*Vehicle Details* Explore this pre-owned 2026 GMC Sierra 1500 AT4 for sale in East Dubuque, IL, a rugged and refined truck built for drivers who want capability and comfort in one package. With just 25,224 miles, this low-mileage GMC Sierra 1500 AT4 is a smart choice for anyone searching for a dependable 4WD pickup with premium features and serious off-road confidence. Powered by a 6-cylinder, 3.0L Diesel engine, this GMC Sierra delivers strong performance for towing, hauling, and everyday driving. The AT4 trim adds a bold stance and the Off-Road Package, giving you the equipment you need for rough roads, job sites, and weekend adventures. Inside, you'll find a premium BOSE stereo system that enhances every drive, along with advanced driver-assist technology designed to add peace of mind. Notable features include Adaptive Cruise Control, Lane Keep Assist, Lane Departure Warning, 4WD, and the Off-Road Package. This pre-owned GMC Sierra 1500 AT4 combines modern technology, durable engineering, and a clean, capable look that stands out on the road. If you're looking for a low-mileage pre-owned GMC Sierra 1500 in East Dubuque, IL, this AT4 deserves a closer look. Contact us today to schedule a test drive or learn more about this impressive truck. *Equipment* The steering wheel audio controls on the GMC Sierra keep the volume and station within easy reach. This GMC Sierra offers Android Auto for seamless smartphone integration. The installed navigation system will keep you on the right path. This vehicle has auto-adjust speed for safe following. Bluetooth technology is built into it, keeping your hands on the steering wheel and your focus on the road. It stays safely in its lane with Lane Keep Assist. This unit offers Apple CarPlay for seamless connectivity. This model's Lane Departure Warning helps keep you in your lane. This unit has a clean AutoCheck report, ensuring its impeccable vehicle history. Start this 1/2 ton pickup from inside with remote start. This 1/2 ton pickup is pure luxury with a heated steering wheel. An off-road package is equipped on this vehicle. with XM/Sirus Satellite Radio you are no longer restricted by poor quality local radio stations while driving the vehicle. Anywhere on the planet, you will have hundreds of digital stations to choose from. *Packages* AT4 Premium Package: Off-Road High Clearance Step. Technology Package: Multicolor 15" Diagonal Head-Up Display; Bed View Camera; Rear Camera Mirror. Preferred Equipment Group 4SB: Trailer Side Blind Zone Alert; Ultrasonic Front and Rear Park Assist; Trailer Camera Provisions; Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Black Chrome Grille Insert Bars; Front Rain-Sensing Wipers; Heavy-Duty Air Filter; Skid Plates; 120-Volt Interior Power Outlet; Heated Driver and Front Outboard Passenger Seating; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Color-Keyed Carpeting Floor Covering; OnStar Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; Premium Bose 7-Speaker Sound System; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Power Rake and Telescoping Steering Column; Keyless Open and Start; Perimeter Lighting; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; In-Vehicle Trailering System App; Hill Descent Control; 220 Amp Alternator; Floor-Mounted Center Console; Rear Cross Traffic Braking; GMC Pro Safety; Trailering Package; 2 USB Ports; 2 Charge/data USB Ports Inside Center Console; Off-Road Suspension; Steering Wheel Audio Controls; 2 type-C Charge-Only Rear USB Ports; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; Red Recovery Hooks; SiriusXM with 360L Trial Subscription; Hitch View; Power Front Windows with Driver Express Up/down; Rear Pedestrian Detection; Wi-Fi Hotspot Capable; Rear Whee