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Mark Christopher Auto Center

Ontario, CA

4.6
11,699 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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2131 E Convention Center Way

Ontario, CA

91764

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Showing 6,931 service reviews

October 23, 2026

Hard to get car issues resolved, long waiting lines for loaners, service/maintenance department careless More

by PONCEDAISY
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
No
Employees Worked With
Chelsea Jose
5.0
This rating includes all reviews, with more weight given to recent reviews.
October 22, 2026

This is my 3rd time trying to make this review concerning my reason I like this dealership. I do not want to attempt again . More

by RIALTOBELLS1950
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Nobu Damon
5.0
This rating includes all reviews, with more weight given to recent reviews.
Oct 23, 2026 -

Mark Christopher Auto Center responded

Thank you for your feedback! I appreciate your efforts in sharing your experience with Mark Christopher Auto Center. If you have any specific thoughts or details you'd like to share, please feel free to reach out to us directly. We look forward to assisting you! Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

October 22, 2026

As always I receive exceptional service from Chelsea! She is awe-mazing. I usually drop my car off and in a dhort time its ready for picknup and washed! More

by APWUHPBC
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Chelsea Jose
5.0
This rating includes all reviews, with more weight given to recent reviews.
Oct 23, 2026 -

Mark Christopher Auto Center responded

Thank you for taking the time to tell us about your visit! I'm delighted to hear about your exceptional experience with Chelsea at Mark Christopher Auto Center. It's great to know that your vehicle is always ready for pickup in a timely manner and looking its best. I appreciate your kind words, and we look forward to serving you again! Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

October 21, 2026

First time at Mark Christoper for service on my GMC truck and I was impressed with their service. The second I arrived I was greeted by the nicest man named Avo. He was so helpful from the get the go. I was More

by dn_estacio
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Avo Injian
5.0
This rating includes all reviews, with more weight given to recent reviews.
Oct 21, 2026 -

Mark Christopher Auto Center responded

Thank you for your wonderful review, Estacio! I’m delighted to hear that your first experience at Mark Christopher Auto Center was so positive. Avo is indeed a great asset, and I’m glad he provided you with the helpful service you needed for your GMC truck. I appreciate your recommendation, and we look forward to assisting you again in the future! Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

October 19, 2026

Took our truck there after the upper A arm broke. Truck sat outside for 3 1/2 months in the hot elements during the summer waiting for parts to be re-engineered. The service updates were terrible. More

by Tough times
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
No
Employees Worked With
Jeff Rizzi
5.0
This rating includes all reviews, with more weight given to recent reviews.
Javier Juarez
3.0
This rating includes all reviews, with more weight given to recent reviews.
Other Employees : Jeff Rizzi, very nice and respectful.
Oct 20, 2026 -

Mark Christopher Auto Center responded

Thank you for sharing your experience with us. I understand your frustration regarding the delays and the condition of your truck upon its return from Mark Christopher Auto Center. It's disappointing to hear that our communication fell short and that we didn’t meet your expectations. I appreciate your feedback, as it helps us improve our service. While we recognize the challenges with parts availability, we are continuously striving to enhance the customer experience. Unfortunately, we're unable to locate any customer information in our system based on the name associated with this review. If you have further concerns or if there’s anything I can do to assist you, please don’t hesitate to reach out to me directly. Your loyalty to GM is valued, and we hope to earn your trust again in the future. Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

October 19, 2026

Awesome service, thought the car had a major issue but was still diagnosed and fixed within a day of it happening. Issue happened Tuesday, made an appointment that night, dropped car off on Wednesday and More

by raffi2
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Eddie
Oct 20, 2026 -

Mark Christopher Auto Center responded

Thank you for your wonderful review, Raffi! I'm thrilled to hear that you had an awesome experience at Mark Christopher Auto Center. It's great to know that we could diagnose and fix your car quickly, ensuring you were back on the road in no time. I appreciate your trust, and we look forward to assisting you with any future needs! Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

October 19, 2026

Our sales rep Anthony was amazing. Great personality, great product knowledge. He found me something better than what I originally wanted and stayed close to the budget. He paid at More

by Ashlyguerra28
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Anthonny Farfan
5.0
This rating includes all reviews, with more weight given to recent reviews.
Oct 20, 2026 -

Mark Christopher Auto Center responded

Thank you for your wonderful review, Ashly! I’m thrilled to hear about your positive experience with Anthony at Mark Christopher Auto Center. It's great to know he was able to find the right vehicle for you and your family while staying within budget. I appreciate your kind words, and we hope to see you all again soon! Lloyd Beardsley General Manager lbeardsley@markchristopher.com

October 19, 2026

Mark christopher is a Great dealer great costumer service fast to answer any question and needs thanks again More

by 2022camaross1le
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
Yes
Employees Worked With
Osbaldo “Ozzy” Rubio
5.0
This rating includes all reviews, with more weight given to recent reviews.
Oct 19, 2026 -

Mark Christopher Auto Center responded

Thank you for your kind words! I truly appreciate your positive feedback about Mark Christopher Auto Center and my customer service. I'm glad to hear that we were able to assist you quickly and effectively. We look forward to seeing you again soon! Lloyd Beardsley General Manager lbeardsley@markchristopher.com

October 18, 2026

Beware of this dealership service Dept. There was damage to my Cadillac Escalade after being in their possession for a week. Delearship failed to assume responsibility rather provided me wi More

by RUBYCAMPISTA
Service Price Transparency
Workmanship
Service Time
Service Communication
Recommend Dealer
No
Employees Worked With
Jeff Rizzi
1.0
This rating includes all reviews, with more weight given to recent reviews.
Dino Picanzo
1.0
This rating includes all reviews, with more weight given to recent reviews.
Other Employees : CHRISTOPHER Alvarad
Oct 19, 2026 -

Mark Christopher Auto Center responded

We acknowledge your review. Thank you, Jeff Rizzi

October 18, 2026

Thorough and complete Asked to check on temperature difference on car and weather app. Nobu gave detailed information on what was done to address problem. More

by Jazzjaguar1954
Recommend Dealer
Yes
Employees Worked With
Nobu
Oct 19, 2026 -

Mark Christopher Auto Center responded

Thank you for your wonderful review! I’m glad to hear that Nobu provided you with thorough and detailed information regarding the temperature difference in your car. At Mark Christopher Auto Center, we strive to ensure you feel well-informed and satisfied with our services. I appreciate your feedback, and we look forward to assisting you again in the future! Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

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