Sierra 1500

Spider

AWD4WD

6-Cylinder Turbo

Diesel

Text 224-452-5906 for questions or to schedule a test drive. Text questions directly to sales at 224-452-5906 . &quot;Experience the Arnie Bauer Advantage: Trusted Family-Owned Values Since 1945.&quot; 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 transaction it's a relationship built on trust and satisfaction. At Arnie Bauer, your dollar has more power. 2026 GMC Sierra 1500 AT4 - Onyx Black Rugged capability meets premium refinement in this 2026 GMC Sierra 1500 AT4, finished in Onyx Black with a Jet Black interior featuring Kalahari accents. Powered by the Duramax 3.0L Turbo-Diesel engine paired with a 10-speed automatic transmission and 4WD, this AT4 delivers confident power, trail-ready performance, and impressive efficiency. Built for both adventure and comfort, it includes the AT4 Premium Package with a power sunroof, spray-on bedliner, off-road high-clearance steps, and the MultiPro Tailgate. Inside, enjoy heated and ventilated front seats, heated rear seats, a 13.4 touchscreen with Google built-in, Bose Premium Audio, and a 15 Head-Up Display. The Technology Package and GMC Pro Safety suite add advanced driver assistance and visibility for extra confidence on or off the road. Highlights: -Duramax 3.0L Turbo-Diesel / 10-Speed Auto / 4WD -AT4 Premium Package w/ Sunroof &amp; MultiPro Tailgate -Heated &amp; Ventilated Front Seats / Heated Rear Seats -13.4 Infotainment w/ Google Built-In &amp; Bose Audio -HD Surround Vision &amp; Head-Up Display -Off-Road Suspension &amp; Skid Plates Price includes: $1500 - Purchase Allowance. Exp. 01/02/2026 $250 - Bonus Cash. Exp. 01/02/2026 $500 - Bonus Cash. Exp. 01/02/2026

New 2026 GMC Sierra 1500 AT4 w/ AT4 Premium Package

New 2026 GMC Sierra 1500 AT4 w/ AT4 Premium Package Wilmington IL 60481

AT4 Premium Package

Technology Package

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Automatic

Arnie Bauer Chevrolet GMC

 for sale in Wilmington, IL. Learn more about this vehicle.

New 2026 GMC Sierra 1500 AT4 w/ AT4 Premium Package for sale in Wilmington, IL 60481: Truck Details - 762838251 | Kelley Blue Book

New 2026 GMC Sierra 1500

w/ AT4 Premium Package AT4