POWER MOONROOF / SUNROOF / POWER TILT SLIDING ROOF, VOICE ACTIVATED NAVIGATION, NAVIGATION / GPS / NAV, LANE DEPARTURE WARNING, LANE DEPARTURE ALERT / LANE KEEPING ALERT, REARVIEW CAMERA / BACK UP CAMERA / REVERSE CAMERA, REAR VIEW CAMERA WDYNAMIC GUIDELINES, ANDROID AUTO & APPLE CARPLAY, HEATED & COOLED FRONT ROW SEATS, HEATED FRONT ROW SEATS, HEATED SECOND ROW SEATS, POWER WINDOWS & LOCKS, FOUR WHEEL DRIVE / 4WD / 4X4, STEERING WHEEL AUDIO CONTROLS, WIRELESS CHARGING, SPRAY IN BED LINER, REMOTE START, PREMIUM AUDIO SOUND SYSTEM, POWER SLIDING REAR WINDOW, BLUETOOTH AUDIO STREAMING, BLUETOOTH & BLUETOOTH STREAMING, BLUETOOTH HANDS-FREE PHONE SYSTEM, INTEGRATED TRAILER BRAKE CONTROLLER / TRAILER BRAKE CONTROLLER, BED LINER, BLUETOOTH, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 12-Volt Rear Auxiliary Power Outlet, 2 USB Ports, 2 USB Ports (1st Row), 4.2 Diagonal Color Display Driver Info Center, 4G LTE Wi-Fi Hotspot Capable, AT4 Preferred Package, Auto-Locking Rear Differential, Auxiliary External Transmission Oil Cooler, Body-Color Surround Grille, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Floor-Mounted Center Console, Front Prem Floor Liners w/Removable Carpet Insert, GMC Connected Access Capable, HD Rear Vision Camera, Heated Driver & Front Outboard Passenger Seating, Heavy-Duty Air Filter, Hill Descent Control, Hitch Guidance, Hitch Guidance w/Hitch View, Integrated Trailer Brake Controller, In-Vehicle Trailering App, Keyless Open & Start, LED Cargo Area Lighting, Manual Tilt-Wheel & Telescoping Steering Column, Navigation System, OnStar & GMC Connected Services Capable, Power Door Locks, Power Front Passenger Windows w/Express Up/Down, Power Front Windows w/Driver Express Up/Down, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Rear Defogger, Power Sunroof, Preferred Equipment Group 4SB, Premium Bose 7-Speaker Sound System, ProGrade Trailering System, Radio: Premium GMC Infotainment Sys w/Navigation, Rear Dual USB Charging-Only Ports, Rear Prem Floor Liners w/Removable Carpet Insert, Rear Wheelhouse Liners, Red Recovery Hooks, Remote Vehicle Starter System, SiriusXM w/360L, Spray-On Pickup Bed Liner w/AT4 Logo, Steering Wheel Audio Controls, Theft Deterrent System (Unauthorized Entry), Trailering Package, Universal Home Remote, Ventilated Driver & Front Passenger Seats, Wireless Charging. 2021 GMC Sierra 1500 AT4 4WD Cardinal Red EcoTec3 6.2L V8