Certified Used 2026 GMC Sierra 1500 AT4 for Sale

Shop certified GMC Sierra 1500 full-size pickup truck backed by the Ford Blue Advantage Program. The Sierra 1500 stands out for its performance and comfort, while also offering a luxury feel that is sure to impress. Perfect for utility, the Sierra 1500 features a six-function MultiPro tailgate that allows for easy loading and unloading of cargo. The GMC Sierra 1500 has five available engine options paired with automatic transmission, including a 2.7-liter turbocharged four-cylinder, V6, 5.3-liter V8, 6.2-liter V8, and Duramax turbo-diesel engine, with a range of customization options available to suit your needs. Safety features such as traction control, stability control, and tire pressure monitoring system come standard. Search Pro, SLE, Elevation, SLT, AT4, Denali, AT4X, and Denali Ultimate trim levels.