Summit White 2024 GMC Sierra 2500HD Pro Pro Duramax 6.6L V8 Turbodiesel 1SA Pro Safety Plus Package (Auto-Dimming Inside Rear-View Mirror, Lane Change Alert w/Side Blind Zone Alert, Perimeter Lighting, Power-Adjustable Black Outside Mirrors, Rear Cross Traffic Alert, and Rear Parking Assist), Convenience Package (Deep-Tinted Glass, Electric Rear-Window Defogger, EZ Lift Power Lock & Release Tailgate, LED Cargo Area Lighting, Outside Power-Adjustable Black Mirrors, and Steering Wheel-Mounted Cruise Control), Gooseneck/5th Wheel Prep Package (HD Rear Vision Camera Delete, Integrated Trailer Brake Controller, and Spray-On Bedliner), Preferred Equipment Group 1SA (2 Charge/Data USB Ports, 2-Speed Electronic Shift Transfer Case, Chrome Grille w/Flat Black Grille Insert Bars, OnStar & GMC Connected Services Capable, Push Button Start, Remote Keyless Entry, Solar Absorbing Tinted Glass, and Wireless Phone Projection), Suspension Package, X31 Off-Road Package (Hill Descent Control and Off-Road Suspension), 10-Speed Automatic, 4WD, Black Cloth, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 17'' Steel Wheels, 3.42 Axle Ratio, 3.73 Rear Axle Ratio, 4-Way Manual Driver Seat Adjuster, 4-Way Manual Passenger Seat Adjuster, 4-Wheel Disc Brakes, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, AM/FM radio, Apple CarPlay/Android Auto, Auto High-beam Headlights, Automatic Emergency Braking, Black Assist Step (LPO), Brake assist, Buckle to Drive, Bumpers: chrome, Compass, Delay-off headlights, Driver door bin, Dual 220-Amps Primary/170-Amps Aux Alternators, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Engine Block Heater, Exhaust Brake, Following Distance Indicator, Forward Collision Alert, Front 40/20/40 Split-Bench Seats, Front anti-roll bar, Front Center Armrest w/Storage, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, He