Thank you for visiting Auffenberg Hyundai in O’Fallon, Illinois, serving our nearby Belleville Hyundai and St. Louis Hyundai customers in Illinois. Here at Auffenberg Hyundai, your Illinois Hyundai dealer, we understand your time is important. That’s why at Auffenberg Hyundai serving St. Louis and Belleville we provide you a no-hassle and no-haggle car buying experience you can’t find at any other dealership. We also provide you, from the comfort of your home, easy access to our broad inventory of new cars and used cars, plus quick quotes, financing options,and parts and service appointment forms, all at the click of a button.