2026 GMC Sierra 2500HD AT4 Crew Cab 4WD

Text 815-446-7319 for questions or to schedule a test drive. Text questions directly to sales at (815) 446-7319. "Experience the Arnie Bauer Advantage: Trusted Family-Owned Values Since 1945." At Arnie Bauer, we believe in empowering our customers with transparent pricing, exceptional service, and unmatched peace of mind. As a family-owned and operated dealership since 1945, we take pride in treating our customers like family, ensuring you receive the care and attention you deserve. Enjoy the confidence of our free lifetime engine warranty and trust that we never engage in price gouging, providing you with the best value for your hard-earned dollar. With two convenient locations, your journey to a new vehicle is not just a transactionit's a relationship built on trust and satisfaction. At Arnie Bauer, your dollar has more power. Shop the 2026 GMC Sierra 2500HD AT4 4WD in Coastal Dune at Arnie Bauer Chevy GMC in Wilmington, IL. This rugged and refined GMC Sierra 2500HD AT4 truck is built for serious capability, featuring 4-wheel drive and a powerful 6.6L V8 engine, making it ideal for towing, hauling, and off-road adventures near Wilmington, Joliet, and surrounding areas. The Jet Black interior with Kalahari accents delivers a premium, off-road-inspired cabin with heated and ventilated front seats, heated second-row seating, a heated steering wheel, and a 10-way power driver seat with memory. Stay connected with a 13.4-inch touchscreen infotainment system, 12-inch driver information center, wireless Apple CarPlay and Android Auto, wireless charging, and a Bose premium audio system. Built for capability, this Sierra 2500HD AT4 features off-road suspension, skid plates, a heavy-duty locking rear differential, all-terrain tires, and the MultiPro tailgate. Advanced trailering technology includes Hitch Guidance with Hitch View, Trailer Brake Controller, Trailer Camera Provisions, and a Bed View Camera. Safety and driver assistance features include Forward Collision Alert, Automatic Emergency Braking, Lane Departure Warning, Rear Cross Traffic Alert, Trailer Side Blind Zone Alert, and HD Surround Vision for added confidence. If youre searching for a GMC Sierra 2500HD AT4 for sale near Wilmington, IL, this 2026 Sierra AT4 in Coastal Dune delivers the perfect blend of strength, technology, and premium comfort. Price includes: $1000 - Purchase Allowance. Exp. 04/30/2026

Additional Information

AT4 Preferred Package,Preferred Equipment Group 4SB,X31 Off-Road Package,7 Speakers,AM/FM radio: SiriusXM with 360L,Bose Premium 7-Speaker Sound System,Premium audio system: Premium GMC Infotainment System,Radio: AM/FM Stereo with Premium GMC Infotainment System,SiriusXM with 360L Trial Subscription,Steering Wheel Audio Controls,Air Conditioning,Automatic temperature control,Electric Rear-Window Defogger,Front dual zone A/C,Rear window defroster,120-Volt Bed Mounted Power Outlet,120-Volt Instrument Panel Power Outlet,Driver Memory,Memory seat,Power driver seat,Power steering,Power windows,Push Button Start,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Universal Home Remote,Manual Tilt-Wheel/Telescoping Steering Column,Off-Road Suspension,Speed-sensing steering,Traction control,4-Wheel Disc Brakes,ABS brakes,Dual front impact airbags,Dual front side impact airbags,Emergency communication system: OnStar,Front anti-roll bar,Front wheel independent suspension,Keyless Open and Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Pickup Box,Brake assist,Electronic Stability Control,Lane Departure Warning System,Hill Descent Control,Auto High-beam Headlights,Delay-off headlights,Front fog lights,Fully automatic headlights,Panic alarm,Security system,Unauthorized Entry Theft-Deterrent System,Speed control,2-Speed Active Transfer Case,Heavy-Duty 80 Amp Battery,Auto-dimming door mirrors,Bumpers: body-color,Front License Plate Kit,Gloss Black Header Grille and Grille Insert Bars,Heated door mirrors,IntelliBeam Automatic High Beam on/Off,LED Cargo Area Lighting,LED Smoked Amber Roof Marker Lamps,Power door mirrors,Rear step bumper,Rear Wheelhouse Liners,Spray-on Pickup Bedliner with GMC Logo,Turn signal indicator mirrors,2 Charge-Only Rear USB Ports,2 Charge/Data USB Ports Inside Center Console,2 USB Ports,Apple CarPlay/Android Auto,Auto-dimming Rear-View mirror,Automatic Emergency Braking,Bed View Camera with Two Trailer Camera Provisions,Buckle to Drive,Compass,Driver door bin,Driver vanity mirror,Floor-Mounted Center Console,Following Distance Indicator,Forward Collision Alert,Front Pedestrian Braking,Front Premium Floor Liners with Removable Carpet Insert,Front reading lights,HD Surround Vision,Heated steering wheel,Illuminated entry,OnStar Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Cross Traffic Alert,Rear Premium Floor Liners with Removable Carpet Insert,Rear reading lights,Rear seat center armrest,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trailer Cam Provisions and Trailer Viewing Software,Trailer Side Blind Zone Alert,Trip computer,Ultrasonic Front and Rear Park Assist,Voltmeter,Wireless Charging,Wireless Phone Projection,10-Way Power Driver Seat Adjuster with Lumbar,10-Way Power Passenger Seat Adjuster with Lumbar,Front Bucket Seats,Front Center Armrest,Heated 2nd Row Outboard Seats,Heated Driver and Front Outboard Passenger Seats,Heated front seats,Heated rear seats,Perforated Leather-Appointed Front Seat Trim,Power passenger seat,Safety Alert Seat,Split folding rear seat,Ventilated Driver and Front Passenger Seats,Ventilated front seats,Passenger door bin,Hitch Guidance with Hitch View,in-Vehicle Trailering System App,Alloy wheels,Wheels: 20" High Gloss Black 8 Spokes Aluminum,Deep-Tinted Glass,Front Rain-Sensing Wipers,Power Front Passenger Windows with Express Up/Down,Power Sliding Rear Window with Defogger,Rain sensing wipers,Variably intermittent wipers,3.73 Rear Axle Ratio,Text questions directly to sales at (815) 446-7319

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