Welcome to the King O’Rourke Auto Group, your Long Island Cadillac, Long Island Buick, and Long Island GMC dealer as well as your Smithtown Cadillac, Smithtown Buick, and Smithtown GMC auto dealer in New York . For over 30 years, King O’Rourke has been Long Island’s most trusted name for Buick, GMC, and Cadillac. Whether you’re searching for a new Smithtown GMC or Cadillac or used Smithtown Buick vehicle, just visit our Smithtown or Port Jefferson showrooms. We also offer GM parts and service in Smithtown, NY .
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