Baton Rouge LA stands at number 6 in the list of cities with most expensive car insurance rates in Arizona with a indexing difference of $521. This means that the car owners in Baton Rouge LA pay $521 more in car insurance premium than the Arizona 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.