Check out this 2020 GMC Sierra 2500HD AT4 offered by Royal Chevrolet GMC 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, 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, GOOSENECK / 5TH WHEEL PACKAGE, DRIVER ALERT PACKAGE I, DRIVER ALERT PACKAGE II, SNOW PLOW PREP/CAMPER PACKAGE, ENGINE BLOCK HEATER, ALTERNATOR, 220 AMPS, HIGH IDLE SWITCH, GOOSENECK / 5TH WHEEL PREP PACKAGE -- HITCH PLATFORM TO ACCEPT GOOSENECK OR 5TH WHEEL HITCH., EXHAUST BRAKE, SUNROOF, POWER, LPO, BLACK TUBULAR ASSIST STEPS, 6" RECTANGULAR, WINTER GRILLE COVER, INTELLIBEAM, AUTOMATIC HIGH BEAM ON/OFF, LAMPS, SMOKED AMBER LED ROOF MARKER, (LED), 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 Driver 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 BrakingAT4 Premium Package ($3,465 value)20" 6-Spoke Bright Machined Aluminum Wheels6" Rectangular Black Tubular Assist StepsTechnology 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 ProvisionsPreferred 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 PackageGooseneck/5th Wheel Package ($545 value)Gooseneck/5th Wheel Prep PackageAT4 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 SystemSnow Plow Prep/camper Package ($150 value)Skid Plates Safety and Security Forward collision mitigation - Forward thinking. You look away for just a second and