This powerful 2020 GMC Sierra 1500 SLT delivers the performance and capability you're looking for in a full-size truck. Finished in striking Onyx Black with an EcoTec3 6.2L V8 engine, this one-owner vehicle comes with a clean Carfax history and no accidents reported. With thoughtfully selected packages and premium features, this Sierra is ready to handle work or weekend adventures.

Features include:
- EcoTec3 6.2L V8 with 10-Speed Automatic and 4WD
- SLT Premium Plus Package
- X31 Off-Road Package with off-road suspension and hill descent control
- 275/60R20 all-terrain blackwall tires on 20 aluminum wheels
- ProGrade Trailering System with integrated trailer brake controller
- Premium GMC Infotainment System with navigation and 4G LTE Wi-Fi hotspot
- Premium Bose 7-speaker sound system with HD Radio and SiriusXM
- Advanced safety features including adaptive cruise control, automatic emergency braking, lane keep assist, and rear cross traffic alert
- Heated and ventilated front seats with 10-way power adjustment
- Wireless charging, keyless open and start, and remote vehicle starter
- Spray-on bed liner, chrome assist steps, and perimeter lighting

This Sierra achieves an estimated 15 city and 20 highway MPG. The well-appointed interior combines comfort with connectivity, while the off-road package and locking rear differential provide genuine capability. Whether you're towing, hauling, or exploring, this truck is equipped to perform.

Visit us to experience this Sierra 1500 SLT firsthand and discover why it's the right choice for your next truck.

Proudly serving O'Fallon, IL and nearby communities like Shiloh, Belleville, Fairview Heights, Collinsville, and the greater St. Louis Metro East, our dealership is committed to delivering exceptional customer service and high‑quality vehicles at fair, competitive prices. From sales to service, our family‑owned team is driven by integrity, value, and a passion for automotive excellence. When you're searching for a trusted dealership near O'Fallon, Illinois, you can count on us to provide a transparent, community‑focused experience you'll feel confident recommending for generations to come.