2026 GMC Sierra 2500

At LAKE CITY GMC, we're dedicated to satisfying our customers. THIS IS TRUE FROM THE MOMENT YOU STEP ON TO THE LOT TO WHEN WE HAND YOU THE KEYS OF YOUR NEW OR USED VEHICLE, TO COMING IN FOR EXCEPTIONAL SERVICE AND MAINTENANCE, ALL THE WAY DOWN THE ROAD TO WHEN YOU DECIDE TO UPGRADE TO SOMETHING A LITTLE NEWER. WE CONTINUALLY LOOK FORWARD TO WOWING YOU WITH OUR EXCEPTIONAL SERVICE AND PROFESSIONAL STAFF AND PROVE THAT WE TRULY APPRECIATE THE OPPORTUNITY TO EARN YOUR BUSINESS.- 6.6L V8 Engine with 10-Speed Automatic and 4WD- AT4 Preferred Package with Universal Home Remote and Roof Marker Lamps- Gooseneck/5th Wheel Prep Package for advanced towing capability- X31 Off-Road Package with 2-Speed Active Transfer Case and Hill Descent Control- Bed View Camera with Trailer Camera Provisions and Trailer Viewing Software- Power-Retractable Black Assist Steps with LED lighting- Bose Premium 7-Speaker Sound System with SiriusXM 360L Trial Subscription- HD Surround Vision and Ultrasonic Front and Rear Park Assist- Heated and Ventilated Driver and Front Passenger Seats- Power Sliding Rear Window with Defogger- Wireless Charging and Wireless Phone Projection- Spray-on Pickup Bedliner with GMC Logo- 120-Volt Bed Mounted and Instrument Panel Power Outlets- All-Weather Floor Liners for 1st and 2nd Rows- Hitch Package with Gooseneck Ball and Chain Tiedown KitThis 2026 GMC Sierra 2500HD AT4 delivers serious capability wrapped in a refined package. With its powerful 6.6L V8 engine and 4WD system, you command the road in virtually any condition. The AT4 designation signifies purposeful design, from the gloss black header grille to the rear wheelhouse liners that protect against the elements.When work demands more from your truck, the Gooseneck/5th Wheel Prep Package stands ready to handle heavy-duty towing. The bed-mounted 7-pin trailer harness and engineered hitch platform provide the foundation for serious hauling. Couple this with the included Hitch Package featuring a gooseneck ball and chain tiedown kit, and you have a truck built for professional-grade tasks.The cab prioritizes your comfort and control. The power-retractable assist steps with integrated LED lighting greet you each time you approach. Inside, heated and ventilated front seats adjust through a 10-way power mechanism with lumbar support. The Bose Premium 7-Speaker Sound System delivers quality audio, while SiriusXM 360L keeps you connected. Wireless charging and phone projection integrate your devices seamlessly into the driving experience.Technology enhances your command of the road and trailer. The Bed View Camera with trailer camera provisions lets you maneuver with confidence. Ultrasonic park assist, trailer side blind zone alert, and rear cross traffic alert work together to keep you aware. The in-vehicle trailering system app and hitch guidance with hitch view transform towing from stressful to straightforward.Off-road capability comes standard through the X31 Off-Road Package, featuring the 2-Speed Active Transfer Case and Hill Descent Control. The suspension is engineered to handle rough terrain while maintaining ride quality on pavement. These abilities mean your Sierra 2500HD goes where opportunity leads, whether that is a remote job site or weekend adventure.All price, specifications, incentives, and vehicle availability are subject to change without notice. While every effort is made to ensure accuracy, the dealership is not responsible for typographical or pricing errors. All vehicles are subject to prior sale. Photo may represent the actual vehicle, and colors, features, and options may vary. EPA fuel economy, towing and payload ratings are estimates only. Actual results will vary. Advertised prices exclude tax, title, license, registration, finance charges, and other fees required by law. Advertised price includes a $1199 Dealer documentation fee, $189 private tag agency fee, $199 electronic Registration filing fee. Finance p