2026 GMC Sierra 2500

Meet the 2026 GMC Sierra 2500HD SLT in Gray with Jet Black Leather interiora powerful crew cab standard bed truck built for serious work and capability. This new 4WD diesel powerhouse features the legendary Duramax 6.6L V8 Turbodiesel engine paired with a smooth 10-speed automatic transmission, delivering the torque and reliability professionals demand. The SLT trim combines rugged capability with refined comfort, ready to handle whatever your next project demands. Key Features: - Duramax 6.6L V8 Diesel Turbocharged engine - 4WD with 2-Speed Active Transfer Case - Heated and Cooled Leather Seats - SiriusXM with 360L Trial Subscription - Apple CarPlay and Android Auto connectivity - Bose Premium 7-Speaker Sound System - HD Surround Vision with Bed View Camera - Wireless Phone Projection and Charging - Automatic Emergency Braking and collision alert systems - Adaptive Cruise Control with Following Distance Indicator This Sierra 2500HD brings together advanced safety technology, premium comfort features, and the dependability GMC is known for. From the automatic headlights and rain-sensing wipers to the trailer side blind zone alert and rear cross traffic detection, every detail is designed to keep you confident on the road. The bed-mounted power outlet and integrated trailering system make this truck work as hard as you do. 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!.