Mark Christopher Auto Center is a Ontario Buick, Cadillac, Chevrolet, GMC dealer and a new car and used car Ontario CA Buick, Cadillac, Chevrolet, GMC dealership.

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Service Appointment Request

Our Service department is staffed with the most qualified technicians ready to answer your questions and address your service needs. To schedule an appointment fill out this online form or contact our service department at (909) 509-8303 if you have any additional questions.

WE SERVICE ALL GM BRANDS

Mark Christopher Auto Group is a Los Angeles Chevrolet, Cadillac, HUMMER, Buick, Pontiac and GMC dealer in Ontario, CA. | HomePage

Mark Christopher Auto Center

2131 E Convention Center Way

Ontario, CA 91764

Phone: (909) 509-8299

Fax: (909) 390-8174

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Email: Contact Us

Internet Sales: (909) 509-8299

Service Dept: (909) 509-8303

Parts Dept: (888) 208-2049