Why BUY from Twin City Auto Center? When you choose this WHITE 2021 GMC Sierra 1500 SLT with 55,533 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: SLT Convenience PackagePower Sliding Rear Window with Rear DefoggerFront Bucket SeatsFloor-Mounted Center ConsoleHeated 2nd Row Outboard SeatsVentilated Driver and Front Passenger Seats2 USB Ports2 USB Ports (1st Row)Universal Home RemoteSLT Premium Plus Package ($6,145 value)Chrome Wheel to Wheel Assist StepsSpray-On Pickup Bed Liner with GMC Logo20" X 9" Polished Aluminum WheelsDriver Alert Package IPerimeter LightingUltrasonic Front and Rear Park AssistRear Cross Traffic AlertLane Change Alert with Side Blind Zone AlertDriver Alert Package IISafety Alert SeatAdaptive Cruise ControlIntelliBeam Automatic High Beam On/offFollowing Distance IndicatorForward Collision AlertLane Keep Assist with Lane Departure WarningAutomatic Emergency BrakingFront Pedestrian BrakingX31 Off-Road Package ($850 value)Hill Descent ControlHeavy-Duty Air FilterDual Exhaust with Premium TipsOff-Road Suspension2-Speed Transfer CaseSkid PlatesX31 Hard BadgePreferred Equipment Group 4SAGMC 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 LinersColor-Keyed Carpeting Floor CoveringRemote Vehicle Starter SystemElectric Rear-Window DefoggerCompassAuto-Locking Rear DifferentialChrome GrilleIntegrated Trailer Brake ControllerHeated Driver and Front Outboard Passenger Seating120-Volt Instrument Panel Power OutletAuxiliary External Transmission Oil Cooler12-Volt Rear Auxiliary Power Outlet170 Amp AlternatorElectrical Lock Control Steering ColumnManual Tilt-Wheel and Telescoping Steering ColumnSingle Speed Transfer CaseProGrade Trailering SystemOnStar and GMC Connected Services CapableLED Cargo Area LightingSteering Wheel Audio ControlsRear Dual USB Charging-Only PortsTheft Deterrent System (unauthorized Entry)Front Frame-Mounted Black Recovery Hooks4G LTE Wi-Fi Hotspot CapableTrailering PackageSLT Preferred PackagePremium GMC Infotainment System Radio with NavigationWireless ChargingPremium Bose 7-Speaker Sound System Safety and Security Forward collision mitigation - Forward thinking. You look away for just a second and suddenly the vehicle in front of you has stopped. That's when the forward collision mitigation system comes to life. When it senses an impending impact, it will activate a combination of features to help prevent or reduce the severity of an accident. Forward collision mitigation is always looking ahead. Pedestrian impact prevention - An extra step toward safety. Pedestrians don't always stop, look, and listen, but with Pedestrian Impact Prevention, your vehicle is equipped to better see them and avoid them. This system constantly monitors the road ahead to identify and track pedestrians. It projects that image to an interior display screen, AND should an impact become likely, Pedestrian impact prevention takes steps to avoid a collision.Technology and Telematics Smart device mirroring - Smartphone, meet smart car. You can control your device through your vehicle's infotainment system. Smart device mirroring brings together safety and convenience by making it easier to find what you're looking for while keeping your eyes on the road. Smart device mirroring - Smartphone, meet smart car. You can control your device through your vehicle's infotainment system. Smart device mirroring brings together safety and convenience by making it easier to find what you're looking for while keeping your eyes on the road. Mobile hotspot - WiFi on the fly. Connect your devices to the Internet through your vehicles private