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Mark Christopher Auto Center

Ontario, CA

4.6
11,472 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.
Contact Dealership

2131 E Convention Center Way

Ontario, CA

91764

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Showing 6,826 service reviews

August 22, 2026

Avo is an exceptional service representative at Mark Christopher. He maintains communications throughout the service process. More

by Gabriel Martinez
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Avo Injian
1.0
This rating includes all reviews, with more weight given to recent reviews.
Aug 23, 2026 -

Mark Christopher Auto Center responded

Thank you for your kind words, Gabriel! I’m thrilled to hear that Avo provided you with exceptional service and maintained clear communication throughout the process. We pride ourselves on our customer service at Mark Christopher Auto Center, and feedback like yours truly motivates us. We look forward to serving you again in the future! Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

August 22, 2026

Disappointing service for it being a “Cadillac” dealer. I get better service when I go to Nissan, Infiniti, and Mercedes dealer. More

by RICARDO
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
No
Employees Worked With
Chelsea Jose
2.0
This rating includes all reviews, with more weight given to recent reviews.
August 21, 2026

Avo was great! He explained everything that was serviced in detail. Thanks for all the assistance More

by KRAJEWSKI8088
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Avo
Aug 22, 2026 -

Mark Christopher Auto Center responded

Thank you for your wonderful review! I'm delighted to hear that Avo provided great service and explained everything in detail. Your satisfaction is important to us at Mark Christopher Auto Center. Our team looks forward to assisting you again in the future! Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

August 20, 2026

It is because of the service department that I am so loyal that I continue to come to MCAC More

by JOHN.EWART
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Juan Fletes
5.0
This rating includes all reviews, with more weight given to recent reviews.
Aug 20, 2026 -

Mark Christopher Auto Center responded

Thank you for your kind words, John! I’m thrilled to hear that our service department has earned your loyalty to Mark Christopher Auto Center. We strive to provide the best service possible and appreciate your continued trust in us. We look forward to seeing you again! Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

August 20, 2026

The service during my last visit was disappointing. I had a scheduled appointment for an oil change, but my car was there for approximately three hours. I also requested a car wash, but at the end of t More

by jcreu79
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Avo Injian
3.0
This rating includes all reviews, with more weight given to recent reviews.
Aug 21, 2026 -

Mark Christopher Auto Center responded

Thank you for sharing your experience. I understand your concerns regarding the extended wait for your oil change, the car wash not being completed, and leaving without having the opportunity to discuss whether anything was found during the service. Your comments highlight the importance of keeping customers informed and providing a proper service review at Mark Christopher Auto Center. Please feel free to reach out to me directly if you would like to discuss your visit in greater detail. We remain dedicated to making each service appointment organized, informative, and customer-focused. Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

August 20, 2026

Don’t trust this dealership with your automobile. They will price gouge you and not even fix what you came in for. Paid 1200 for subpar work with a xxxx xxx grin. I would not recommend this dealershi More

by Laura
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
No
Employees Worked With
Dino Picanzo
2.0
This rating includes all reviews, with more weight given to recent reviews.
Avo Injian
1.0
This rating includes all reviews, with more weight given to recent reviews.
Aug 20, 2026 -

Mark Christopher Auto Center responded

Thank you for your feedback, Laura. I appreciate you taking the time to share your experience, and I understand your concerns regarding the service you received at Mark Christopher Auto Center. Your satisfaction is important to us, and we strive to maintain high standards. I encourage you to reach out to me directly so I can discuss your experience further. Thank you again for your insights. Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

August 18, 2026

Service writer (Ed Brady) was terrible about returning phone calls and following through with promises to call and keep us appraised of the ongoing service issues. I had to go to the dealership several More

by GOLFER8954
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
No
Employees Worked With
Ed Brady
Aug 18, 2026 -

Mark Christopher Auto Center responded

Thank you for your feedback. I understand your concerns regarding communication and service updates during your recent experience at Mark Christopher Auto Center. It's important to me that you feel informed and valued throughout your service visits. I appreciate you bringing this to our attention and encourage you to reach out to me directly so I can address these issues and improve your experience. We hope to have the opportunity to regain your trust in the future. Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

August 17, 2026

Brought my car in for a second time for check engine light and they did not have a loaner vehicle available. Also was told my car was whistling because there were micro cracks in the brakes so I allowed More

by stephaniejs2488
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
No
Employees Worked With
Chelsea Jose
1.0
This rating includes all reviews, with more weight given to recent reviews.
Aug 17, 2026 -

Mark Christopher Auto Center responded

Thank you for sharing your experience with us, Stephanie. I understand your concerns regarding the check engine light and the issues with your brakes. It's important to us that you feel satisfied with the service provided at Mark Christopher Auto Center. If you could reach out to me directly, I would like the opportunity to discuss your situation further. Your feedback is appreciated, and we hope to regain your trust in the future. Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

August 17, 2026

Service was quick and professional. Everything was explained well. I didn't wait too long either, More

by mrs.gmichel6
Recommend Dealer
Yes
Employees Worked With
Osbaldo “Ozzy” Rubio
5.0
This rating includes all reviews, with more weight given to recent reviews.
Aug 17, 2026 -

Mark Christopher Auto Center responded

Thank you for your review! I'm glad to hear that your service experience at Mark Christopher Auto Center was quick and professional. It's great to know that everything was explained clearly and that you didn't have to wait long. Your feedback is appreciated, and we look forward to assisting you again in the future! Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

August 17, 2026

Eddie the service representative was very helpful in assisting with the issue. Right now I believe the issue with my vehicle has been resolved More

by ROBGINC
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Edward Brady
Aug 17, 2026 -

Mark Christopher Auto Center responded

Thank you for your feedback, Rob! I’m delighted to hear that Eddie was able to assist you effectively and that your vehicle issue has been resolved. At Mark Christopher Auto Center, we strive to provide the best service possible. We look forward to seeing you again in the future! Lloyd Beardsley General Manager lbeardsley@markchristopher.com

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