Reduce Auto Loans and figure out how to save money in the long run . Most people get a auto loan when they purchase a car. Sometimes, the loan is obtained from an outside source, but often, it is gotten through the car dealer. The amount of your monthly obligation is determined by the amount of money that you borrow, the interest attached to the loan, and the number of months needed to pay off the debt in full. It is possible to shrink this loan down to size simply by using the following strategies.