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Mark Christopher Auto Center
Ontario, CA
11,768 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 6,964 service reviews
November 13, 2026
Only giving this dealership a 5 star because of Javier Juarez. He provided outstanding customer service throughout the entire processe. He was very professional, well knowledgeable and was prompt to answe Juarez. He provided outstanding customer service throughout the entire processe. He was very professional, well knowledgeable and was prompt to answer all questions. I can’t say the same for the first experience I had here. Javier Juarez is a star! More
by Mvteo
Verified CustomerEmployees Worked With
November 13, 2026
Working with Chelsea Jose was a sure pleasure, and every time I have worked with her she goes above what I expected. time I have worked with her she goes above what I expected. More
by HUNTL
Employees Worked With
November 12, 2026
I was extremely happy with my service on my Cadillac XT5. Nubo kept me informed throughout the entire process. Nubo kept me informed throughout the entire process. More
by LEYVABEAR2
Employees Worked With
November 12, 2026
I always receive the best customer service, they treat me like family. They explain everything clearly so that you understand what is going on with the vehicle. like family. They explain everything clearly so that you understand what is going on with the vehicle. More
by PETE.DOGGER
November 12, 2026
Always very responsive quick and super helpful. Avo especially is always on top of what’s going. Avo especially is always on top of what’s going. More
by 1102
Employees Worked With
November 11, 2026
The service at this dealership is good. They work quickly and the service team is very friendly. They work quickly and the service team is very friendly. More
by aleahgarcia
Employees Worked With
November 11, 2026
Avo was fantastic, as usual— friendly, fun, and communicative. There was a delay in finishing my service, and he kept me informed all the way. There were no real problems with my car that affected communicative. There was a delay in finishing my service, and he kept me informed all the way. There were no real problems with my car that affected my drive, so I can’t say things changed greatly with the service (except for the replacement of 2year old wiper blades!) but I am confident that the recall works was done properly and I am always treated well at Mark Christopher. More
by lester226
Employees Worked With
November 10, 2026
Avo was very helpful from the very beginning, he kept me in the loop with all the updates, I highly recommend working with him. Good job Mark Christopher. in the loop with all the updates, I highly recommend working with him. Good job Mark Christopher. More
by Amirjk25
Employees Worked With
