REARVIEW CAMERA / BACK UP CAMERA / REVERSE CAMERA, REAR VIEW CAMERA WDYNAMIC GUIDELINES, ANDROID AUTO & APPLE CARPLAY, LEATHER SEATS, 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, SPRAY IN BED LINER, REMOTE START, PUSH-BUTTON START, PREMIUM AUDIO SOUND SYSTEM, BLUETOOTH AUDIO STREAMING, BLUETOOTH & BLUETOOTH STREAMING, BLUETOOTH HANDS-FREE PHONE SYSTEM, INTEGRATED TRAILER BRAKE CONTROLLER / TRAILER BRAKE CONTROLLER, HEATED STEERING WHEEL, DUAL ZONE A/C CONTROLS, BED LINER, BLUETOOTH, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 12-Volt Rear Auxiliary Power Outlet, 170 Amp Alternator, 2 USB Ports, 2 USB Ports (1st Row), 20 x 9 Polished Aluminum Wheels, 3.23 Rear Axle Ratio, 4G LTE Wi-Fi Hotspot Capable, All-Weather Floor Liner (LPO), Auto-Locking Rear Differential, Auxiliary External Transmission Oil Cooler, Chrome Grille, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Electronic Stability Control, Floor-Mounted Center Console, Front Bucket Seats, Front fog lights, Front Frame-Mounted Black Recovery Hooks, GMC Connected Access Capable, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seating, Heavy-Duty Air Filter, Hitch Guidance, Hitch Guidance w/Hitch View, Illuminated entry, Integrated Trailer Brake Controller, In-Vehicle Trailering App, Keyless Open & Start, LED Cargo Area Lighting, Manual Tilt-Wheel & Telescoping Steering Column, Not Equipped w/Automatic Stop/Start, Not Equipped w/HD Radio, 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, Preferred Equipment Group 4SA, Premium audio system: GMC Infotainment System, ProGrade Trailering System, Rear Dual USB Charging-Only Ports, Rear Wheelhouse Liners, Remote Vehicle Starter System, SLT Convenience Package, Spray-On Pickup Bed Liner w/GMC Logo, Steering Wheel Audio Controls, Telescoping steering wheel, Theft Deterrent System (Unauthorized Entry), Trailering Package, Universal Home Remote, Variably intermittent wipers, Ventilated Driver & Front Passenger Seats, X31 Off-Road & Protection Package. 2021 GMC Sierra 1500 SLT 4WD Onyx Black EcoTec3 6.2L V8