2021 Summit White GMC Sierra 3500HD 10-Speed Automatic 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 USB Ports (First Row), 2 USB Ports Inside Console, 2-Speed Active Transfer Case, 20 Machined Aluminum Wheels, 2nd Row Dual USB Charge-Only Ports, 2nd Row Heated Outboard Seats, 4.2 Diagonal Color Display Driver Info Center, 4G LTE Wi-Fi Hotspot Capable, 8 Driver Information Center, AT4 High Clearance Step (LPO), AT4 Preferred Package, AT4 Premium Plus Package, Auto-Dimming Inside Rearview Mirror w/Camera, Automatic Emergency Braking, Bed View Camera w/2 Trailer Camera Provisions, Bose Premium 7 Speaker Sound System, Compass Located In Instrument Cluster, Deep-Tinted Glass, Driver Alert Package I, Driver Alert Package II, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, GMC Connected Access Capable, Gooseneck/5th Wheel Package, Gooseneck/5th Wheel Prep Package, HD Rear Vision Camera, HD Surround Vision w/2 Trailer View Camera Provisions, Heated Driver & Front Outboard Passenger Seats, Hill Descent Control, Hitch Guidance w/Hitch View, In-Vehicle Trailering System App, Integrated Trailer Brake Controller, IntelliBeam Automatic High Beam On/Off, Keyless Open & Start, Lane Change Alert w/Side Blind Zone Alert, Lane Departure Warning System, LED Cargo Area Lighting, Manual Tilt-Wheel/Telescoping Steering Column, Multicolor 15 Diagonal Head-Up Display, OnStar & GMC Connected Services Capable, Painted Blk Surround Grille w/High Gloss Blk Mesh, Perimeter Lighting, Power Door Locks, Power Front Passenger Windows w/Express Up/Down, Power Front Windows w/Driver Express Up/Down, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Defogger, Power Sunroof, Preferred Equipment Group 4SB, Prem Front Floor Liners w/Removable Carpet Insert, Prem Rear Floor Liners w/Removable Carpet Insert, ProGrade Trailering System, Radio: AM/FM w/Prem GMC Infotainment System & Navi, Rear Cross Traffic Alert, Rear Wheelhouse Liners, Red Recovery Hooks, Remote Vehicle Starter System, Safety Alert Seat, Spray-On Pickup Bed Liner w/AT4 Logo, Steering Wheel Audio Controls, Technology Package, Ultrasonic Front & Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Ventilated Driver & Front Passenger Seats, Wireless Charging, Wireless Phone Projection, X31 Off-Road Package. Duramax 6.6L V8 Turbodiesel AT4 You will love our NO HAGGLE, NO HASSLE PRICING here at Fitzgerald Auto Mall. Ask us about our BUYER PROTECTION PLAN, LOANER CAR PROGRAMS, AND FREE Vehicle History Report. Can not find what you want?? NO PROBLEM! We have over 1,000 Pre-Owned vehicles available at WWW.FITZMALL.COM. You can also visit us in person at 114 Baughmans Lane Frederick MD, 21702 or Call Us @240-629-7301.