Read reviews by dealership customers, get a map and directions, contact the dealer, view inventory, hours of operation, and dealership photos and video. Learn about BMW of Ontario in Ontario, CA.

Shop RAM ProMaster City vehicles in Ontario, CA for sale at Cars.com. Research, compare, and save listings, or contact sellers directly from 32 ProMaster City models in Ontario, CA.

In recent years, the Ontario 4th of July Festival has been held at Marshall Park. It is the city's biggest event of the year.