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STG Auto Group of Montclair Service Center

1.9

About this business

Location details

10325 Central Ave, Montclair, CA, 91763, United States

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WeekdayScheduleStatus
Mon8:00 a.m. to 5:00 p.m.
Tue8:00 a.m. to 5:00 p.m.
Wed8:00 a.m. to 5:00 p.m.
Thu8:00 a.m. to 5:00 p.m.
Fri8:00 a.m. to 5:00 p.m.
SatClosed
SunClosed
1.969 reviews
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Jose Agustin's profile image
Jose Agustin 
a month ago

This has been the most frustrating experience I've ever had with a dealership. I purchased my 2021 Corvette from STG with over 7,500 miles already on it. The vehicle is now experiencing an oil leak, and Chevrolet is requesting proof that the first transmission service was performed around 7,500 miles because there is no record of it in their system. I contacted STG for assistance, and I was told that the service had supposedly been completed, yet no receipt, invoice, or documentation has been provided to support that claim. ... read more

J R Palencia's profile image
J R Palencia 
a month ago

They literally had my car for 6 hours for an oil change and when I got it, the car had no oil. And they did not apologize or do anything to compensate. I have free oil changes here as a part of my deal with this dealership but have had nothing but terrible experiences here. They take way too long, don’t call when your car is ready for pick up and it’s just sad. Just because I’m not paying doesn’t mean I don’t except good service, it was a big reason I bought the car, and this is ridiculous! 

Laura Garcia's profile image
Laura Garcia 
2 months ago
Emily Herra's profile image
Emily Herra 
2 months ago
Judith Meraz's profile image
Judith Meraz 
2 months ago

If no stars was possible, it would be just that. From calling into reception for service, the advisor and managers worst experience ever. They had my car since May 5, 2026. Was told that I would get it back by Friday May 8, 2026. It is now May 13th no call for an update, I've called left 1 voicemail no call back, responded to their txt option no respond. It's been so frustrating and infuriating that no one calls back for an update. And when they do answer your placed on hold for 1 hours until the call drops. I've also sat fo... read more

Frequently asked questions about STG Auto Group of Montclair Service Center

How is STG Auto Group of Montclair Service Center rated?

STG Auto Group of Montclair Service Center has a 1.9 star rating with 69 reviews. 

When is STG Auto Group of Montclair Service Center open?

STG Auto Group of Montclair Service Center is closed now. It will open at 8:00 a.m. 

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