Auto Refinance Loans Calculator
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Reviewed by Calculator Editorial Team
Refinancing your auto loan can help you save money by taking advantage of lower interest rates or shorter loan terms. Our auto refinance loans calculator helps you estimate your potential savings and new monthly payments by comparing your current loan with a new refinance option.
How Auto Refinance Works
Auto refinancing involves replacing your current auto loan with a new loan from a lender offering better terms. This can be done with the same lender or a different financial institution. The process typically includes:
- Checking your credit score and loan eligibility
- Comparing current and potential refinance rates
- Choosing between a new loan term and payment structure
- Applying for and approving the new loan
- Closing your old loan and transferring ownership to the new lender
Refinancing can be a good option if you can secure a lower interest rate, reduce your monthly payment, or shorten your loan term. However, it's important to consider closing costs and whether refinancing will actually save you money in the long run.
Monthly Payment Formula
The monthly payment for a refinance loan can be calculated using the standard loan payment formula:
M = P [i(1 + i)n] / [(1 + i)n - 1]
Where:
- M = monthly payment
- P = principal loan amount
- i = monthly interest rate (annual rate divided by 12)
- n = number of payments (loan term in years multiplied by 12)
Key Considerations
- Refinancing typically requires good credit (usually 620+ FICO score)
- Closing costs (2-5% of loan amount) may offset savings
- You may need to pay off your current loan early
- Check if your vehicle's value has increased
Worked Example
Let's look at an example to see how refinancing might work for you.
| Current Loan | Refinance Option |
|---|---|
| Loan Amount: $20,000 | Loan Amount: $20,000 |
| Interest Rate: 6.5% | Interest Rate: 4.5% |
| Loan Term: 60 months | Loan Term: 60 months |
| Monthly Payment: $362.29 | Monthly Payment: $325.79 |
| Total Interest Paid: $4,955.76 | Total Interest Paid: $2,735.54 |
| Total Cost: $24,955.76 | Total Cost: $22,735.54 |
In this example, refinancing at a lower rate saves $36.50 per month and reduces total interest paid by $2,220.22 over the life of the loan. However, you should also consider closing costs (typically 2-5% of the loan amount) when making your decision.
Frequently Asked Questions
How much can I save by refinancing my auto loan?
The amount you can save depends on your current interest rate, the new rate you qualify for, and your loan term. Our calculator can help you estimate potential savings by comparing different scenarios.
Is it better to refinance with the same lender or a different one?
Refinancing with the same lender is often the simplest option, but you may find better rates with a different financial institution. Compare offers from multiple lenders to find the best terms.
What are the closing costs for refinancing an auto loan?
Closing costs typically range from 2% to 5% of the loan amount and may include fees for appraisal, credit report, title search, and other services. These costs can offset some of your savings.
Can I refinance if my car's value has decreased?
Lenders typically require that your vehicle's value is at least equal to the loan amount. If your car's value has decreased, you may need to pay the difference or find another way to secure the loan.