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Mark Christopher Auto Center
Ontario, CA
11,430 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 6,810 service reviews
August 10, 2026
Bought our Denali and had a great sales team, when we took the truck to get its first oil change we were very happy with the service team and how quickly they got the truck back To us took the truck to get its first oil change we were very happy with the service team and how quickly they got the truck back To us More
by AANDNTRUCKING
Verified CustomerEmployees Worked With
August 10, 2026
Bought our Denali here and had a great sales person additionally recently took my car to get the first oil change and was very happy with the service. additionally recently took my car to get the first oil change and was very happy with the service. More
by AANDNTRUCKING
Employees Worked With
August 10, 2026
Genuine care and customer service feels like a lost art these days. However, at Mark Christopher, it is in full effect. They know how to take care of their customers. From the first greeting, to the clear these days. However, at Mark Christopher, it is in full effect. They know how to take care of their customers. From the first greeting, to the clear communication of what is needed and when my car would be complete is such a refreshing act. Nobu and the entire staff at Mark Christopher really make you feel like they are truly there to serve and do it well. This is the only place that I take my car More
by sslater5
August 10, 2026
Avo handled my service issue in the most professional and efficient manner possible. His professionalism was greatly appreciated. efficient manner possible. His professionalism was greatly appreciated. More
by CARLOS.DELAISLA
August 08, 2026
I purchased a Cadillac Escalade and this so not what I expected in customer service expected in customer service More
by g35dcf
Employees Worked With
August 08, 2026
Chelsea has been a great help to resolving the issues of my car. I appreciate her help and her updates.. my car. I appreciate her help and her updates.. More
by LOU1515
Employees Worked With
August 04, 2026
Excellent service from my service advisor and technician. Very please with my visit. Will definitely be back. Very please with my visit. Will definitely be back. More
by DREWSTANG15
Employees Worked With
August 03, 2026
Everyone was very helpful. The serviced and fixed my car to my standards & everything was clearly noted at check out. The serviced and fixed my car to my standards & everything was clearly noted at check out. More
by michellebeans
Employees Worked With
August 03, 2026
Mark Christopher service staff is friendly, helpful Just wish it didn’t take 4 hrs for an oil change Just wish it didn’t take 4 hrs for an oil change More
by roller_mama1
