"Conquer any journey, big or small, with the capable and bold 2026 GMC Sierra 3500HD SLT . 2026 GMC Sierra 3500HD SLT 4D Crew Cab Onyx Black Spray In Bed Liner, Moonroof / Sunroof, Backup Camera, Android Auto, Apple CarPlay, Bluetooth, Remote Start, Adaptive Cruise Control, Sierra 3500HD SLT, 4D Crew Cab, 6.6L V8, 10-Speed Automatic, 4WD, Onyx Black, Jet Black Leather, 10-Way Power Driver Seat Adjuster with Lumbar, 10-Way Power Passenger Seat Adjuster with Lumbar, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports, 2 Charge/Data USB Ports Inside Center Console, 2-Speed Active Transfer Case, 220 Amp Alternator, 6-Speaker Audio System Feature, 6"" Rectangular Chromed Tubular Assist Steps, Adaptive Cruise Control, Bed View Camera with Two Trailer Camera Provisions, Bose Premium 7-Speaker Sound System, Chrome Surround Grille with Chrome Insert Bars, Deep-Tinted Glass, Driver Memory, Electric Rear-Window Defogger, Floor-Mounted Center Console, Front 40/20/40 Split-Bench Seats with Lockable Storage, Front Bucket Seats, Front Rain-Sensing Wipers, Gooseneck/5th Wheel Prep Package, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated Driver and Front Outboard Passenger Seats, Keyless Open and Start, LED Cargo Area Lighting, Manual Tilt-Wheel/Telescoping Steering Column, Power Front Windows with Passenger Express Up/Down, Power Sliding Rear Window with Defogger, Preferred Equipment Group 4SA, Push Button Start, Rear Cross Traffic Alert, Remote Vehicle Starter System, Safety Alert Seat, Sierra HD Pro Safety Plus Package, SiriusXM with 360L Trial Subscription, SLT Convenience Package, SLT Preferred Package, SLT Premium Package, Snow Plow Prep/Camper Package, Spray-on Pickup Bedliner with GMC Logo, Steering Wheel Audio Controls, Suspension Package, Trailer Camera Provisions, 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, Wireless Charging, Wireless Phone Projection. 6.6L V8 4WD 10-Speed Automatic Stop by Woody Buick GMC Naperville, an 11-time GM Dealer of the Year and Mark of Excellence recipient, to schedule a test drive! See for yourself why this J.D. Power 2026 Dealer of Excellence is Illinois' 1 Sales Volume Buick GMC destination and Chicagoland's most awarded dealer. Take advantage of our award-winning service and the best incentives around! We have a 2026 GMC Sierra 3500HD SLT on sale for you! Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 06/30/2026"