New 2026 GMC Sierra 3500HD Denali Ultimate For Sale Elmhurst, IL

Meet the 2026 GMC Sierra 3500HD Denali Ultimate—built for those who demand maximum capability and refinement. With just one mile on the odometer, this Onyx Black powerhouse features a formidable Duramax 6.6L V8 Turbodiesel paired with a 10-speed automatic transmission and 4WD, ready to tackle any challenge. The Denali Ultimate trim elevates this truck with premium appointments and technology designed for both work and the open road.**Key Features:**- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic and 4WD- Gooseneck/5th Wheel Prep Package- Snow Plow Prep/Camper Package- Dual 220-Amp and 170-Amp Alternators- Heated and Ventilated Leather Seats with 16-Way Power Adjusters- Auto-Dimming Rearview Mirror with Camera and Multicolor 15 Head-Up Display- Bose Premium 12-Speaker Audio System with Wireless Charging- Power Sunroof and All-Weather Floor Liners- ProGrade Trailering System with HD Surround Vision and Multiple Camera Provisions- Upfitter Switch Kit (5) with Universal Vehicle ModuleThis Sierra 3500HD arrives fully equipped for commercial work or personal towing. The Denali Ultimate interior showcases full-grain leather, genuine wood trim accents, and a premium 13.4-inch information display. Advanced safety features include automatic emergency braking, lane departure warning, rear cross-traffic alert, and comprehensive airbag protection. The truck's specialized prep packages make it ideal for fifth-wheel or gooseneck setups, while dual high-output alternators ensure reliable power for upfitted equipment.Don't miss this exceptional opportunity—visit us today to experience this truck's commanding presence and sophisticated capability firsthand. Price does not include tax, title, license or document fees. Customers must qualify for all applicable rebates. Price includes: $1500 - Active UAW-GM Hourly Employee Vehicle Allowance. Exp. 01/04/2027 $500 - GM Rewards Card Sales Sign Up and Spend Offer. Exp. 11/30/2026