2026 GMC Sierra 2500

Meet the 2026 GMC Sierra 2500HD AT4, a premium heavy-duty truck built for serious work and commanding presence. With its muscular 6.6L V8 engine, 10-speed automatic transmission, and 4WD capability, this Crew Cab Standard Bed delivers the power and control you need for any terrain. The striking black exterior paired with Jet Black leather accented in Kalahari creates an upscale interior that sets this truck apart.- Adaptive Cruise Control and HD Surround Vision- Moonroof and Power Sunroof- Backup Camera with Bed View and Trailer Camera- Android Auto and Apple CarPlay- Bose Premium 7-Speaker Sound System with SiriusXM- Spray-In Bed Liner- Remote Start and Keyless Open and Start- Off-Road Suspension with Hill Descent Control- Gooseneck/5th Wheel Prep Package for ultimate towing flexibility- Heated and Ventilated Leather Seats with Wireless ChargingThis AT4 brings premium appointments and serious capability together, featuring the AT4 Premium Plus Package, Snow Plow Prep, and X31 Off-Road Package. The available Gooseneck/5th Wheel Prep transforms your Sierra into a true workhorse, while advanced safety features including Rear Cross Traffic Alert, Trailer Side Blind Zone Alert, and Ultrasonic Park Assist keep you protected. From the gloss black grille to the LED ambient lighting, every detail reflects GMC's commitment to quality and style.Stop by Woody Buick GMC Naperville, an 11-time GM Dealer of the Year and Mark of Excellence recipient, to schedule a test drive! See for yourself why this J.D. Power 2026 Dealer of Excellence is Illinois' #1 Sales Volume Buick GMC destination and Chicagoland's most awarded dealer. Take advantage of our award-winning service and the best incentives around! We have a {YMM} {Series} on sale for you!