Welcome to the

King O'Rourke Auto Group, 

your

Long Island Cadillac, Buick and GMC

dealer as well as your

Smithtown Cadillac, Buick and 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 .