Summit White 2021 GMC Sierra 1500 SLT 4WD 10-Speed Automatic 3.0L I6 Fresh Oil Change, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Instrument Panel Power Outlet, 170 Amp Alternator, 3.23 Rear Axle Ratio, 4G LTE Wi-Fi Hotspot Capable, Adaptive Cruise Control, Auto-Locking Rear Differential, Automatic Emergency Braking, Auxiliary External Transmission Oil Cooler, Chrome Grille, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Driver Alert Package II, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Following Distance Indicator, Forward Collision Alert, Front Frame-Mounted Black Recovery Hooks, Front Pedestrian Braking, GMC Connected Access Capable, Heated Driver & Front Outboard Passenger Seating, Integrated Trailer Brake Controller, IntelliBeam Automatic High Beam On/Off, Keyless Open & Start, Lane Keep Assist w/Lane Departure Warning, LED Cargo Area Lighting, Manual Tilt-Wheel & Telescoping Steering Column, 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, Preferred Equipment Group 4SA, ProGrade Trailering System, Rear Dual USB Charging-Only Ports, Rear Wheelhouse Liners, Remote Vehicle Starter System, Safety Alert Seat, Steering Wheel Audio Controls, Theft Deterrent System (Unauthorized Entry), Trailering Package, Wheels: 18 x 8.5 6-Spoke Machined Aluminum, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 120-Volt Bed Mounted Power Outlet, 220 Amp Alternator, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic temperature control, Brake assist, Bumpers: chrome, Delay-off headlights, Driver Alert Package I, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Engine Block Heater, Front & Rear Black Molded Splash Guards (LPO), Front 40/20/40 Split-Bench Seat, Front anti-roll bar, Front Center Armrest w/Storage, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Heated door mirrors, Heated front seats, Heated steering wheel, Heavy Duty Suspension, Hitch Guidance, Hitch Guidance w/Hitch View, Illuminated entry, In-Vehicle Trailering App, Lane Change Alert w/Side Blind Zone Alert, Low tire pressure warning, Memory seat, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Perf Leather-Appointed Front Outboard Seat Trim, Power door mirrors, Power driver seat, Power passenger seat, Power steering, Power windows, Premium audio system: GMC Infotainment System, Radio data system, Radio: Premium GMC Infotainment Sys w/Multi-Touch, Rear Cross Traffic Alert, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear window defroster, Remote keyless entry, Security system, SiriusXM w/360L, Speed control, Speed-sensing steering, Split folding rear seat, Steering wheel mounted audio controls, Tachometer, Telescoping steering wheel, Tilt steering wheel, Traction control, Trip computer, Ultrasonic Front & Rear Park Assist, Variably intermittent wipers, Voltmeter, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Instrument Panel Power Outlet, 170 Amp Alternator, 3.23 Rear Axle Ratio, 4G LTE Wi-Fi Hotspot Capable, Adaptive Cruise Control, Auto-Locking Rear Differential, Automatic Emergency Braking, Auxiliary External Transmission Oil Cooler, Chrome Grille, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Driver Alert Package II, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Following Distance Indicator, Forward Col