Preferred Equipment Group 4SG: Trailer Side Blind Zone Alert; SiriusXM with 360L Trial Subscription; Power Sliding Rear Window with Defogger; Safety Alert Seat; Ultrasonic Front and Rear Park Assist; Trailer Cam Provisions and Trailer Viewing Software; Electric Rear-Window Defogger; Gloss Black Header Grille and Grille Insert Bars; Unauthorized Entry Theft-Deterrent System; Inside Rearview Auo-Dimming Rear Camera Mirror; Front Rain-Sensing Wipers; 120-Volt Instrument Panel Power Outlet; LED Smoked Amber Roof Marker Lamps; Heated Driver and Front Outboard Passenger Seats; Wireless Charging; Front Premium Floor Liners with Removable Carpet Insert; Rear Premium Floor Liners with Removable Carpet Insert; OnStar Services Capable; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; HD Surround Vision; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; Power Sunroof; Multicolor 15" Diagonal Head-Up Display; Keyless Open and Start; Bose Premium Series 12-Speaker System; Push Button Start; LED Cargo Area Lighting; Remote Vehicle Starter System; Hill Descent Control; Floor-Mounted Center Console; Bed View Camera with Two Trailer Camera Provisions; Trailer Tire Pressure Monitor Sensors; Sierra HD Pro Safety; Wireless Phone Projection; 2 USB Ports; Rear Cross Traffic Alert; 2 Charge/data USB Ports Inside Center Console; Steering Wheel Audio Controls; 2 Charge-Only Rear USB Ports; Universal Home Remote; 120-Volt Bed Mounted Power Outlet; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bedliner with GMC Logo; ProGrade Trailering System; Rear Wheelhouse Liners
Gooseneck/5th Wheel Prep Package
Sterling Metallic
Apple CarPlay/Android Auto smart device wireless mirroring
Forward Collision Alert with Automatic Braking
Front Pedestrian Braking
Wi-Fi Hotspot capable mobile hotspot internet access
HD Rear Vision Camera w/Hitch View rear mounted camera
Adaptive cruise control
Head-up display
Automatic Emergency Braking predictive brake assist system
Cruise control with steering wheel mounted controls
Smart device and keyfob engine start control
Ventilated driver and front passenger seats
Heated steering wheel
Heated driver and front passenger seats
Heated rear seats
Leather front seat upholstery
Primary monitor touchscreen
Lane Departure Warning
Rear Cross-Traffic Alert collision warning
First-row sliding and tilting glass sunroof with express open/close activation sunshade
Driver seat power reclining
lumbar support
seatback side bolster support
cushion tilt
fore/aft control and height adjustable control
AutoTrac part and full-time 4WD
Duramax 6.6L V-8 diesel direct injection
intercooled turbo
diesel
engine with 470HP
Front wireless smart device charging
Google Built-In built-in virtual assistant
Teen Driver restricted driving mode
Keyless Open/Keyless Start with hands-free access and push button start
Keyfob window control
HD Surround Vision w/Hitch View aerial view camera
GCW Alert weight capacity alert
Video-feed rearview mirror
Stolen Vehicle Assistance vehicle tracker with vehicle slowdown