CarBravo Certified Used
Value Trade-In
Get an online quote from Mark Christopher Auto Center or sell your used vehicle.
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
Good and timely service
It was just overall great and excellent ?? Definitely gonna recommend this dealership to my friends,neighbors and family
It was just overall great and excellent ?? Definitely gonna recommend this dealership to my friends,neighbors and family
Where not able to fix my issue Where not able to fix my issue aftwr takimg it theee times
Jackie always top notch customer service. Always appreciate the staff. Won’t go anywhere else
We love mark Christopher Alex is our go to guy. Will always come back to get our cars here.
Gregg Hernandez is an over the top customer service salesman. We bought a new Cadillac Lyric from him at Mark Christopher Cadillac. I highly recommend him if you are in the market for a vehicle. Thanks Gregg!!
Very expensive had to take my truck to another shop for the services it requires.
Easy to work with, professional, and respected my time And he seemed very honest With me
Great customer service. I brought car in for an oil change. I was very pleased that it was done to my satisfaction.
Worked with us to get a good deal and the process was smooth and easy to deal with. Sales people were great
Great people great variety of cars and trucks to chose from and work hard tobget you what you want.
Joe was very helpful and informative about the truck and got me the best price possible. The financing was extremely easy and very informative with all the options for Additional coverages! It was a Great experience working with everyone!
They actually fix my AC on my encore.
Hard to get car issues resolved, long waiting lines for loaners, service/maintenance department careless