Recent Arrival!! Summit White 2021 GMC Sierra 1500 SLT SLT EcoTec3 5.3L V8 4WD 8-Speed Automatic Sierra 1500 SLT, 4D Crew Cab, EcoTec3 5.3L V8, 8-Speed Automatic, 4WD, Summit White, Jet Black Leather, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 12-Volt Rear Auxiliary Power Outlet, 170 Amp Alternator, 20'' x 9'' Polished Aluminum Wheels, 4G LTE Wi-Fi Hotspot Capable, 6-Speaker Audio System Feature, Alloy wheels, AM/FM radio: SiriusXM with 360L, Auto-Locking Rear Differential, Automatic temperature control, Auxiliary External Transmission Oil Cooler, Brake assist, Chrome Grille, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Delay-off headlights, Driver Memory, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Front 40/20/40 Split-Bench Seat, Front dual zone A/C, Front Frame-Mounted Black Recovery Hooks, Fully automatic headlights, GMC Connected Access Capable, Heated Driver & Front Outboard Passenger Seating, Heated front seats, Hitch Guidance, Hitch Guidance w/Hitch View, Integrated Trailer Brake Controller, In-Vehicle Trailering App, Keyless Open & Start, LED Cargo Area Lighting, Low tire pressure warning, Manual Tilt-Wheel & Telescoping Steering Column, Memory seat, Occupant sensing airbag, OnStar & GMC Connected Services Capable, Overhead airbag, Perf Leather-Appointed Front Outboard Seat Trim, Power Door Locks, 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 steering, Power windows, Preferred Equipment Group 4SA, Premium audio system: GMC Infotainment System, ProGrade Trailering System, Radio: Premium GMC Infotainment Sys w/Multi-Touch, Rear Dual USB Charging-Only Ports, Rear Wheelhouse Liners, Rear window defroster,