Car insurance or auto insurance are same thing and their purpose is to cover your vehicle against certain accidents. While shopping for the auto insurance policy, search market and get insurance quotes. When you have done your price comparison and chosen the cheapest cover. In case of an accident car insurance provides the money to get your car fixed. There is some additional APR to be paid to some companies that are offering you to pay on monthly basis. Also do consider that the policy that looks cheapest is not actually the cheapest.