CARFAX One-Owner. Clean CARFAX. Summit White 2020 GMC Sierra 1500 AT4 4WD 10-Speed Automatic 3.0L I6 CARFAX ONE OWNER, NON-SMOKER, Premium Sound Package, Leather Seats, Backup Camera, Bluetooth®, Moonroof, Alloy Wheels, Aluminum Wheels, Audio Package, Climate Package, Heat Package, Light Package, Power Mirror Package, Power Package, Remote Start, Sunroof/Moonroof, Tow Package, Trailer Package, Sierra 1500 AT4, 4D Crew Cab, 3.0L I6, 10-Speed Automatic, 4WD, Summit White, Jet Black w/Kalahari Accents w/Perforated Leather-Appointed Front Seat Trim, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 170 Amp Alternator, 2 USB Ports, 2 USB Ports (1st Row), 220 Amp Alternator, 3.23 Rear Axle Ratio, 4-Wheel Disc Brakes, 4.2 Diagonal Color Display Driver Info Center, 4G LTE Wi-Fi Hotspot Capable, 6 Speakers, 6-Speaker Audio System Feature, 8 Driver Information Center, ABS brakes, Adaptive Cruise Control - Camera, Air Conditioning, All-Weather Floor Liners w/AT4 Logo (LPO), Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, AT4 Carbon Hard Badge, AT4 CarbonPro Edition, AT4 Preferred Package, AT4 Premium Package, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Auxiliary External Transmission Oil Cooler, Bed View Camera, Black Off-Road Accessory Assist Step (LPO), Body-Color Surround Grille, Brake assist, Bumpers: body-color, CarbonPro (Carbon Fiber Composite) Bed, Cargo Convenience Package, Color-Keyed Carpeting Floor Covering, Compass, Console-Mounted Safe (LPO), Deep-Tinted Glass, Delay-off headlights, Driver Alert Package I, Driver Alert Package II, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Electronic Stability Control, Engine Block Heater, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Gloss Black Dual Exhaust Tips, GMC Connected Access Capable, HD Radio, HD Rear Vision Camera, HD Surround Vision w/2 Trailer View Camera Provisions, Heated 2nd Row Outboard Seats, Heated door mirrors, Heated Driver & Front Outboard Passenger Seating, Heated front seats, Heated rear seats, Heated steering wheel, Heavy-Duty Rear Locking Differential, High Gloss Black Mirror Caps, High-Capacity Air Filter, Hill Descent Control, Hitch Guidance, Hitch Guidance w/Hitch View, Illuminated entry, In-Vehicle Trailering App, Integrated Trailer Brake Controller, IntelliBeam Automatic High Beam On/Off, Keyless Open & Start, Lane Change Alert w/Side Blind Zone Alert, Lane Keep Assist w/Lane Departure Warning, LED Cargo Area Lighting, Low tire pressure warning, Manual Tilt-Wheel & Telescoping Steering Column, Memory seat, Multicolor 15 Diagonal Head-Up Display, MultiPro Audio System by Kicker, Occupant sensing airbag, Off-Road Suspension, OnStar & GMC Connected Services Capable, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Perforated Leather-Appointed Front Seat Trim, Perimeter Lighting, Power Door Locks, Power door mirrors, Power driver seat, Power Front Passenger Windows w/Express Up/Down, Power Front Windows w/Driver Express Up/Down, Power passenger seat, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Rear Defogger, Power steering, Power Sunroof, Power windows, Preferred Equipment Group 4SB, Premium audio system: GMC Infotainment System, Premium Bose 7-Speaker Sound System, ProGrade Trailerin