The 2026 GMC Sierra 2500HD AT4 is a powerful and capable heavy-duty pickup built to handle the toughest jobs. Equipped with a Duramax 6.6L V8 Turbodiesel engine and 10-speed automatic transmission, this AT4 model delivers exceptional performance and 4-wheel drive capability.- AT4 Preferred Package- Gooseneck/5th Wheel Prep Package- Preferred Equipment Group 4SB- Technology Package- Bose Premium 7-Speaker Sound System- SiriusXM with 360L Trial Subscription- Steering Wheel Audio Controls- Electric Rear-Window Defogger- 120-Volt Bed Mounted Power Outlet- 120-Volt Instrument Panel Power Outlet- Push Button Start- Remote Vehicle Starter System- Universal Home Remote- Manual Tilt-Wheel/Telescoping Steering Column- 2-Speed Active Transfer Case- Gloss Black Header Grille and Grille Insert Bars- LED Cargo Area Lighting- LED Smoked Amber Roof Marker Lamps- Rear Wheelhouse Liners- Spray-on Pickup Bedliner with GMC Logo- 2 Charge-Only Rear USB Ports- 2 Charge/Data USB Ports Inside Center Console- 2 USB Ports- Bed View Camera with Two Trailer Camera Provisions- Floor-Mounted Center Console- Front Premium Floor Liners with Removable Carpet Insert- HD Surround Vision- Inside Rearview Auo-Dimming Rear Camera Mirror- Multicolor 15"" Diagonal Head-Up Display- OnStar Services Capable- Rear Cross Traffic Alert- Rear Premium Floor Liners with Removable Carpet Insert- Trailer Cam Provisions and Trailer Viewing Software- Trailer Side Blind Zone Alert- Ultrasonic Front and Rear Park Assist- Wireless Charging- Wireless Phone Projection- Keyless Open and Start- Heated 2nd Row Outboard Seats- Heated Driver and Front Outboard Passenger Seats- Safety Alert Seat- Ventilated Driver and Front Passenger Seats- Unauthorized Entry Theft-Deterrent System- Deep-Tinted Glass- Front Rain-Sensing Wipers- Power Front Passenger Windows with Express Up/Down- Power Sliding Rear Window with DefoggerHere at Skyway Buick-GMC we pride ourselves in a transparent car buying experience. We give YOU the customer the best price upfront. We provide every customer with a Carfax and repair order upon request. Come experience the right way to purchase your next car! Give us a call today to schedule a test drive! Skyway Buick GMC 808 Illinois Avenue Joplin MO, 64801.Dealer will not be held responsible for discrepancies in descriptions or pricing. Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 06/30/2026