GMC Sierra Heavy Duty: Tow More Haul More. Achieve More. Conquer Every Challenge with the bold 2026 GMC Sierra 2500HD AT4 .2026 GMC Sierra 2500HD AT4 4D Crew Cab Onyx Black Moonroof / Sunroof, Backup Camera, Android Auto, Apple CarPlay, Bluetooth, Remote Start, Adaptive Cruise Control, Sierra 2500HD AAT4, 4D Crew Cab, 6.6L V8, 10-Speed Automatic, 4WD, Onyx Black, Jet Black With Kalahari Accents Leather, 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, Alloy wheels, AT4 Preferred Package, AT4 Premium Plus Package, Auto High-beam Headlights, 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, Front Premium Floor Liners with Removable Carpet Insert, Front Rain-Sensing Wipers, Fully automatic headlights, 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, 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, Rain sensing wipers, Rear Cross Traffic Alert, Rear Premium Floor Liners with Removable Carpet Insert, Rear Wheelhouse Liners, Remote Vehicle Starter System, 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 Phone Projection, X31 Off-Road Package. 6.6L V8 4WD 10-Speed AutomaticStop by Woody Buick GMC Naperville today to schedule a test drive and see for yourself why Woody Buick GMC is Chicagoland's best and most awarded GM dealer! Make sure to take advantage of the best deals and incentives around! We have a 2026 GMC Sierra 2500HD AT4 on sale for you! Price includes: $500 - Buick & GMC Consumer Cash Program. Exp. 01/02/2026

Woody Buick GMC of Naperville
1585 W Ogden Ave
Naperville, IL 60540

Additional Error Text: The Model Year decoded for this VIN may be incorrect. If you know the Model year, please enter it and decode again to get more accurate information.
Antilock Braking System Abs: Standard
Body Class: Pickup
Brake System Type: Hydraulic
Curtain Air Bag Locations: All Rows
Displacement Cc: 6600.0
Displacement Ci: 402.7567110252330741
Displacement L: 6.6
Drive Type: 4WD
Engine Model: L8T
Engine Number Of Cylinders: 8
Front Air Bag Locations: 1st Row (Driver and Passenger)
Fuel Type Primary: Gasoline
Gross Vehicle Weight Rating From: Class 3: 10,001 - 14,000 lb (4,536 - 6,350 kg)
Gross Vehicle Weight Rating To: Class 3: 10,001 - 14,000 lb (4,536 - 6,350 kg)
Other Engine Info: SIDI, VVT, CAST IRON
Other Restraint System Info: AY0 - Active Manual Belts
Seat Belt Type: Manual
Series: 2500
Side Air Bag Locations: 1st Row (Driver and Passenger)
Trim: AT4
Vehicle Descriptor: 1GT4UPE7*TF
Vehicle Type: TRUCK