2131 E Convention Center Way
Ontario, CA 91764

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Sales: 855-965-3098

Used Cars: 855-638-1065

Hours Toggle

Sales Department

Sun 9:00am – 7:00pm
Mon 9:00am – 8:00pm
Tue 9:00am – 8:00pm
Wed 9:00am – 8:00pm
Thu 9:00am – 8:00pm
Fri 9:00am – 8:00pm
Sat 9:00am – 8:00pm

Service Department

Sun Closed
Mon 7:00am – 5:00pm
Tue 7:00am – 5:00pm
Wed 7:00am – 5:00pm
Thu 7:00am – 5:00pm
Fri 7:00am – 5:00pm
Sat 8:00am – 12:00pm

Reviews of Mark Christopher Chevrolet Buick GMC Cadillac

Overall Rating:

4.6 (out of 5)

87% recommend this dealer

11072 total reviews

Showing the most recent reviews from Cars.com and DealerRater.

5.0 (out of 5)

The dealership was honest and knowledgeable, they

Reviewed by jaredwilliams1999December 19, 2025

The dealership was honest and knowledgeable, they answered all of my questions and had the best priced vehicles in the region

  • Does recommend this dealer
  • Shopped for a new car

Dealer Response

Thank you for your wonderful review, Jared! I'm thrilled to hear that you found Mark Christopher Auto Center to be honest and knowledgeable, and that you appreciated our competitive pricing. We take pride in providing excellent service and value to our customers. We hope to see you again soon! Lloyd Beardsley General Manager lbeardsley@markchristopher.com

Overall Experience 5

Customer Service N/A

Quality of Repair N/A

Friendliness N/A

Pricing N/A

Maximum rating = 5

5.0 (out of 5)

Great service and I've decided to bring our other Buick

Reviewed by t.fernandezDecember 19, 2025

Great service and I've decided to bring our other Buick to this dealer for service as well! Christopher is always helpful and answers any questions. The atmosphere while waiting is comfortable and before you know it they are calling your name. I appreciate how courteous everyone is. Highly recommend.

  • Does recommend this dealer
  • Came in for service or repair

Dealer Response

Thanks so much for your excellent review! I'm pleased to hear that you had a great experience at Mark Christopher Auto Center and that Christopher was able to assist you. I truy appreciate your trust in us, and we're glad to service your other Buick as well. Our team works hard to create a comfortable atmosphere, and it's great to know you felt that during your visit. Looking forward to seeing you again soon! Highly recommend appreciated! Sincerely, Jeff Rizzi | jrizzi@markchristopher.com | 909-975-3932

Overall Experience 5

Customer Service N/A

Quality of Repair N/A

Friendliness N/A

Pricing N/A

Maximum rating = 5

5.0 (out of 5)

Ozzie is professional and has his clients’ best interests

Reviewed by B23RODRIGUEZDecember 19, 2025

Ozzie is professional and has his clients’ best interests in mind. He makes purchasing a vehicle stress-free

  • Does recommend this dealer
  • Shopped for a new car

Dealer Response

Thank you for taking the time to write such a great review! I'm so glad to hear that Ozzie made your vehicle purchasing experience stress-free and professional. At Mark Christopher Auto Center, we strive to prioritize our clients' best interests. I really appreciate your feedback, and our team looks forward to seeing you again soon! Lloyd Beardsley General Manager lbeardsley@markchristopher.com

Overall Experience 5

Customer Service N/A

Quality of Repair N/A

Friendliness N/A

Pricing N/A

Maximum rating = 5

About Mark Christopher Chevrolet Buick GMC Cadillac

Mark Christopher Auto Center is the largest Chevrolet Buick Cadillac and GMC dealer in California! Being centrally located in Ontario CA. allows us to easily serve the Los Angeles metro area. Family owned and operated since 1972 with a friendly staff who can help you find your next new Buick car used Cadillac or any GM car truck or SUV. If you're coming from LA Riverside or Rancho Cucamonga to view our vast selection of Chevy cars or GMC trucks you'll see from our hours and directions page we are easy accessible from Interstate 10. Conveniently located near Ontario Airport also offering free airport shuttle service.

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