New 2026 GMC Sierra 2500HD AT4X For Sale Melbourne, FL

The 2026 GMC Sierra 2500HD AT4X is built for serious work and commanding presence on any road. This powerful Crew Cab delivers professional-grade capability with the legendary Duramax 6.6L V8 Turbodiesel engine paired to a smooth 10-Speed Automatic transmission. Finished in Silver with Obsidian Rush Leather seating, the AT4X combines rugged functionality with refined luxury appointments designed for those who demand both performance and comfort.The Sierra 2500HD AT4X comes equipped with:- Duramax 6.6L V8 Turbodiesel with dual 220-amp primary and 170-amp auxiliary alternators- 4WD with 2-Speed Active Transfer Case and Hill Descent Control- Gooseneck/5th Wheel Prep Package with hitch platform- Bose Premium 12-Speaker audio system with SiriusXM and Apple CarPlay/Android Auto- 16-Way power adjustable heated and ventilated front seats with lumbar support- Multicolor 15 Head-Up Display with advanced camera systems- HD Surround Vision with Bed View Camera and trailer camera provisions- Automatic Emergency Braking, Lane Departure Warning, and Rear Cross Traffic Alert- 18 machined aluminum wheels and spray-on bedliner with GMC logoThis is the truck for operators who need proven reliability and advanced technology. Visit us to experience the AT4X's commanding capability and refined interior firsthand.Although every reasonable effort has been made to ensure accuracy, it cannot be guaranteed. Specifications, features, safety, and warranty information are based on standard trim-level data for the model year and may vary with options/packages. See dealer for complete written warranty details. Dealer is not responsible for inaccuracies from third-party sources. All vehicles are subject to prior sale. Prices include all applicable factory rebates to dealer but exclude upfits, plows, accessories, taxes, and emissions charges. Prices include doc, license, and title fees; doc fees vary by state (RI $399 + $20 title; MA $499; CT $899; NY $175; IL $377.63; FL $1195 + $349 filing; PA $490; MO $620.79; NJ $795). Pricing/availability may change without notice. MSRP is provided for comparison only and may differ from actual sale price based on market conditions. Vehicles may not be on-site but can often be delivered. Contact the dealership for details.