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Mark Christopher Auto Center
Ontario, CA
11,265 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 6,739 service reviews
June 10, 2026
First I text drive a trail boss and then I told him I really like it I wanted to really go for it and he say if can't get the trail boss I have this Sierra it has everything the trail boss has you will b really like it I wanted to really go for it and he say if can't get the trail boss I have this Sierra it has everything the trail boss has you will be able to watch movies and video like YouTube HBO I ask about the weather mats and o yeah that one has it to and the truck doesn't have any of that plus I feel that he trick me because he came with big payments and when I said that was out of my budget he say he had the Sierra but after I got home I was checking the paperwork and I find out that trail boss was 65,000 and the Sierra was at 70 000 how that make since I think he got bigger profit with the Sierra and that's why I feel trick More
by leonelurena30
Verified Customer
June 09, 2026
Good customer service i came and they help me right away. I wait on the lounge and everything is great I wait on the lounge and everything is great More
by anagmedina88
Employees Worked With
June 09, 2026
Good customer service i came and they help me right away. I wait on the lounge and everything is great I wait on the lounge and everything is great More
by anagmedina88
Employees Worked With
June 09, 2026
Got in early on a Saturday for regular maintenance. In and out in 90 minutes In and out in 90 minutes More
by ANDREWRODRIGUEZ2003
Employees Worked With
June 08, 2026
I was greeted promptly by Javier and he was quick to complete the paperwork for the business I was there for so I could be on my way without delay. complete the paperwork for the business I was there for so I could be on my way without delay. More
by Purchaser1025
Employees Worked With
June 07, 2026
Clean facility, was greeted right away even though line was long. Was in and out in 1.5 hrs with an appointment. was long. Was in and out in 1.5 hrs with an appointment. More
by DJANAYA1
Employees Worked With
June 07, 2026
They were extremely helpful and very patient with me in making my decisions in getting my family SUV, and Mike Sheridan was very helpful in answering and explaining all my concerns and im truly grateful to making my decisions in getting my family SUV, and Mike Sheridan was very helpful in answering and explaining all my concerns and im truly grateful to him, I made the right decision and love my Traverse More
by glorivileandry
Employees Worked With
Mike Sheridan he was extremely helpful ??
June 07, 2026
Very satisfied with my experience. Rami was very transparent no gimmick. He was very honest. I will definitely recommend him and the dealership. Rami was very transparent no gimmick. He was very honest. I will definitely recommend him and the dealership. More
by robertv09210
Employees Worked With
Rami
June 07, 2026
Me atendieron a la hora programada, fue rápido el fué muy amable, claro y quedé muy satisfecho, gracias amable, claro y quedé muy satisfecho, gracias More
by oteroalfredo53
Employees Worked With
