There is a wide range to sort from concerning the online car insurance broker. You would be mistaken to assume that just because several brokers are comparing the same insurance companies, that they will all give you the same one as the cheapest. In order to get the best deal, you should use several online car insurance brokers. One insurance broker you should definitely use is “Compare The Market”. They compare a large range of insurance companies, and allow you to alter the voluntary excess on your premium, and choose the extras you want included on your insurance. For example, a courtesy car. This can be done with a click of a button on the sidebar, rather than filling out the online forms all over again.