Auto Refinance Calculator Free
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Reviewed by Calculator Editorial Team
Use this free auto refinance calculator to estimate potential savings when refinancing your car loan. Compare different loan options and determine if refinancing makes financial sense for your situation.
How to Use This Calculator
To use the auto refinance calculator:
- Enter your current loan balance
- Input your current interest rate
- Specify the remaining term of your current loan
- Enter the new interest rate you're considering
- Choose the new loan term you want
- Click "Calculate" to see your estimated savings
The calculator will show you the monthly payment difference, total interest paid, and total cost of the loan for both your current and new loan options.
How Auto Refinancing Works
Auto refinancing is the process of replacing your existing auto loan with a new one, typically with better terms. When you refinance, you take out a new loan to pay off your old one, often with a lower interest rate or different loan term.
There are two main types of auto refinancing:
- Rate-and-term refinance: You get a new interest rate and loan term while keeping the same loan amount.
- Cash-out refinance: You take out a new loan for more than your existing loan balance, using the difference as cash.
Monthly Payment Formula
The monthly payment for a loan is calculated using the 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)
When to Refinance Your Auto Loan
Refinancing your auto loan can be beneficial in several situations:
- When interest rates have dropped significantly: If current interest rates are much lower than your current rate, refinancing could save you hundreds or thousands over the life of the loan.
- When you want to pay off your loan faster: You can refinance to a shorter term to pay off your loan more quickly and save on interest.
- When you need cash: If you have good credit and can qualify for a cash-out refinance, you might use the extra cash for home improvements, debt consolidation, or other expenses.
- When you want to switch lenders: Some lenders offer better customer service, rewards programs, or other benefits that might make refinancing worthwhile.
However, there are also situations where refinancing might not be the best option:
- If you have a good credit score and can get a lower rate elsewhere
- If you're close to paying off your current loan
- If you don't have enough equity in your car to qualify for refinancing
Example Calculation
Let's look at an example to see how the auto refinance calculator works.
Suppose you have a $20,000 auto loan with a 6.5% interest rate and 48 months remaining. You're considering refinancing to a new loan with a 4.5% interest rate and a 60-month term.
| Loan Detail | Current Loan | New Loan |
|---|---|---|
| Loan Amount | $20,000 | $20,000 |
| Interest Rate | 6.5% | 4.5% |
| Loan Term | 48 months | 60 months |
| Monthly Payment | $452.38 | $372.24 |
| Total Interest Paid | $1,108.64 | $745.44 |
| Total Cost of Loan | $21,108.64 | $20,745.44 |
In this example, refinancing saves you $363.20 per month and $363.20 in total interest over the life of the loan. The total cost of the loan is also lower by $363.20.
Important Considerations
While this example shows potential savings, actual results may vary based on your specific financial situation. Always consider factors like closing costs, credit score, and other financial obligations before making a decision.
Frequently Asked Questions
How much does it cost to refinance an auto loan?
Refinancing an auto loan typically costs between $500 and $1,500 in closing costs, which may include fees for appraisal, credit report, title search, and other services. These costs are often rolled into the loan, so they don't come out of your pocket upfront.
How long does it take to refinance an auto loan?
The refinancing process typically takes 30 to 45 days, though some lenders can process applications in as little as 7 to 14 days. The exact time depends on your lender, the complexity of your situation, and whether you need to get an appraisal.
Can I refinance an auto loan with bad credit?
Yes, you can refinance an auto loan with bad credit, but you may have limited options and pay higher interest rates. Subprime lenders specialize in loans for borrowers with lower credit scores, though they typically have higher interest rates and fewer benefits than prime loans.
What happens to my existing auto loan when I refinance?
When you refinance your auto loan, your new lender will pay off your existing loan. This means you'll have one monthly payment to make, and your credit report will show both the paid-off loan and the new loan.