2026 GMC Sierra 2500

Meet the 2026 GMC Sierra 2500HD Denali Ultimate, a premium heavy-duty pickup engineered for those who demand capability without compromise. Finished in striking Black with luxurious Alpine Umber Leather, this Crew Cab Standard Bed combines rugged performance with refined comfort. Powered by the legendary Duramax 6.6L V8 Turbodiesel and mated to a smooth 10-Speed Automatic transmission, this 4WD truck delivers the power and efficiency serious truck owners expect. **Key Features:** - Duramax 6.6L V8 Turbodiesel engine with 10-Speed Automatic - 4WD with 2-Speed Active Transfer Case - Heated and Ventilated leather seats with 16-way power adjusters - Premium Bose 12-Speaker audio system with Apple CarPlay/Android Auto - Advanced safety: Automatic Emergency Braking, Lane Departure Warning, Rear Cross Traffic Alert - HD Surround Vision with Bed View Camera and Trailer Camera Provisions - Multicolor 15 Head-Up Display with Hitch Guidance - Off-Road Suspension with Hill Descent Control - Wireless charging and power moonroof - Denali Ultimate grille with LED lighting and 20 ultra-bright machined wheels This Sierra represents the pinnacle of diesel truck ownershipcombining next-generation technology, exceptional towing capability, and the refined touches that make every mile enjoyable. The Sierra 2500HD Denali Ultimate is ready to work as hard as you do, whether hauling, towing, or simply commanding the road with presence and power. Why buy from Greg Lair GMC? It's a great question with an even better answer! We've been a local fixture in the Panhandle for over 40 years, putting customers from Amarillo and the Panhandle first every single day. We set ourselves apart as the home of the FREE Lifetime Powertrain Warranty on all inventory under 100,000 miles. From our hassle-free buying process to our thorough multi-point inspections by Certified GM Technicians, we make sure your next vehicle is safe, reliable, and ready for the road. Stop by today and see the Greg Lair difference for yourself!.