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Guides · Updated June 21, 2026 · 7 min read

Should You Refinance Your Auto Loan?

Refinancing replaces your current auto loan with a new one — ideally at a lower interest rate, so more of each payment goes to principal. It can save real money, but only in the right circumstances. Here's how to tell if it's worth it for you.

→ See how a lower rate changes your payoff and interest

When refinancing is worth it

The costs and traps to watch

→ Compare your current loan to a lower-rate option

Find your break-even point

Add up any refinancing fees, then see how many months of interest savings it takes to cover them. If you'll keep the car well past that break-even point, refinancing makes sense. If you're close to paying the loan off anyway, the savings are usually too small to bother.

Quick rule: refinancing tends to pay off most when you have significant time left on the loan and can cut your APR by roughly two percentage points or more.

How to refinance, step by step

  1. Check your current loan — balance, APR, remaining term, and any prepayment penalty.
  2. Shop around. Get quotes from banks, credit unions, and online lenders; many offer soft-pull pre-qualification that won't hurt your credit.
  3. Compare total cost, not just the monthly payment — keep the term the same or shorter if you can.
  4. Apply with the best offer; the new lender typically pays off your old loan directly.

The bottom line

Refinance when you can lower your APR meaningfully and you'll keep the car past the break-even point — and resist the temptation to stretch the term just for a smaller payment. Run both loans through a calculator and compare total interest before you decide.

→ Compare loans and total interest now — free, private

Related: Pay off a car loan early · Extra payments explained