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 220 Amp Alternator 3.23 Rear Axle Ratio 4-Wheel Disc Brakes 6 Speakers 6-Speaker Audio System Feature ABS brakes Adaptive Cruise Control Air Conditioning 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 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 Engine Block Heater 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 High Capacity Suspension Package 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 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 steering Split folding rear seat Spray-On Pickup Bed Liner w/GMC Logo Standard Suspension Package Steering Wheel Audio Controls Steering wheel mounted audio controls Tachometer Telescoping steering wheel Theft Deterrent System (Unauthorized Entry) Tilt steering wheel Traction control Trailer Camera Provisions Trailer Side Blind Zone Alert Trailerin