Auto Loan Refinance Calculator
Thinking of refinancing? See exactly how much you can save.
Direct Answer
If your credit score has improved or rates have dropped, refinancing can save you thousands.
Current Loan Details
New Loan Details
Monthly Savings
New Payment: $576 / mo
Interest Comparison
Step by step
How to use this tool
- 1
Enter your current remaining loan balance from your most recent lender statement.
- 2
Enter your current interest rate (APR).
- 3
Enter the new rate a lender has offered you — or shop around at credit unions for the best quote.
- 4
Enter the remaining months on your current loan.
- 5
Compare the monthly savings and total interest saved. Factor in any origination fees the new lender charges before committing.
Decision context
What this calculator helps you decide
Use Auto Loan Refinance Calculator when you need a quick, structured answer before you spend money, approve work, prepare a trip, compare options, or share information with a buyer, seller, shop, lender, or insurer. Enter the inputs you already know, review the result, then use the assumptions and limits below to decide what to check next.
Inputs and outputs
Start with the inputs that most affect this decision: Current Loan Balance, Current Rate, New Rate. The output is meant to make the next step easier to compare, not to replace a written quote, inspection, policy document, loan disclosure, or local rule.
The main outputs are Monthly Savings, Total Interest Saved. If one input is uncertain, change that value and compare the result again before treating a single estimate as final.
Best-use cases
This page is built around the search intent: calculate refinance savings, lower monthly payment. It is most useful when you want to narrow a decision, prepare better questions, or avoid missing a cost, risk, fitment issue, paperwork step, or ownership detail.
Keep the assumptions visible while using the result. If your vehicle, location, driving pattern, quote, loan, insurance policy, or listing situation is unusual, use this as a planning screen and verify the final decision with the relevant document, professional, or local requirement.
Methodology
How the estimate works
Inputs, outputs, and calculation logic.
Logic
Calculates the difference in amortization schedules.
Inputs
- Current Loan Balance
- Current Rate
- New Rate
Outputs
- Monthly Savings
- Total Interest Saved