Sierra 1500 AT4 DURAMAX, 4D Crew Cab, 3.0L I6, 10-Speed Automatic, 4WD, Summit White, Jet Black With Kalahari Accents 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, 2 Charge/Data USB Ports Inside Center Console, 2 Type-C Charge-Only Rear USB Ports, 2 USB Ports, 220 Amp Alternator, 3.23 Rear Axle Ratio, 4-Wheel Disc Brakes, ABS brakes, Adaptive Cruise Control, Alloy wheels, Apple CarPlay/Android Auto, AT4 Preferred Package, AT4 Premium Package, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Auto-Locking Rear Differential, Automatic Emergency Braking, Bed View Camera, Black Chrome Header & Grille Insert Bars, Block heater, Brake assist, Buckle to Drive, Bumpers: body-color, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electrical Steering Column Lock, Electronic Stability Control, Emergency communication system: OnStar and GMC Connected Services capable, Engine Block Heater, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front fog lights, Front License Plate Kit, Front Pedestrian Braking, Front Prem Floor Liners w/Removable Carpet Insert, Front Rainsensing Wipers, Front reading lights, Front wheel independent suspension, Fully automatic headlights, GMC Connected Access Capable, HD Rear Vision Camera, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated door mirrors, Heated Driver & Front Outboard Passenger Seating, Heated rear seats, Heated Steering Wheel, Heated steering wheel, Heavy-Duty Air Filter, Hill Descent Control, Hitch Guidance, Hitch Guidance w/Hitch View, Illuminated entry, In-Vehicle Trailering App, Integr