Used 2021 GMC Sierra 3500 AT4

Driver Alert Package I: Ultrasonic Front and Rear Park Assist; Rear Cross Traffic Alert; Lane Change Alert with Side Blind Zone Alert; Perimeter Lighting,Driver Alert Package II: Forward Collision Alert; Following Distance Indicator; Automatic Emergency Braking; Safety Alert Seat; IntelliBeam Automatic High Beam On/off; Lane Departure Warning,Preferred Equipment Group 4SB: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; 2 USB Ports (first Row); Electric Rear-Window Defogger; Wireless Phone Projection; Floor-Mounted Center Console; Unauthorized Entry Theft-Deterrent System; Painted Black Surround Grille with High Gloss Black Mesh; Compass Located in Instrument Cluster; 4.2" Diagonal Color Display Driver Info Center; Electrical Lock Control Steering Column; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seats; X31 Off-Road Package; Premium Front Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Premium Rear Floor Liners with Removable Carpet Insert; GMC Connected Access Capable; OnStar and GMC Connected Services Capable; 120-Volt Bed Mounted Power Outlet; 2nd Row Heated Outboard Seats; Power Front Passenger Windows with Express Up/down; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bed Liner with AT4 Logo; AM/FM Stereo with Premium GMC Infotainment System; Power Rear Windows with Express Down; Red Recovery Hooks; Integrated Trailer Brake Controller; Power Front Windows with Driver Express Up/down; Ventilated Driver and Front Passenger Seats; Manual Tilt-Wheel/telescoping Steering Column; 2nd Row Dual USB Charge-Only Ports; Keyless Open and Start; 4G LTE Wi-Fi Hotspot Capable; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; 2 USB Ports Inside Console; 18" Machined Aluminum Wheels; Power Door Locks,AT4 Preferred Package: HD Surround Vision with 2 Trailer View Camera Provisions; Bose Premium 7 Speaker Sound System; Power Sliding Rear Window with Defogger; Wireless Charging; Bed View Camera with Two Trailer Camera Provisions; Universal Home Remote; AM/FM Stereo with Premium GMC Infotainment System and Navigation; HD Surround Vision with 2 Trailer View Camera Provisions; Bose Premium 7 Speaker Sound System; Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Wireless Charging; Bed View Camera with Two Trailer Camera Provisions; Universal Home Remote; AM/FM Stereo with Premium GMC Infotainment System and Navigation,AT4 Premium Plus Package: Power Sunroof; AT4 High Clearance Step; 20" Machined Aluminum Wheels; Power Sunroof; AT4 High Clearance Step; 20" Machined Aluminum Wheels,Technology Package: 8" Driver Information Center; Multicolor 15" Diagonal Head-Up Display; Auto-Dimming Inside Rearview Mirror with Camera,Snow Plow Prep/camper Package: Skid Plates; Dual 220-Amps Primary and 170-Amps Auxiliary Alternators; Skid Plates; 220 Amp Alternator; Skid Plates,Gooseneck/5th Wheel Package: Gooseneck/5th Wheel Prep Package; Gooseneck/5th Wheel Prep Package; Bed View Camera with Two Trailer Camera Provisions,Power-Retractable Black Assist Steps,Power Sunroof,20" Machined Aluminum Wheels,Wired Auxiliary Trailer Camera,Rear Underseat Storage,Bed View Camera with Two Trailer Camera Provisions,LT275/65R20 AT BW Tires,Cargo Tie-Down Rings (set of 4),LED Smoked Amber Roof Marker Lamps,Trailer Tire Pressure Monitor Sensors,Apple CarPlay/Android Auto smart device wireless mirroring,Forward Collision Alert with Automatic Braking,4G LTE Wi-Fi Hotspot capable mobile hotspot internet access,Hitch View rear mounted camera,Head-up display,Predictive brake assist system,Cruise control with steering wheel mounted controls,Ventilated driver and front passenger seats,Integrated navigation system,Keyfob remote engine start,Heated steering wheel,Heated driver and front passenger seats,Heated rear seats,Leather front seat upholstery,Primary monitor touchscreen,Lane Departure Warning,Cross Traffic Alert collision warning,First-row sliding and tilting glass sunroof with express open/close activation sunshade,Driver seat power reclining, lumbar 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 445HP,Front wireless smart device charging,Teen Driver restricted driving mode,Auxiliary camera,Keyless Open/Keyless Start with hands-free access and push button start,Keyfob window control,HD Surround Vision w/Hitch View aerial view camera,Video-feed rearview mirror,Bluetooth wireless audio streaming,Transparent trailer view,Vehicle to trailer hitching assist,Front mounted camera,Right side camera,Pickup box camera,Left side camera,Lane Change Alert with Side Blind Zone Alert blind spot warning,Following Distance Indicator,GMC ProGrade Trailering System trailer tire pressure sensors,GMC ProGrade Trailering System trailer light test,GMC ProGrade Trailering System trailer light malfunction warning,GMC ProGrade Trailering System trailer theft alarm,Dual-zone front climate control,IntelliBeam auto high-beam headlights,Immobilizer,Bose speakers,Bluetooth handsfree wireless device connectivity,Trailer brake controller,Trailer Sway Control (TSC) trailer sway control,ProGrade Trailering System vehicle and trailer reverse assist with visual graphic guidance only,Premium GMC Infotainment System external memory control