Taking the time to do proper car insurance comparison will save you a lot of money on your monthly premiums. There are companies online that will compare car insurance quotes for you. For that, you would just provide some basic information, and the software on the website will search the database to find the quotes for you. They are not always final, but they will give you a good projection of the range for the premium.
When doing a car insurance comparison yourself, the easiest and fastest way is to get an online auto insurance quote. This saves you the time of making the phone call, passing your information to an agent, and then waiting for a response from the agent. It has the added benefit that you will not have to feel badly when you tell the agent that you are just trying to compare auto insurance rates, and you will let them know if you choose their company.
The best thing to do is to get several quotes before making that decision.