oh OH! You're going from a 6 to a 5? I thought you were going from a 5 to a 6. As long as you're ok with higher payments, you will save money over time. If you've been making extra payments, this may not be a factor at all which makes sense.
Auto loans have a huge APR jump from 5-6 years (oddly enough, not from 3-5 though). Your payments will be higher over 5 years but the interest payments will be much less.
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