King O'Rourke Buick GMC, LLC is a trusted, family-owned dealership located in Smithtown, New York, offering the largest selection of new and pre-owned Buick and GMC vehicles on Long Island. The dealership has been in operation for over 40 years and is leading the charge in the electric vehicle revolution, providing the latest models, including the Hummer and Sierra EV. The dealership's skilled team provides unparalleled after-sales services, going above and beyond to ensure customer satisfaction. Customers praise the dealership's top-notch service, friendly atmosphere, and knowledgeable staff. The convenient 24/7 towing service and Mobile Service+ Program further enhance the customer experience. Customers who have worked with the dealership, such as Ryann Fernandez, Tommy Costa, Tara Cuozzo, John McCoy, Chris Valesquez, and John DeFlumeri, have had seamless and positive experiences, whether purchasing a new vehicle or servicing their existing one. The dealership is highly recommended by its customers, even for those not located on Long Island.
Jackie LaGuerre was a terrific salesperson.. she was extremely knowledgeable and made the new car buying process wonderful!
July 2026
Jackie was amazing absolutely love her she made it so easy thank u Jackie and I will tell everyone about u and your wonderful dealership
July 2026
Sales Associate James Pitney is a honest, professional very down to earth and informative. It was a pleasure to work with him and I strongly suggest seeking him out on your next lease or finance of a vehicle.