** Alloy Wheels / Premium Wheels, ** Bluetooth®, Hands Free, ** Cruise Control, ** Keyless Entry, ** Premium Sound System / Premium Audio, ** Satellite Radio, ** Steering Wheel Controls, 10-Speed Automatic, 4WD, Dark Walnut/Slate 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, 170 Amp Alternator, 2 Charge/Data USB Ports, 2 Charge/Data USB Ports Inside Center Console, 2 Type-C Charge-Only Rear USB Ports, 20 Polished Aluminum Wheels, 3.23 Rear Axle Ratio, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Adaptive Cruise Control, Air Conditioning, All-Weather Floor Liner (LPO), Alloy wheels, AM/FM radio, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Auto-Locking Rear Differential, Automatic Emergency Braking, Automatic temperature control, Auxiliary External Transmission Oil Cooler, Brake assist, Buckle to Drive, Bumpers: chrome, Chrome Header & Chrome Grille Insert Bars, Chrome Wheel To Wheel Assist Steps, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual Exhaust System, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electrical Steering Column Lock, Electronic Precision Shift, Electronic Stability Control, Emergency communication system: OnStar and GMC connected services capable, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front 40/20/40 Split-Bench Seat, Front anti-roll bar, Front Bucket Seats, Front Center Armrest w/Storage, Front dual zone A/C, Front fog lights, Front Frame-Mounted Black Recovery Hooks, Front License Plate Kit, Front Pedestrian Braking, 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 front seats, Heated steering wheel, Heavy-Duty Air Filter, High Capacity Suspension Package, 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 Keep Assist w/Lane Departure Warning, LED Cargo Area Lighting, Low tire pressure warning, Manual Tilt-Wheel & Telescoping Steering Column, Memory seat, Navigation System, Not Equipped w/Steering Column Lock, 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, Perf Leather-Appointed Front Outboard 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 Rake & Telescoping Steering Column, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Rear Defogger, Power steering, Power windows, Preferred Equipment Group 4SA, Premium audio system: GMC Infotainment System, Premium Bose 7-Speaker Sound System, ProGrade Trailering System, Push Button Start, Radio data system, Radio: Premium GMC Infotainment Audio System, Rain sensing wipers, Rear Cross Traffic Braking, Rear Pedestrian Detection, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear Wheelhouse Liners, Rear window defroster, Remote keyless entry, Remote Vehicle Starter System, Safety Alert Seat, Security system, Sierra Safety Plus Package, SiriusXM w/360L, SLT Convenience Package, SLT Preferred Package, SLT Premium Plus Package, Speed control, Speed-sensing ste