Ontario, Montclair & Garden Grove, CA

About Our Used Car Dealerships Serving Ontario & Montclair, CA

about us

The STG Auto Group is a collection of used car dealerships in Montclair and Ontario, California that proudly serve nearby Corona and Riverside drivers. Our family owned and operated business opened in 1997 and we're eager to continue our tradition of providing quality, well-maintained pre-owned vehicle options to shoppers in the area. With rugged trucks, family-friendly sedans and off-roading SUVs to explore, there'a competitively priced ride for every driver here at the STG Auto Group! Contact our used car dealerships near Fontana, CA to learn more about our Chevrolet Cruze inventory or to find a powerful used Dodge Challenger!

Why Shop at the STG Auto Group?

Our fully stocked inventory of pre-owned vehicles means that drivers can explore an array of options before making any decisions as to what suits their needs. We carry models from a range of reputable brands, including:

  • Ford
  • BMW
  • Audi
  • Honda
  • KIA
  • Jeep
  • Nissan
  • Toyota

And we offer professional financing assistance so that you can drive home behind the wheel of a pre-owned Mercedes-Benz with ease. Send our team a credit application online to learn more about the loan options we have available and be sure to ask about our sub-prime credit packages if you have a few mishaps on your credit report. Already own a Honda Accord sedan and are looking to keep it running smoothly? Our service center near San Bernardino, CA employs factory-trained technicians that will cater to the needs of your ride to ensure it can run at an optimum, safe level. From oil changes to transmission services and brake pad inspections, the STG Auto Group is here for you!

When we're not assisting drivers with their auto needs, we're doing what we can to support the local community, like donating to charities in the area. We're here to help with all the needs of Montclair and Ontario, CA residents, so get in touch with the STG Auto Group today!

Dealer Information
STG Auto Group Ontario, Montclair & Garden Grove, CA Get Directions
STG Garden Grove: (855) 637-2379
STG Ontario/Montclair: (855) 637-1975
Sunday:
9:00 AM - 9:00 PM
Monday:
9:00 AM - 9:00 PM
Tuesday:
9:00 AM - 9:00 PM
Wednesday:
9:00 AM - 9:00 PM
Thursday:
9:00 AM - 9:00 PM
Friday:
9:00 AM - 9:00 PM
Saturday:
9:00 AM - 9:00 PM
Sunday:
CLOSED
Monday:
9:00 AM - 6:00 PM
Tuesday:
9:00 AM - 6:00 PM
Wednesday:
9:00 AM - 6:00 PM
Thursday:
9:00 AM - 6:00 PM
Friday:
9:00 AM - 6:00 PM
Saturday:
9:00 AM - 6:00 PM
Sunday:
CLOSED
Monday:
9:00 AM - 6:00 PM
Tuesday:
9:00 AM - 6:00 PM
Wednesday:
9:00 AM - 6:00 PM
Thursday:
9:00 AM - 6:00 PM
Friday:
9:00 AM - 6:00 PM
Saturday:
9:00 AM - 6:00 PM
Phone:

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