Conquer Every Terrain with the 2020 GMC Sierra 1500 SLT: Power, Precision, and Prestige in a Dark Sky Metallic Finish Experience the commanding presence of the 2020 GMC Sierra 1500 SLT, a truck designed for those who demand both power and sophistication. Beneath its sleek Dark Sky Metallic exterior lies a formidable 8-cylinder engine paired with a 10-speed automatic transmission, offering seamless performance and exceptional towing capabilities. This 4x4 Crew Cab Pickup, with its short bed conf
