Meet this 2026 GMC Sierra 2500HD AT4 in striking Black with premium Jet Black and Kalahari leather interior. This 4D crew cab delivers commanding presence with the legendary Duramax 6.6L V8 Turbodiesel engine paired to a smooth 10-speed automatic and full 4WD capability—built for serious work and confident towing.Key Features:- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic and 4WD- AT4 Preferred Package, X31 Off-Road Package, and Gooseneck/5th Wheel Prep- Bose Premium 7-Speaker Sound System with Wireless Phone Projection and HD Surround Vision- Advanced safety: Automatic Emergency Braking, Rear Cross Traffic Alert, and Trailer Side Blind Zone Alert- Heated and ventilated leather seats, wireless charging, and premium floor liners- Fresh oil change completed and road-readyThis truck represents serious capability with thoughtful luxury appointments. Schedule your test drive today to experience the Sierra 2500HD difference.