Introducing the 2026 GMC Sierra 2500HD SLT, a true powerhouse designed to meet the demands of those who require robust performance and top-tier features. With its striking Glacier White Tricoat exterior and sophisticated Dark Walnut/Slate interior, this truck sets a new standard for style and capability.

Under the hood, the Duramax 6.6L V8 Turbodiesel engine coupled with a 10-Speed Automatic transmission provides an exciting blend of power and efficiency, perfect for both heavy-duty tasks and daily driving. Its 4WD drivetrain ensures that you remain in control even in challenging terrains.

The Sierra 2500HD SLT is equipped with an array of features that enhance both comfort and convenience. The Assist Step and Floor Liner Package includes all-weather floor liners for interior protection, making it ideal for active lifestyles. Inside, the SLT Convenience Package ensures a luxurious ride with a Bose Premium 7-Speaker Sound System, Ventilated Driver and Front Passenger Seats, and a Wireless Charging pad for seamless connectivity.

For those who prioritize safety, the Sierra HD Pro Safety Plus Package offers advanced features such as HD Surround Vision, Rear Cross Traffic Alert, and an innovative Safety Alert Seat, giving you peace of mind on every journey.

Off-road enthusiasts will appreciate the X31 Off-Road and Protection Package which includes Hill Descent Control, Off-Road Suspension, and a Spray-on Pickup Bedliner with the iconic GMC Logo.

Adaptive Cruise Control and Heated 2nd Row Outboard Seats included in the SLT Preferred Package highlight the truck’s attention to detail and passenger comfort.

The Sierra 2500HD’s modern technology suite, including Apple CarPlay and Android Auto, keeps you connected while the auto-dimming mirrors and IntelliBeam Automatic High Beam headlights enhance night-time driving comfort.

Joe Cooper Chevrolet GMC Cadillac of Shawnee invites you to experience the unmatched power and sophistication of the 2026 GMC Sierra 2500HD SLT. "Who loves ya', Oklahoma?" Discover the perfect blend of form and function today!