Why BUY from Dave Sinclair Buick GMC? When you choose this White 2021 gmc Sierra 3500HD AT4 with miles, you are not just buying a used vehicle - you are investing in quality, reliability and peace of mind. Our clientele depend on us for Transparent Pricing, Convenience and, most importantly, Customer FIRST Service! No Accidents! What this vehicle includes: Driver Alert Package IPerimeter LightingUltrasonic Front and Rear Park AssistRear Cross Traffic AlertLane Change Alert with Side Blind Zone AlertDriver Alert Package IISafety Alert SeatIntelliBeam Automatic High Beam On/offFollowing Distance IndicatorForward Collision AlertLane Departure WarningAutomatic Emergency BrakingAT4 Premium Plus PackagePower Sunroof20" Machined Aluminum WheelsAT4 High Clearance StepTechnology PackageAuto-Dimming Inside Rearview Mirror with Camera8" Driver Information CenterMulticolor 15" Diagonal Head-Up DisplayPreferred Equipment Group 4SBGMC Connected Access CapablePower Front Passenger Windows with Express Up/downPower Rear Windows with Express DownDeep-Tinted GlassKeyless Open and StartPower Door LocksPower Front Windows with Driver Express Up/downRear Wheelhouse LinersPremium Rear Floor Liners with Removable Carpet InsertPremium Front Floor Liners with Removable Carpet InsertRemote Vehicle Starter SystemElectric Rear-Window DefoggerSpray-On Pickup Bed Liner with AT4 LogoCompass Located in Instrument ClusterFloor-Mounted Center ConsolePainted Black Surround Grille with High Gloss Black MeshIntegrated Trailer Brake ControllerHeated Driver and Front Outboard Passenger Seats2nd Row Heated Outboard Seats120-Volt Bed Mounted Power Outlet120-Volt Instrument Panel Power Outlet12-Volt Rear Auxiliary Power OutletVentilated Driver and Front Passenger Seats2 USB Ports Inside Console2 USB Ports (first Row)Electrical Lock Control Steering ColumnManual Tilt-Wheel/telescoping Steering Column2-Speed Active Transfer CaseProGrade Trailering System4.2" Diagonal Color Display Driver Info CenterOnStar and GMC Connected Services CapableLED Cargo Area LightingRed Recovery HooksSteering Wheel Audio Controls2nd Row Dual USB Charge-Only PortsUnauthorized Entry Theft-Deterrent SystemHD Rear Vision Camera4G LTE Wi-Fi Hotspot CapableWireless Phone ProjectionX31 Off-Road PackageGooseneck/5th Wheel PackageGooseneck/5th Wheel Prep PackageAT4 Preferred Package Safety and Security The vehicle is equipped with a system that senses, and then prepares, the vehicle and/or occupants, for an impending forward collision. The vehicle is equipped with a camera that displays an image of the area behind the vehicle on an interior display.Technology and Telematics Without the need for a manufacturer specific app to be installed on the smart device, the vehicle infotainment system can access and control functions of a smart device physically plugged-into the vehicle. Apple CarPlay/Android Auto smart device wireless mirroring Mobile devices can wirelessly connect to the internet through the vehicle's private mobile network. Come on in to Dave Sinclair Buick GMC today at 5655 South Lindbergh Blvd St Louis MO 63123 or call (314) 272-4060 to schedule a test drive!