What could increase your rate when switching to your own car insurance policy is your:
When multiple people are on a car insurance policy, companies look at their records to determine rates. For example, if your former spouse had a better driving record than you, your rate was likely lower while on a policy with them. Now that you are switching to your own policy, you could have a higher rate as there is no longer a good driver on the policy. The same would be true for credit history or the area where you live.