About Romero Hyundai Mazda - An Ontario, California New Mazda & Used Car DealerAt Romero Hyundai Mazda, we offer new cars in Ontario, CA, along with used cars by top manufacturers. Our sales staff will help you find that new or used car you have been searching for.Our auto financing staff offers expert advice for those seeking a great car loan or Hyundai and Mazda lease. Our service doesnt stop there. Ontario customers can come in and take advantage of our knowledgeable service and auto repair technicians and a fully-stocked inventory of Hyundai Mazda parts and accessories in Ontario.You can reach Romero Hyundai Mazda any time by filling out our contact form, by calling us or simply visiting our Ontario Hyundai Mazda dealership at 1307 Kettering Drive Ontario, CA - located in the Ontario Auto Center, and serving the Anaheim, Riverside and West Covina area.