Gray 2021 GMC Sierra 1500 AT4 Calgary AB Wolfe Auto Group | Stock Number: TU203911AA

GMC MultiPro Tailgate | Heated & Ventilated Front Seats | Bose Premium Audio | Power Sunroof | 20" Aluminum Wheels The 2021 GMC Sierra 1500 AT4 4WD is a bold, off-road–ready full-size pickup finished in Dark Sky Metallic with a Jet Black interior accented by Kalahari details. Powered by the 6.2L EcoTec3 V8 without Auto Stop/Start and paired to a smooth 10-speed automatic transmission, this AT4 delivers strong performance, confident towing, and refined everyday drivability. Built for capability, the AT4 package adds a factory 2-inch lift with off-road suspension, monotube shocks, skid plates, hill descent control, Autotrac two-speed transfer case, and a dual exhaust system with premium tips. Trailering confidence comes standard with the ProGrade Trailering System, trailer brake controller, hitch guidance, and trailering package, making this truck equally capable on the worksite or the weekend. Inside, the cabin blends rugged utility with premium comfort. Heated and ventilated front bucket seats, heated rear outboard seats, perforated leather-appointed seating, dual-zone automatic climate control, memory settings, heated leather-wrapped steering wheel, and a power sunroof create a refined driving experience. Technology highlights include the premium GMC Infotainment system with navigation, Apple CarPlay and Android Auto, Bose premium audio with subwoofer, wireless charging, HD Radio, SiriusXM, and OnStar connectivity. Exterior features reinforce the AT4’s aggressive stance with 20-inch machined aluminum wheels, GMC MultiPro tailgate, spray-on bedliner, red recovery hooks, LED lighting throughout, power-folding heated mirrors, rear wheelhouse liners, and LED cargo box lighting, delivering both function and unmistakable AT4 presence. Stock #TU203911AA AMVIC LICENSED DEALER | View photos and more info at: undefined/dashboard/view/report/20260204ixwdwpbn. (Uploaded by DataDriver).