Poised and powerful, our bold 2021 GMC Sierra 1500 AT4 Crew Cab Standard Box 4X4 has just what you need to conquer tough terrain in Onyx Black! Motivated by a 6.2 Liter EcoTec3 V8 offering 420hp to a 10 Speed Automatic transmission for robust strength on the road or off. This Four Wheel Drive truck also rides on a 2-inch factory lift kit with a trail-friendly suspension and Autotrac two-speed transfer case, and it scores approximately 11.8L/100km on the highway with a confident design. Just check out the mighty grille, red recovery hooks, LED lighting, fog lamps, 18-inch alloy wheels, and the ProGrade Trailering System and six-way MultiPro tailgate for fantastic functionality. Our AT4 cabin is well equipped for action with leather heated/ventilated power front and heated rear seats, a heated leather steering wheel, dual-zone automatic climate control, keyless open/ignition, remote start, and 12V/120V power outlets. Stay connected on your next adventure with an 8-inch touchscreen, wireless Android Auto/Apple CarPlay, WiFi compatibility, Bluetooth, and a six-speaker sound system. GMC puts a high priority on your safety with StabiliTrak stability/traction control, trailer-sway control, hill-start assist, an HD backup camera, a rear-seat reminder, tire-pressure monitoring, ABS, and an array of airbags. Achieve more every day in our precisely engineered Sierra 1500 AT4! Print this page and call us Now... We Know You Will Enjoy Your Test Drive Towards Ownership!