A family owned New Orleans GM Dealer. As your New Orleans and Kenner Buick and GMC dealer we are dedicated to providing dependable sales and service to our Metairie Buick and GMC customers. Use this site to find new or used Covington Buick or Covington GMC vehicles, to research financing options or to get a quick quote on any vehicle in our extensive inventory. You can also schedule service appointments and order parts right from the Crown Buick GMC website.