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

11055 total reviews

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

5.0 (out of 5)

Very fast and friendly service as usual.

Reviewed by sepulveda_salDecember 12, 2025

Very fast and friendly service as usual. I will continue to bring my Silverado back for service/maintenance for years to come!

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

Dealer Response

Thank you for your kind words, Sepulveda! I'm thrilled to hear that you had a fast and friendly experience at Mark Christopher Auto Center. Your loyalty with your Chevrolet Silverado means a lot to us, and we look forward to serving you for many years to come. Don’t hesitate to reach out if you need anything in the future! 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)

I loved the experience.

Reviewed by jcarddenasDecember 11, 2025

I loved the experience. I’m thinking of buying another car or truck. Still not sure.

  • Does recommend this dealer
  • Shopped for a new car

Dealer Response

Thank you for your wonderful feedback! I'm thrilled to hear that you loved your experience at Mark Christopher Auto Center. If you're considering buying another car or truck, we're here to help you explore your options. Feel free to reach out whenever you're ready, and we look forward to assisting you again! 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)

Fair, easy, fast and efficient.

Reviewed by tim@southbaycancleaners.comDecember 11, 2025

Fair, easy, fast and efficient. Best dealership experience around - they make buying a truck exciting again!

  • Does recommend this dealer
  • Shopped for a new car

Dealer Response

Thank you for your wonderful review, Tim! I'm thrilled to hear that you had such a positive experience at Mark Christopher Auto Center. It's fantastic to know that we could make buying a truck exciting for you again. We truly appreciate your kind words and look forward to assisting you with any future needs. Come see us 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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