At King Buick GMC in Gaithersburg, we have a huge online inventory of new cars, used cars, and certified pre-owned vehicles in store and ready for you to come in and test drive. We have a range of vehicles from the elegant Buick Regal to the professional built Yukon. Request a quick quote, calculate your payments for a GMC Acadia before driving from Maryland or Frederick and experience the difference at our dealership, right from the comfort of our home. Rockville, Washington, D.C., MD and Maryland drivers, get your next Buick or GMC vehicle from our Gaithersburg dealership.