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Paying off a loan with a loan to get a better interest rate
Your current loan is for a new car. Your refinanced loan would probably be for a used car. They have different underwriting standards and used car loan rates are usually higher because of the higher risks associated with the loans. (People with better credit will tend to buy new cars.) This doesn't mean that you can't come out ahead after refinancing but you'll probably have to do a bit of searching. I think you should take a step back though. 5% isn't that much money and five years is a long time. Nobody can predict the future but my experience tells me that the **** is going to hit the fan at least once over any five year period, and it's going to be a really big dump at least once over any ten year period. Do you have savings to cover it or would you have to take a credit card advance at a much higher interest rate? Are you even sure that's an option - a lot of people who planned to use their credit card advances as emergency savings found their credit limits slashed before they could act. I understand the desire to reduce what you pay in interest but BTDT and now I don't hesitate to give savings priority when I have some excess cash. There's no one size fits all answer but should have at least one or two months of income saved up before you start considering anything like loan prepayments.