Meet the 2025 GMC Sierra 2500HD AT4, a premium heavy-duty truck engineered for serious work and commanding presence. Finished in white with a Duramax 6.6L V8 Turbodiesel engine and 4WD capability, this Sierra delivers the power, technology, and comfort you demand in a workhorse truck.**Key Features:**- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic and 4WD- Bed View Camera with Trailer Camera Provisions and Trailer Viewing Software- GMC MultiPro Tailgate with LED Step Lights- Spray-On Pickup Bedliner with GMC Logo- Bose Premium 7-Speaker Sound System with Apple CarPlay/Android Auto- Heated and Ventilated Leather Front Seats with 10-Way Power Adjusters- HD Surround Vision with Ultrasonic Front & Rear Park Assist- Advanced Safety: Automatic Emergency Braking, Lane Departure Warning, Rear Cross Traffic Alert, Trailer Side Blind Zone Alert- Wireless Charging and Wireless Phone Projection- X31 Off-Road Package with Hill Descent Control, Off-Road Suspension, and 2-Speed Active Transfer CaseThis AT4 comes equipped with the technology and luxury features expected in GMC's premium lineup, paired with the rugged capability the Sierra 2500HD is known for. SiriusXM 360L trial subscription keeps you connected, while the integrated trailering system and gooseneck/5th wheel prep package make hauling seamless and controlled.Visit us today to experience the power, sophistication, and reliability of this Sierra 2500HD AT4 firsthand.