Meet the 2025 GMC Sierra 2500HD AT4, a heavy-duty pickup engineered to handle demanding work and deliver premium comfort on every drive. This powerful truck combines the capability you need with the refinement you deserve.- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque- 10-Speed Automatic transmission with 4WD and 2-Speed Active Transfer Case- AT4 Premium Plus Package with power sunroof and Technology Package- Gooseneck/5th Wheel Prep Package for serious towing versatility- Power-Retractable Black Assist Steps with LED lighting- Off-Road High Clearance Step and X31 Off-Road Package- Multicolor 15 Head-Up Display with HD Surround Vision- Wireless Phone Projection and Apple CarPlay/Android Auto compatibility- Perforated Leather-Appointed Front Seats with heating, ventilation, and power adjustment- Heated rear seats and console-mounted safe for added convenience- Hard Folding Truck Bed Cover by RealTruck Advantage- Spray-On Pickup Bedliner with GMC Logo- Bose Premium 7-Speaker Sound System with SiriusXM 360L- Advanced safety features including Automatic Emergency Braking and Trailer Side Blind Zone Alert- Ultrasonic Front and Rear Park Assist with multiple camera systemsThe Duramax diesel engine represents the pinnacle of torque delivery, providing the muscle necessary for heavy hauling while maintaining excellent efficiency. The 10-speed automatic transmission optimizes power distribution across all driving conditions, whether you're navigating city streets or tackling challenging terrain. The 4WD system with active transfer case gives you confidence in any weather or surface conditions.Inside, luxury and functionality merge seamlessly. The heated and ventilated leather front seats adjust in ten directions, ensuring comfort during extended driving sessions. Wireless phone projection keeps you connected safely, while the 15-inch head-up display provides essential information without distracting you from the road. The console-mounted safe and under-seat storage offer secure places for your valuables and gear.The AT4 Premium Plus Package elevates this truck with a power sunroof and comprehensive Technology Package, making every journey more enjoyable. The Gooseneck/5th Wheel Prep Package includes a hitch platform, stamped bed holes, and a bed-mounted seven-pin trailer harness, accommodating the most demanding towing applications. The hard folding bed cover protects your cargo while maintaining easy access.Safety technology integrates throughout this Sierra. Automatic Emergency Braking, Forward Collision Alert, and Lane Departure Warning System work constantly to protect you and your passengers. The HD Surround Vision system provides multiple camera angles, including trailer camera provisions for confident maneuvering in tight spaces. Trailer Side Blind Zone Alert and Rear Cross Traffic Alert add extra layers of protection.This 2025 GMC Sierra 2500HD AT4 stands ready to serve as your hardworking partner, delivering the power, capability, and luxury that define premium heavy-duty trucking. Visit us today to experience the commanding presence and refined capability that set this truck apart from the rest.