This 2021 GMC Sierra 1500 AT4 Crew Cab Short Box combines rugged capability with refined comfort, featuring a distinctive maroon exterior paired with a black interior. Powered by a Duramax 3.0L I-6 direct injection turbo diesel engine, it delivers 277 horsepower and strong torque suitable for both work and everyday driving. The 4WD system is enhanced by a 2-speed transfer case and an integrated trailer brake controller, making towing and off-road adventures more controlled and confident. Inside, this AT4 is thoughtfully equipped with ventilated and heated front seats trimmed in perforated leather, providing comfort in various climates. Keyless open and start along with a remote vehicle starter offer added convenience. Safety is supported by technologies including an HD Rear Vision Camera with a hitch view, StabiliTrak electronic stability control with proactive roll avoidance, brake assist, and a Teen Driver restricted driving mode to ensure responsible operation. Stay connected on the go with 4G LTE Wi-Fi hotspot capability, a primary touchscreen display with voice-activated audio controls, Bluetooth® wireless streaming, internet radio, and external memory inputs through the premium GMC Infotainment System. This Sierra 1500 balances advanced technology, safety, and comfort, meeting the needs of drivers seeking a versatile full-size pickup.