Auto Refinance Calculator 2026

Calculate how much you can save by refinancing your auto loan to a lower interest rate.

Auto Refinance Calculator

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Total Savings

$737.35

By refinancing

Current Payment

$470.05

New Payment

$449.56

Monthly Savings

$20.48

Interest Saved

$737.35

Tips
  • Refinancing makes sense if you can lower your rate by 1% or more
  • Check for prepayment penalties on your current loan

When Should You Refinance Your Auto Loan?

Auto loan refinancing can save you hundreds or even thousands of dollars over the life of your loan. By replacing your current loan with a new one at a lower interest rate, you can reduce your monthly payments, pay off your loan faster, or both. Understanding when and how to refinance is key to maximizing your savings.

What is Auto Loan Refinancing?

Auto loan refinancing means taking out a new loan to pay off your existing car loan. The new loan typically has better terms, such as a lower interest rate, different loan length, or both. This can result in lower monthly payments, less total interest paid, or a shortened loan term.

When Does Refinancing Make Sense?

  • Interest rates have dropped: If rates are 1% or more lower than your current rate, refinancing can save significant money
  • Your credit has improved: If your credit score has increased since you got your loan, you may qualify for much better rates
  • You need lower payments: Extending your loan term can reduce monthly payments (though you may pay more interest overall)
  • Your original dealer rate was high: Dealer financing is often higher than bank or credit union rates

How Much Can You Save?

The amount you can save depends on your current rate, new rate, remaining balance, and loan term. For example, refinancing a $15,000 balance from 8% to 5% on a 36-month term can save over $700 in total interest and reduce monthly payments by about $20.

💡 Pro Tip: Check for Prepayment Penalties

Before refinancing, check your current loan agreement for prepayment penalties. Most auto loans don't have them, but some subprime loans do. Factor any penalty into your savings calculation.

Frequently Asked Questions About Auto Refinancing

The best time is when interest rates have dropped significantly (1%+ lower), your credit score has improved, or you originally got dealer financing at a high rate. Generally, refinancing earlier in your loan term provides more savings.
Yes, but you may not get the best rates. Some lenders specialize in bad credit auto refinancing. Focus on improving your credit first for the best terms.
Refinancing involves a hard credit inquiry which may temporarily lower your score by a few points. However, the long-term benefits of lower payments typically outweigh this minor impact.
Most auto refinancing can be completed in 1-3 business days. Online lenders often provide instant decisions and can pay off your old loan quickly.