchase from us. Proudly serving drivers in Lawton, Duncan, Chickasha, Elgin, Wichita Falls, Norman, OKC, and surrounding areas. Shop online or stop by today for a dealership experience built on honesty and efficiency. Price includes: $2000 - Bonus Cash. Exp. 06/30/2026 Price includes dealer added accessories.