Auffenberg Mazda is your one-stop Mazda shop. Located at the St. Clair Auto Mall in O’Fallon, Illinois, we offer a great selection of new Mazda vehicles, a top-of-the-line sales team, and a nationally recognized service and parts department—ready to provide any individual that walks on our lot or through our doors an outstanding customer experience. MazdaCX-5, Mazda3, CX-9, MX-5 Miata, Mazda6 and a wide variety of pre-owned vehicles—All at prices that can’t be matched.