2026 GMC Sierra 2500HD AT4 Crew Cab 4WD

Vehicle Details: 2026 GMC Sierra 2500 AT4 4WD with powerful 6.6L V8 diesel - located in Demotte, IN. Built for heavy-duty performance and refined capability, this GMC Sierra AT4 combines rugged off-road capability with premium comfort and technology. The stout 6.6L V8 diesel delivers robust torque for towing and hauling, paired with 4WD for confident traction across varied Indiana terrain. Exterior features include rugged AT4 styling, durable skid plates, and an elevated suspension designed for challenging trails and worksite conditions. Inside, the cabin balances function and refinement with supportive seating, durable trim, and modern conveniences. Apple CarPlay integration and XM Radio keep you connected and entertained on long drives, while Steering Wheel Audio Controls and Remote Start enhance everyday convenience. Advanced safety technology includes Lane Departure Warning to help maintain lane discipline on highways. This GMC Sierra 2500 AT4 is ideal for drivers who require a heavy-duty truck with off-road capability and modern connectivity. Whether towing equipment for a job, navigating gravel roads, or enjoying weekend adventures, the combination of a proven diesel V8, four-wheel drive, and AT4-focused hardware ensures confidence in demanding situations. Located in Demotte, IN, this GMC Sierra 2500 AT4 is ready for immediate inspection and test drives. Contact us to schedule an appointment and experience the truck's capability firsthand. Equipment: The leather seats in the vehicle are a must for buyers looking for comfort, durability, and style. It warns of approaching vehicles with Cross-Traffic Alert. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving it. Anywhere on the planet, you will have hundreds of digital stations to choose from. An off-road package is installed on this GMC Sierra so you are ready for your four-wheeling best. This unit features steering wheel audio controls. This 3/4 ton pickup's Lane Departure Warning helps keep you in your lane. Start this vehicle from inside with remote start. See what's behind you with the back up camera on this vehicle. Bluetooth technology is built into the GMC Sierra, keeping your hands on the steering wheel and your focus on the road. This unit has auto-adjust speed for safe following. Engulf yourself with the crystal clear sound of a BOSE sound system in it. Packages: Cargo Convenience Package: Console-Mounted Safe; Rear Underseat Storage. Preferred Equipment Group 4SB: LED Cargo Area Lighting; Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Floor-Mounted Center Console; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Bed View Camera with Two Trailer Camera Provisions; Front Rain-Sensing Wipers; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 120-Volt Instrument Panel Power Outlet; 2 Charge/data USB Ports Inside Center Console; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; 2 Charge-Only Rear USB Ports; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Bose Premium 7-Speaker Sound System; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; ProGrade Trailering System; Push Button Start; Rear Wheelhouse Liners. AT4 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote. Snow Plow Prep/camper Package: 220-Amp Alternator; Skid Plates. Black Sport Step. Volcanic Red Tintcoat. Gooseneck/5th Wheel Prep Package. Console-Mounted Safe. Rear Underseat Storage. LED Smoked Amber Roof Marker Lamps. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**

Additional Information

Cargo Convenience Package: Console-Mounted Safe; Rear Underseat Storage,Preferred Equipment Group 4SB: LED Cargo Area Lighting; Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Remote Vehicle Starter System; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Floor-Mounted Center Console; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Bed View Camera with Two Trailer Camera Provisions; Front Rain-Sensing Wipers; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 120-Volt Instrument Panel Power Outlet; 2 Charge/data USB Ports Inside Center Console; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; 2 Charge-Only Rear USB Ports; OnStar Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Bose Premium 7-Speaker Sound System; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Keyless Open and Start; ProGrade Trailering System; Push Button Start; Rear Wheelhouse Liners,AT4 Preferred Package: Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Universal Home Remote,Snow Plow Prep/camper Package: 220-Amp Alternator; Skid Plates,Black Sport Step,Volcanic Red Tintcoat,Gooseneck/5th Wheel Prep Package,Console-Mounted Safe,Rear Underseat Storage,LED Smoked Amber Roof Marker Lamps,Apple CarPlay/Android Auto smart device wireless mirroring,Forward Collision Alert with Automatic Braking,Front Pedestrian Braking,Wi-Fi Hotspot capable mobile hotspot internet access,HD Rear Vision Camera w/Hitch View rear mounted camera,Adaptive cruise control,Automatic Emergency Braking predictive brake assist system,Cruise control with steering wheel mounted controls,Ventilated driver and front passenger seats,Keyfob remote start,Heated steering wheel,Heated driver and front passenger seats,Heated rear seats,Leather front seat upholstery,Primary monitor touchscreen,Lane Departure Warning,Rear Cross-Traffic Alert collision warning,Driver seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control,AutoTrac part and full-time 4WD,Duramax 6.6L V-8 diesel direct injection, intercooled turbo, diesel, engine with 470HP,Duramax 6.6L V-8,Front wireless smart device charging,Google Built-In built-in virtual assistant,Teen Driver restricted driving mode/alerts,Keyless Open/Keyless Start with hands-free access and push button start,Keyfob window control,HD Surround Vision w/Hitch View aerial view camera,Smart device remote start,Push-button,GCW Alert weight capacity alert,Stolen Vehicle Assistance vehicle tracker with vehicle slowdown,Bluetooth wireless audio streaming,Hitch Guidance vehicle to trailer hitching assist,Gauge cluster display size: 12.30,Front mounted camera with washer,Right side camera,Pickup box camera,Left side camera,Trailer Side Blind Zone Alert blind spot warning,Following Distance Indicator,Trailer light test,Trailer light malfunction warning,Trailer theft alarm,Dual-zone front climate control,Full gauge cluster screen,Auto high-beam headlights,Immobilizer,Bose speakers,OnStar vehicle integrated emergency SOS system,Bluetooth handsfree wireless device connectivity