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Welcome to Mark Christopher Auto Center
Ontario's #1 Volume GM Dealer
Welcome to Mark Christopher Auto Center, California's #1 volume GM dealer and the Inland Empire's most trusted source for new Buick, Cadillac, Chevrolet, GMC vehicles. Located at 2131 Convention Center Way in Ontario, CA, we have been family-owned and operated for over 50 years, serving drivers from Rancho Cucamonga, Riverside, Fontana, Los Angeles, Anaheim, and throughout Southern California. Our commitment to competitive pricing, genuine customer service, and deep community investment has made Mark Christopher a household name across San Bernardino, Riverside, Orange, and Los Angeles County.
Shop New Buick, Cadillac, Chevrolet, GMC Vehicles in Ontario, CA
With one of the largest GM inventories in the state, Mark Christopher Auto Center gives Southern California drivers access to the full 2026 Buick, Cadillac, Chevrolet, GMC lineup under one roof. Whether you're configuring a Chevrolet Silverado 1500, cross-shopping the Traverse and Tahoe for family duty, or exploring the electric lineup with the Chevrolet Equinox EV or Blazer EV, our inventory has the trim, color, and package you're looking for. Browse our full new inventory and check out our must-see deals for current incentives.
Quality Pre-Owned Vehicles for Every Budget
Mark Christopher maintains a carefully inspected pre-owned inventory spanning a wide range of makes, models, and price points. Every used vehicle on our lot has been rigorously inspected and reconditioned before hitting the showroom floor. Budget-conscious shoppers can filter by price with our used vehicles under $25,000 collection, or check our latest pre-owned specials for additional savings.
Auto Financing for All Credit Profiles
Our finance center is staffed by experienced F&I specialists who work with a broad lender network to structure competitive loan and lease terms for buyers at every credit tier. Apply for financing online before your visit, or use our trade-in tool to get a market-based estimate on your current vehicle. Businesses across the Inland Empire also rely on Mark Christopher for commercial fleet financing on Buick, Cadillac, Chevrolet, GMC work trucks and cargo vans.
Expert Service & Genuine GM Parts
Our relationship with customers extends well beyond the sale. Mark Christopher's factory-trained, GM-certified technicians handle everything from routine oil changes and tire rotations to complex diagnostics, transmission service, and collision repair through our dedicated collision and body shop. Need work done on your schedule? Our mobile service brings certified technicians directly to you. Genuine GM parts are stocked on-site and available to order online. Check our current service and parts specials and schedule your appointment online today.
Proudly Serving Southern California for Over 50 Years
Mark Christopher Auto Center has contributed more than $11 million to local charities, nonprofits, and community organizations across the Inland Empire, because we believe a great dealership is measured by more than the vehicles it sells. Whether you're visiting from Pomona, Upland, San Bernardino, Moreno Valley, or anywhere across Southern California, our team is ready to deliver a completely personalized shopping experience. Contact us or stop by our Ontario showroom and experience the Mark Christopher difference today.
Our Reviews
Nobu and the team got my car fixed in a timely manner and the communication was great
I stood 2 hrs in fianace to sign and take delivery amd the finance mgr decide NOT to sign .... wasted my time
My Man Avo. Always a great help when it comes to me coming into the dealership. Always has a great attitude and is always helpful to the maximum. Thank you guy’s at Chevy for making things happen.
All staff were excellent, made me comfortable with purchase, will recommend dealership to friends and family
My husband Richard and I have dealt with Mark Christopher for many years..... we are always pleased with the service and throughout the years of being marride (45) we've purchased all of our autos at MC and will continue to do so.
Everyone was nice and respectful and my main objective was to not spend my whole day at any Dealership,the first thing I said to Mike was not all day please and he said it will be smooth
Nobu always provides excellent and timely service. I will always go to Nobu for my service needs.
Excellent buying experience. Very professional, kind staff. Would recommend all friends and family to purchase here. Thank you Lloyd, Johnny and JT!
Mark Christopher dealership was very helpful in what I needed. I would highly recommend this location to anyone who needs or wants a Cadillac. Brady Ho was great, very informative and helpful.
Great service and very expedient. Thanks to Chris Alvarado for his professionalism and expertise. Thank you
Very Friendly, Professional and knowledgeable. Went above and beyond to help me find my points to reduce my cost of services. Nobu helped me. Always a smile on his face.
dealership was god and professional, i went in for an oil change and first maintenance and they made it easy and fast and even paid for my uber so i didn’t have to wait for the car to be done ! ✅
Great service by Nelson Rios. He was pleasant, professional and took time to explain everything.