The SIERRA AUTO is a versatile and dependable truck that offers the convenience and ease of an automatic transmission. Built upon the Sierra model, this variant caters to drivers who prefer a seamless and effortless driving experience. With its automatic transmission, gear shifts are smooth and efficient, allowing for a comfortable ride in various driving conditions. The SIERRA AUTO retains the robust capabilities and performance of the Sierra, making it a reliable companion for hauling heavy loads, navigating off-road terrain, or tackling daily commuting tasks.