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Mark Christopher Auto Center
Ontario, CA
10,927 Reviews
At Mark Christopher Auto Center our mission is to be a premier quality GM retailer in the Los Angeles metro - Southern California area; providing the best opportunities for our team members, customers, communities, and the manufacturer we represent. Feel free to come by the store at any time to meet us in person. We invite you to take a tour of our facility and enjoy a pressure free car buying experience.
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This rating includes all dealership reviews, with more weight given to recent reviews.
Sales Price Transparency
Service Price Transparency
Trade-in Experience
Purchase Time
Finance Experience
Workmanship
Service Time
Service Communication
Hours
Sales/Showroom
Monday 9:00 AM - 8:00 PM
Tuesday 9:00 AM - 8:00 PM
Wednesday 9:00 AM - 8:00 PM
Thursday 9:00 AM - 8:00 PM
Friday 9:00 AM - 8:00 PM
Saturday 9:00 AM - 8:00 PM
Sunday 9:00 AM - 7:00 PM
Service
Monday 7:00 AM - 5:00 PM
Tuesday 7:00 AM - 5:00 PM
Wednesday 7:00 AM - 5:00 PM
Thursday 7:00 AM - 5:00 PM
Friday 7:00 AM - 5:00 PM
Saturday 8:00 AM - 12:00 PM
Sunday Closed
Parts
Monday 7:00 AM - 5:00 PM
Tuesday 7:00 AM - 5:00 PM
Wednesday 7:00 AM - 5:00 PM
Thursday 7:00 AM - 5:00 PM
Friday 7:00 AM - 5:00 PM
Saturday 8:00 AM - 12:00 PM
Sunday Closed
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Showing 10,927 reviews
Verified Customer
February 15, 2026
I bought a $90,000 GMC and the infotainment center was broken and everyone knew it. Had to take off time and leave it with you. Returned still broke and have to take time off and bring it back again. I am broken and everyone knew it. Had to take off time and leave it with you. Returned still broke and have to take time off and bring it back again. I am a loyal customer and also bought an RS Traverse 8 months ago. REALLY DISSATISFIED! More
by tim
Employees Worked With
Jason
February 14, 2026
Services were quick and easy. Cesar had great communication with me and I would definitely recommend. Cesar had great communication with me and I would definitely recommend. More
by luciaventura89
Employees Worked With
February 12, 2026
Transmission fluid exchange/flush service completed 2/9/26. I am pleased with service completed in timely professional manner. Fair price. Next service I’d like to have completed soon is front & rear d 2/9/26. I am pleased with service completed in timely professional manner. Fair price. Next service I’d like to have completed soon is front & rear differential service, Thank you Service consultant Avo Injian ***** More
by philipdes87
Employees Worked With
February 11, 2026
This dealership was very helpful and kind they helped me with all my needs answered all my questions. And helped me through the process than you so much with all my needs answered all my questions. And helped me through the process than you so much More
by r.manny1990
Employees Worked With
Favian Sevilla
February 11, 2026
They were very helpful. . they helped me with all my needs and questions. Everything was simple and straightforward. Will recommend for future business . Thank you so much !! . they helped me with all my needs and questions. Everything was simple and straightforward. Will recommend for future business . Thank you so much !! More
by r.manny1990
Employees Worked With
Jerry Rubio
February 11, 2026
Avo is exceptional. He was consistent and demonstrated professionalism in helping us navigate our warranty. Excellent customer service in every interaction. He was consistent and demonstrated professionalism in helping us navigate our warranty. Excellent customer service in every interaction. More
by yessiedelgado
Employees Worked With
February 11, 2026
The whole process from start to finish was great and had no issues. Repairs were quick and received vehicle back the same day. no issues. Repairs were quick and received vehicle back the same day. More
by RUBEN_GASSO
