Before you purchase a new SUV or car, it’s best to compare their mileage to help you decide. The gas mileage comparison tool shows you how much money you could save in terms of fuel costs by driving a hybrid automobile instead of the gas guzzler you own at present. It is simple to use - enter the number of miles per gallon that you get currently. Take the estimated number of miles you drive your vehicle in a year. You can then enter the amount you expect to pay for a gallon of gas over the next year. Now, choose a hybrid vehicle and click on “Calculate My Gas Savings” button. A bit of work before deciding the car that would suit you, will go a long way in saving on fuel costs.