Walkin Car Insurance | Affordable Auto Insurance Ontario CA stands at number 6 in the list of cities with most expensive car insurance rates in California with a indexing difference of $521. This means that the car owners in Ontario CA pay $521 more in car insurance premium than the California state average and $850 more than the national average. This make it even more important for you to shop for a few car insurance rates before you buy your policy. Exactly where we fit in for you. We help you get multiple car insurance quotes at one place with just 5 simple questions answered or on a quick call with one of our agents. We have helped hundreds of car insurance buyer in Ontario save huge on their premium cost. We use insurance companies own tricks to get you the cheapest possible car insurance deal in Ontario CA area.