For consumers trying to determine the best vehicle for their needs it can often be extremely confusing hopping from website to website in the search of your desired information. Making a gas mileage chart is one of the best ways to quickly and easily compare gas mileage of vehicles that you are interested in, from a single location. This can allow you to spend your time looking at new information, rather than just looking back and forth for the gas mileage again each time you forget it.