Meet the 2025 GMC Sierra 2500HD AT4, a premium diesel pickup engineered for those who demand capability and refinement in equal measure.- Duramax 6.6L V8 Turbodiesel engine with 10-speed automatic transmission and 4WD- Heated and cooled front seats with heated rear seating- Moonroof/sunroof- Adaptive cruise control with following distance indicator- Bose Premium 7-Speaker sound system with SiriusXM and Apple CarPlay/Android Auto integration- Bed view camera with trailer camera provisions- Wireless phone projection and charging- Heated steering wheel with steering wheel audio controls- Premium 20" high gloss black aluminum wheels- Rear park assist and 360-degree surround vision- OnStar emergency communication system- Off-road suspension with hill descent control and 2-speed active transfer case- Power sunroof with remote operation- Heated door mirrors with auto-dimming capability- Spray-on pickup bedliner with GMC logoThis Sierra 2500HD AT4 combines professional-grade engineering with thoughtful comfort features. The Duramax turbodiesel engine pairs with the efficient 10-speed automatic transmission to deliver the torque and towing capability serious truck owners require. The 4WD system, enhanced by the off-road suspension and hill descent control, ensures confident performance on any terrain while maintaining the composure you need on highways and city streets.The cabin reflects GMC's commitment to driver-focused design. Perforated leather-appointed front seats offer both heated and cooled functions, complemented by heated rear seating for passenger comfort in any season. The heated steering wheel and dual-zone automatic climate control create an intuitive environment that adapts to your needs. Wireless charging and multiple USB ports keep your devices ready without cluttering your workspace.This vehicle is certified by Kunes' No Fear Lifetime Certified Preowned Warranty, assuring you that every component has been thoroughly inspected and meets exacting standards for reliability and performance.The technology suite elevates everyday driving. The Bose premium sound system delivers clear audio whether you're enjoying SiriusXM satellite radio or streaming through Apple CarPlay and Android Auto. The bed view camera with trailer camera provisions simplifies hitch operations, while the wireless phone projection keeps navigation and communication seamlessly integrated. The adaptive cruise control and following distance indicator take the fatigue out of long drives.Safety and capability work together seamlessly. Automatic emergency braking, forward collision alert, lane departure warning, and rear cross traffic alert provide comprehensive protection. The 360-degree surround vision and rear park assist make maneuvering easier, while the in-vehicle trailering system app gives you complete control over towing dynamics.Visit us today to experience the commanding presence, refined capability, and premium comfort that define the 2025 GMC Sierra 2500HD AT4.