Letter from Our Owner

Dear Customer, 

New clients are the lifeblood of our business. So, we really want you to be completely satisfied with your experience here at STG Auto Group. If you have any issues that have not been resolved, please contact me directly so I can resolve them right away, or if you think we are doing a great job we like to hear that too!

Again thank you very much for your business.

Sincerely,

Management

STG Auto Group
Email:management@stgautogroup.com

Contact

STG Auto Group

10325 Central Avenue
Directions Montclair, CA 91763

  • Sales: (855) 637-1975
  • Service: (855) 965-2166
  • Parts: (855) 965-2166

Contact

STG Auto Group

1153 W Holt Blvd
Directions Ontario, CA 91762

  • Sales: (855) 637-1975
  • Service: (855) 965-2166
  • Parts: (855) 965-2166

Hours

  • Monday 9:00AM - 9:00PM
  • Tuesday 9:00AM - 9:00PM
  • Wednesday 9:00AM - 9:00PM
  • Thursday 9:00AM - 9:00PM
  • Friday 9:00AM - 9:00PM
  • Saturday 9:00AM - 9:00PM
  • Sunday 9:00AM - 9:00PM