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

Dealer Information
STG Auto Group Ontario, Montclair & Garden Grove, CA Get Directions
STG Montclair: (909) 341-1189

STG Ontario: (909) 344-5390

STG Garden Grove: (714) 886-6646
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:
8:00 AM - 5:00 PM
Tuesday:
8:00 AM - 5:00 PM
Wednesday:
8:00 AM - 5:00 PM
Thursday:
8:00 AM - 5:00 PM
Friday:
8:00 AM - 5:00 PM
Saturday:
8:00 AM - 5:00 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 - 5:00 PM
Phone: