Sierra 1500 SLT, 4D Crew Cab, EcoTec3 5.3L V8, 10-Speed Automatic, 4WD, Summit White, Dk Walnut/Slate Perforate Leather, 120-Volt Bed Mounted Power Outlet, 120-Volt Interior Power Outlet, 170 Amp Alternator, 20'' Polished Aluminum Wheels, 3.42 Rear Axle Ratio, 6-Speaker Audio System Feature, Adaptive Cruise Control, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-Locking Rear Differential, Automatic temperature control, Auxiliary External Transmission Oil Cooler, Brake assist, Chrome Header and Chrome Grille Insert Bars, Chrome Wheel to Wheel Assist Steps, Deep-Tinted Glass, Driver Memory, Dual Exhaust System, Electric Rear-Window Defogger, Electronic Precision Shift, Electronic Stability Control, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front 40/20/40 Split-Bench Seat, Front Bucket Seats, Front Center Armrest w/Storage, Front dual zone A/C, Front fog lights, Front Frame-Mounted Black Recovery Hooks, Front Rain-Sensing Wipers, HD Rear Vision Camera, Heated 2nd Row Outboard Seats, Heated door mirrors, Heated front seats, Heated steering wheel, Heavy-Duty Air Filter, High Capacity Suspension Package, Hill Descent Control, Hitch Guidance, Illuminated entry, Integrated Trailer Brake Controller, Keyless Open and Start, Lane Keep Assist with Lane Departure Warning, LED Cargo Area Lighting, Manual Tilt-Wheel and Telescoping Steering Column, Memory seat, Navigation System, Off-Road Suspension, OnStar Services Capable, Overhead console, Perimeter Lighting, Power Rake and Telescoping Steering Column, Power Sliding Rear Window with Rear Defogger, Power Sunroof, Preferred Equipment Group 4SA, Premium Bose 7-Speaker Sound System, Push Button Start, Radio: Premium GMC Infotainment Audio System, Rear step bumper, Rear Wheelhouse Liners, Remote Vehicle Starter System, Security system, SLT Convenience Package, SLT Preferred Package, SLT Premium Package, Spray-on Pickup Bedliner with GMC Logo, St