Adventure-Ready 2022 GMC Sierra 1500 AT4X: Titanium Rush Metallic Crew Cab Truck with 10-Speed Automatic Transmission and 8 Cylinder Engine. This used 2022 GMC Sierra 1500 AT4X in Titanium Rush Metallic offers a rugged yet stylish Crew Cab Truck experience. With a 10-Speed Automatic Transmission and powerful 8 Cylinder Engine, this vehicle is equipped for any terrain. The GMC Sierra 1500 AT4X trim boasts a range of premium features, including Adaptive Cruise Control, Heads-Up Display, and Heate