2026 GMC Sierra 2500

Meet the 2026 GMC Sierra 2500HD SLT, a powerful Crew Cab diesel truck engineered for serious work and refined comfort. This gray four-wheel-drive machine combines the legendary Duramax 6.6L V8 Turbodiesel engine with premium appointments, including Dark Walnut and Slate leather, to deliver both capability and sophistication on every drive. - Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic transmission - 4WD with 2-Speed Active Transfer Case - Heated and ventilated leather seats with 10-way power adjustable driver seat - Premium Bose audio system with Apple CarPlay and Android Auto integration - Advanced safety suite: Automatic Emergency Braking, Lane Departure Warning, Rear Cross Traffic Alert - Bed View Camera with trailer provisions and HD Surround Vision - Wireless charging and smartphone projection - Adaptive Cruise Control with Following Distance Indicator - Spray-on bedliner with GMC logo and gooseneck/fifth-wheel prep - Power rear window and premium LED lighting throughout The SLT trim prioritizes capability with trailer-specific technology including hitch guidance and in-vehicle trailering app integration. This truck stands ready to handle your toughest jobs while surrounding you with comfort and connectivity. Schedule your test drive today and experience the perfect blend of hard-working durability and refined luxury. 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!.