2021 GMC Sierra 1500 AT4 4WD - McConnellsburg, PA
Command the road and trail with this rugged 2021 GMC Sierra 1500 AT4, located in McConnellsburg, PA. Powered by a robust 5.3L V8 gasoline engine and equipped with four-wheel drive, this GMC Sierra AT4 blends purposeful capability with premium comfort. The Off-Road Package enhances suspension and traction features for confident performance on rough terrain, while the AT4-specific styling and skid protection underscore its adventure-ready character.
Inside, premium leather seats surround you with comfort and durability for long drives or tough workdays. Modern convenience features include hands-free Bluetooth for safe phone and audio control, and a back-up camera that simplifies parking and hitching trailers. Practical tech and upscale appointments make this GMC Sierra an excellent choice for drivers who want utility without sacrificing refinement.
This truck comes with a CARFAX Clean Report, providing added peace of mind about its history and maintenance record. Whether you need a capable work truck, a weekend trail vehicle, or a comfortable daily driver, the GMC Sierra 1500 AT4 offers a versatile package engineered to perform.
Contact our McConnellsburg, PA location to arrange a test drive or to request the full vehicle history. Experience the durability, comfort, and capability of this 2021 GMC Sierra 1500 AT4 firsthand.






