This 2020 GMC Sierra 1500 SLT Quicksilver Metallic with Dark Walnut/Slate interior has 129,037 miles. No Accidents! EMISSIONS, FEDERAL REQUIREMENTS, ENGINE, 5.3L ECOTEC3 V8, TRANSMISSION, 10-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED, GVWR, 7100 LBS. (3221 KG), REAR AXLE, 3.23 RATIO, WHEELS, 20" X 9" (50.8 CM X 22.9 CM) POLISHED ALUMINUM, TIRES, 275/60R20SL ALL-TERRAIN, BLACKWALL, QUICKSILVER METALLIC, SEATS, FRONT BUCKET, DARK WALNUT/SLATE, PERFORATED LEATHER-APPOINTED FRONT SEAT TRIM, AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH NAVIGATION AND 8" DIAGONAL COLOR TOUCH-SCREEN, INCLUDES MULTI-TOUCH DISPLAY, AM/FM STEREO, SLT PREMIUM PLUS PACKAGE, X31 OFF-ROAD PACKAGE, SLT CONVENIENCE PACKAGE, SLT PREFERRED PACKAGE, DRIVER ALERT PACKAGE I, DRIVER ALERT PACKAGE II, AIR FILTER, HIGH-CAPACITY, HILL DESCENT CONTROL, TRANSFER CASE, TWO-SPEED, ELECTRONIC AUTOTRAC, SKID PLATES, EXHAUST, DUAL WITH PREMIUM TIPS, TIRE, SPARE 255/80R17SL ALL-SEASON, BLACKWALL, ASSIST STEPS, CHROME WHEEL TO WHEEL, INTELLIBEAM, AUTOMATIC HIGH BEAM ON/OFF, WINDOW, POWER, REAR SLIDING WITH REAR DEFOGGER, LICENSE PLATE KIT, FRONT, BED LINER, SPRAY-ON, BOSE SOUND SYSTEM, PREMIUM 7-SPEAKER SYSTEM, SEATS, VENTILATED DRIVER AND FRONT PASSENGER, SEATS, HEATED SECOND ROW OUTBOARD SEATS, CENTER CONSOLE, FLOOR-MOUNTED, UNIVERSAL HOME REMOTE, ADAPTIVE CRUISE CONTROL - CAMERA, WIRELESS CHARGING, USB PORTS, 2 (FIRST ROW) LOCATED ON INSTRUMENT PANEL, AUTOMATIC EMERGENCY BRAKING, FRONT PEDESTRIAN BRAKING, FRONT AND REAR PARK ASSIST, ULTRASONIC, FOLLOWING DISTANCE INDICATOR, FORWARD COLLISION ALERT, LANE KEEP ASSIST, LANE CHANGE ALERT, REAR CROSS TRAFFIC ALERT, SAFETY ALERT SEAT 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 RemoteDriver 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 Control - CameraIntelliBeam 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 ControlHigh-Capacity Air FilterDual Exhaust with Premium Tips2-Speed Transfer CaseSkid PlatesOff-Road SuspensionX31 Hard BadgeSLT Preferred PackagePremium GMC Infotainment System Radio with NavigationWireless ChargingPremium Bose 7-Speaker Sound SystemSLT Premium Plus Package ($6,160 value)Chrome Wheel to Wheel Assist StepsSpray-On Pickup Bed Liner with GMC Logo20" X 9" Polished Aluminum WheelsPreferred 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 DefoggerCompassHitch GuidanceHeavy-Duty Rear Locking 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 Alternator5.3L EcoTec3 V8 EngineElectrical Lock Control Steering ColumnManual Tilt-Wheel and Telescoping Steering ColumnSingle Speed Transfer CaseProGrade Trailering SystemHD RadioOnStar 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 Package Convenience This "intelligent" cruise control system uses laser or radar to maintain a preset following distance behind another vehicle, automatically braking or accelerating as