2026 GMC Sierra 2500

2026 GMC Sierra 2500HD AT4 Onyx Black 10-Speed Automatic, 4WD, Jet Black w/Kalahari Accents w/Perforated Leather-Appointed Front Seat Trim, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports Inside Center Console, 2 USB Ports, 2-Speed Active Transfer Case, 220-Amp Alternator, AT4 Preferred Package, AT4 Premium Plus Package, Automatic Pre-Collision Braking, Bed View Camera with Two Trailer Camera Provisions, Bose Premium 7-Speaker Sound System, Deep-Tinted Glass, Electric Rear-Window Defogger, Floor-Mounted Center Console, Forward Collision Alert, Front Premium Floor Liners with Removable Carpet Insert, Front Rain-Sensing Wipers, Gloss Black Header Grille and Grille Insert Bars, Gooseneck/5th Wheel Prep Package, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated Driver and Front Outboard Passenger Seats, Hill Descent Control, Inside Rearview Auo-Dimming Rear Camera Mirror, Keyless Open and Start, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Manual Tilt-Wheel/Telescoping Steering Column, Memory seat, Multicolor 15'' Diagonal Head-Up Display, Off-Road Suspension, OnStar Services Capable, Power Front Passenger Windows with Express Up/Down, Power Sliding Rear Window with Defogger, Power Sunroof, Preferred Equipment Group 4SB, Push Button Start, Rear Cross Traffic Alert, Rear Premium Floor Liners with Removable Carpet Insert, Rear Wheelhouse Liners, Safety Alert Seat, SiriusXM with 360L Trial Subscription, Snow Plow Prep/Camper Package, Spray-on Pickup Bedliner with GMC Logo, Steering Wheel Audio Controls, Technology Package, Trailer Cam Provisions and Trailer Viewing Software, Trailer Side Blind Zone Alert, Ultrasonic Front and Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Ventilated Driver and Front Passenger Seats, Wheels: 20'' High Gloss Black 8 Spokes Aluminum, Wireless Charging, Wireless Charging, Wireless Phone Projection, X31 Off-Road Package.Odometer is 2989 miles below market average!2026 GMC Sierra 2500HD in McHenry. *Home of the No-Hassle Deal * Every Vehicle is Priced Up Front based on the KBB.com Price Advisor from Kelly Blue Book. * Get an Instant Quote for your trade-in * Experience The Castle Difference... Free Vehicle Delivery (Up to 50 miles), 72-Hour Love it or Exchange it Policy and much more... * Fast, Free Vehicle Appraisals, Written Offer Valid For 3 Days! * All vehicles sold on a first come, first serve basis. * By submitting your information you are authorizing us to be able to call, text, email you with additional information on this vehicle. Options may vary as described due to automated processes. The advertised Price is the total price for the vehicle and includes our $378 Doc Fee (IL locations), or $249 Doc Fee (IN locations) and a $35.00 electronic filing Fee. The Price excludes only government-mandated taxes, tags, registration fees, and title fees. We strive to maintain accurate information on this website about inventory, vehicle features and history, and pricing. To do so, we often rely on third-party sources to provide us with particular data. All Information is subject to change without notice to correct inaccuracies and to adjust for changing market conditions. We assume no responsibility for errors and omissions, and make no representations or warranties, express or implied, that the information presented is accurate and complete.