If you are out looking for cheap auto insurance for 18 year olds because you need to purchase your own policy, then a great place to start your search is online. As a young driver, most websites have step-by-step online guides that will take you through the process of getting a quote and comparing prices so that you end up with a good deal. Getting your own auto insurance policy does not need to be a difficult process, but it will take a lot of learning and researching on your part as a younger driver.