Summary
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Vehicle Details
Built for capability and refined comfort, this pre-owned 2020 GMC Sierra 1500 AT4 delivers the rugged performance truck shoppers want with the premium features they appreciate. Powered by a 6-cylinder, 3.0L Diesel engine and equipped with 4WD, it is ready for confident towing, hauling, and everyday driving across Wyoming roads. The AT4 trim adds bold style, off-road readiness, and a well-appointed cabin designed to keep you comfortable on long drives. This GMC Sierra 1500 includes Lane Keep Assist, a Back-Up Camera, a Heated Steering Wheel, and Hands Free Bluetooth® for added convenience and peace of mind. A CARFAX Clean Report provides added confidence in the vehicle's history, making this truck an excellent choice for buyers seeking quality and reliability. Inside, you'll find thoughtful details and modern technology that support a connected, enjoyable drive. Located in Sheridan WY, this GMC Sierra 1500 AT4 offers the strength, capability, and upscale feel that make it a standout in the full-size pickup segment. If you're searching for a versatile pre-owned truck with advanced safety features, diesel power, and proven GMC craftsmanship, this GMC Sierra 1500 deserves a closer look. The bold exterior design, aggressive stance, and AT4 badging help this truck stand out while delivering the durability and versatility drivers expect from a premium pre-owned pickup in Sheridan and surrounding communities for work, travel, and weekend adventures.

Equipment
This model has automated speed control that adjusts to maintain a safe following distance, enhancing highway driving convenience. Apple CarPlay: Seamless smartphone integration for this 2020 GMC Sierra 1500 - stay connected and entertained on the go! This unit's Lane Departure Warning helps keep you in your lane. An off-road package is equipped on the GMC Sierra. This unit offers Android Auto for seamless smartphone integration. Bluetooth® technology is built into this unit, keeping your hands on the steering wheel and your focus on the road. It stays safely in its lane with Lane Keep Assist. The steering wheel audio controls on this unit keep the volume and station within easy reach. Our dealership has already run the CARFAX report and it is clean. A clean CARFAX is a great asset for resale value in the future. The installed navigation system will keep you on the right path. Keep your hands warm all winter with a heated steering wheel in the vehicle .

Packages
Driver Alert Package I: Ultrasonic Front and Rear Park Assist; Rear Cross Traffic Alert; Perimeter Lighting; Lane Change Alert with Side Blind Zone Alert. Driver Alert Package II: Forward Collision Alert; Lane Keep Assist with Lane Departure Warning; Front Pedestrian Braking; Following Distance Indicator; Automatic Emergency Braking; Safety Alert Seat; IntelliBeam Automatic High Beam On/off; Adaptive Cruise Control - Camera. Technology Package: 8" Driver Information Centre; HD Surround Vision with 2 Trailer View Camera Provisions; Multi-Colour 15" Diagonal Head-Up Display; High Gloss Black Mirror Caps; Bed View Camera; Rear Camera Mirror. Preferred Equipment Group 4SB: Hitch Guidance; 2 USB Ports (1st Row); 3.23 Rear Axle Ratio; Electric Rear-Window Defogger; Theft Deterrent System (unauthorized Entry); Body-Colour Surround Grille; High-Capacity Air Filter; Skid Plates; Compass; 4.2" Diagonal Colour Display Driver Info Centre; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seating; Front Bucket Seats; 10-Speed Automatic Transmission; Colour-Keyed Carpeting Floor Covering; OnStar and GMC Connected Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; All-Weather Floor Liners with AT4 Logo; Power Rear Windows with Express Down; Integrated Trailer Brake Controller; Ventilated Driver and Front Passenger Seats; 18" X 8.5" Machined Aluminum Wheels; Manual Tilt-Wheel and Telescoping Steering Column; HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; Hill Descent Control; Floor-Mounted Centre Console; 170 Amp Alternator; Auxiliary External Transmission Oil Cooler; Electrical Lock Control Steering Column; Trailering Package; Off-Road Suspension; Steering Wheel Audio Controls; GMC Connected Access Capable; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bed Liner with AT4 Logo; HD Radio; Red Recovery Hooks; Power Front Windows with Driver Express Up/down; Rear Dual USB Charging-Only Ports; Keyless Open and Start; 4G LTE Wi-Fi Hotspot Capable; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; 2 USB Ports; Heavy-Duty Rear Locking Differential; Power Door Locks. AT4 Preferred Package: Premium Bose 7-Speaker Sound System; Power Sliding Rear Window with Rear Defogger; Wireless Charging; Universal Home Remote; Premium GMC Infotainment System Radio with Navigation. 6" Wheel to Wheel Black Tubular Assist Steps. LT275/65R18C MT BW Tires. Bed View Camera. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**