Thank you for choosing Steven Lust Chevrolet and GMC, this Brownstone Metallic 2020 GMC Sierra 2500HD AT4 is a great choice! Check out the following: OTHER NOTABLE FEATURES AND OPTIONS YOU SHOULD KNOW ABOUT: AT4 Premium Package ($3,465 value)20" 6-Spoke Bright Machined Aluminum Wheels6" Rectangular Black Tubular Assist StepsDriver Alert Package IPerimeter LightingUltrasonic Front and Rear Park AssistRear Cross Traffic AlertLane Change Alert with Side Blind Zone AlertDriver Alert Package II ($645 value)Safety Alert SeatIntelliBeam Automatic High Beam On/offFollowing Distance IndicatorForward Collision AlertLane Departure WarningAutomatic Emergency BrakingPreferred Equipment Group 4SB1st and 2nd Rows All-Weather Floor LinersPower Front Passenger Windows with Express Up/downPower Rear Windows with Express DownDeep-Tinted GlassKeyless Open and StartPower Door LocksPower Windows with Driver Express Up/downRear Wheelhouse LinersRemote Vehicle Starter SystemElectric Rear-Window DefoggerSpray-On Pickup Box Bed Liner with AT4 LogoCompass Located in Instrument ClusterFloor-Mounted Center ConsolePainted Black Surround GrilleIntegrated Trailer Brake ControllerHeated Driver and Front Outboard Passenger SeatsHeated 2nd Row Outboard Seats120-Volt Bed Mounted Power Outlet120-Volt Instrument Panel Power Outlet12-Volt Rear Auxiliary Power OutletHeated and Ventilated Front Bucket Seats2 USB Ports2 USB Ports (1st 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 CameraX31 Off-Road PackageTechnology Package ($2,125 value)Rear Camera Mirror8" Multicolor Driver Instrument Info DisplayMulticolor 15" Diagonal Head-Up DisplayBed View CameraHD Surround Vision with 2 Trailer View Camera ProvisionsAT4 Preferred PackagePower Sliding Rear Window with DefoggerPremium GMC Infotainment System Radio with NavigationWireless ChargingLED Smoked Amber Roof Marker LampsUniversal Home RemoteBose Premium 7 Speaker Sound System PICKUP BED, EMISSIONS, FEDERAL REQUIREMENTS, ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE, TRANSMISSION, ALLISON 10-SPEED AUTOMATIC, GVWR, 11,350 LBS. (5148 KG), REAR AXLE, 3.42 RATIO, WHEELS, 20" (50.8 CM) 6-SPOKE BRIGHT MACHINED ALUMINUM, TIRES, LT275/65R20 ALL-TERRAIN, BLACKWALL, BROWNSTONE METALLIC, SEATS, FRONT BUCKET, JET BLACK WITH KALAHARI ACCENTS, PERFORATED LEATHER-APPOINTED FRONT SEAT TRIM, AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH NAVIGATION AND 8" DIAGONAL COLOR TOUCH-SCREEN, AT4 PREMIUM PACKAGE, TECHNOLOGY PACKAGE, AT4 PREFERRED PACKAGE, DRIVER ALERT PACKAGE I, DRIVER ALERT PACKAGE II, ENGINE BLOCK HEATER, ALTERNATOR, 220 AMPS, TRAILERING WIRING PROVISIONS, FOR TRAILERING, 5TH WHEEL AND GOOSENECK TRAILER, EXHAUST BRAKE, LPO, BLACK TUBULAR ASSIST STEPS, 6" RECTANGULAR, WINTER GRILLE COVER, INTELLIBEAM, AUTOMATIC HIGH BEAM ON/OFF, LAMPS, SMOKED AMBER LED ROOF MARKER, (LED), LICENSE PLATE KIT, FRONT, BOSE SOUND SYSTEM, PREMIUM 7-SPEAKER SYSTEM, DRIVER INFORMATION CENTER, ENHANCED, 8" DIAGONAL MULTICOLOR DIGITAL DISPLAY, MULTICOLOR 15" DIAGONAL HEAD-UP DISPLAY, WINDOW, POWER, REAR SLIDING, UNIVERSAL HOME REMOTE, WIRELESS CHARGING, REAR CAMERA MIRROR, INSIDE REARVIEW AUTO-DIMMING WITH FULL CAMERA DISPLAY, AUTOMATIC EMERGENCY BRAKING, FRONT AND REAR PARK ASSIST, ULTRASONIC, HD SURROUND VISION WITH TWO TRAILER VIEW CAMERA PROVISIONS, BED VIEW CAMERA, REAR CROSS TRAFFIC ALERT, LANE CHANGE ALERT WITH SIDE BLIND ZONE ALERT, FOLLOWING DISTANCE INDICATOR, FORWARD COLLISION ALERT, LANE DEPARTURE WARNING, SAFETY ALERT SEAT, TRAILER TIRE PRESSURE MONITOR SENSORS Safety and Security The vehicle is equipped with a system that senses, and then prepares, the vehicle and/or occupants