1SA Pro Safety Plus Package, 2 Charge/Data USB Ports, 2-Speed Electronic Shift Transfer Case, Auto-Dimming Inside Rear-View Mirror, Chrome Grille with Flat Black Grille Insert Bars, Convenience Package, Deep-Tinted Glass, Electric Rear-Window Defogger, EZ Lift Power Lock and Release Tailgate, Following Distance Indicator, Forward Collision Alert, Front Pedestrian Braking, Gooseneck/5th Wheel Prep Package, Lane Change Alert with Side Blind Zone Alert, Lane Departure Warning System, LED Cargo Area Lighting, Perimeter Lighting, Power-Adjustable Black Outside Mirrors, Preferred Equipment Group 1SA, Push Button Start, Rear Cross Traffic Alert, Remote Keyless Entry, Solar Absorbing Tinted Glass, Spray-on Pickup Bedliner, Ultrasonic Front and Rear Park Assist, Wireless Phone Projection. Save Time AND Money @ Lindsay Buick GMC. Spend less time Buying and more time Driving! Contact us Today. $3,993 off MSRP! Summit White 2026 GMC Sierra 3500HD Pro Pro Duramax 6.6L V8 TurbodieselRecent Arrival!Proudly serving Warrenton, Gainesville, Haymarket, Manassas, Culpeper, Leesburg, Fredericksburg, Stafford, Front Royal, Fauquier, Prince William, Rappahannock, Madison, Orange, and all of Northern VA! Specializing in offering an extensive inventory of GMC Sierra Trucks and 2500HD, 3500HD Heavy Duties!