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Visit Our Two Locations

STG Auto Group
10325 Central Ave, Montclair, CA 91763
Phone Number: 1-800-722-9210
Fax: 909-398-1759

STG Auto Center
1153 W. Holt Blvd, Ontario, CA 91762
Phone Number: 1-800-790-1420
Fax: 909-983-1659

Welcome to St. George Auto Group
Serving Inland Empire

At STG Auto Group, we take pride in being a locally-owned, trusted member of the Ontario and Montclair, CA community. For years, our California neighbors have come to us for a trustworthy and attentive pre-owned car buying event. To see why hundreds buy their used cars from us every year, stop by our dealership or experience our pre-owned vehicle inventory digitally:

Pre-Owned Audi Vehicles

Pre-Owned BMW Vehicles

Pre-Owned Chevrolet Vehicles

Pre-Owned Dodge Vehicles

Pre-Owned Ford Vehicles

Pre-Owned Infiniti Vehicles

Pre-Owned Mercedes-Benz Vehicles

Pre-Owned Nissan Vehicles

Pre-Owned Toyota Vehicles

Pre-Owned Volkwagen Vehicles

If you’re in the market for a Montclair used car, STG Auto Group stocks numerous makes, models, and styles. Our friendly sales staff will help navigate you through our pre-owned lot to find a car, truck, SUV, or minivan that suits your needs. We have inexpensive used cars and late model pre-owned vehicles that feel like new, and everything in between. Ontario and Montclair, CA shoppers can be sure, STG Auto Group is the place to shop for pre-owned cars.

Our low prices and great selection of pre-owned vehicles are only the beginning. STG Auto Group is the one-stop place for all of your Ontario used car needs. After choosing your vehicle, we offer on-site car loans for a low monthly payment that you can feel comfortable with. In addition, STG Auto Group also employs certified and highly-trained mechanics for your pre-owned oil changes, tire rotation, engine repairs, and more. For more information on any of these services, come into to our convenient Ontario and Montclair locations.

1153 W Holt Blvd Ontario CA 91762 USA

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