Auto Loan Refinance Savings Calculator
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Reviewed by Calculator Editorial Team
Refinancing your auto loan can save you money over time by securing a lower interest rate or extending your loan term. Use this calculator to estimate your potential savings when refinancing your current auto loan.
How to Use This Calculator
To calculate your potential auto loan refinance savings:
- Enter your current auto loan balance
- Enter your current interest rate
- Enter your current loan term in months
- Enter your new interest rate you're considering
- Enter your new loan term in months (optional)
- Click "Calculate Savings"
The calculator will show you your estimated monthly payment under both scenarios and the total savings over the life of the loan.
How Auto Loan Refinancing Works
Refinancing your auto loan involves replacing your current loan with a new one, typically with better terms. This can mean:
- Lowering your interest rate to reduce monthly payments
- Extending your loan term to lower monthly payments
- Shortening your loan term to pay off the loan faster
The key formula for calculating your monthly payment is:
Monthly Payment = P × (r(1 + r)^n) / ((1 + r)^n - 1)
Where:
- P = Principal loan amount
- r = Monthly interest rate (annual rate divided by 12)
- n = Number of payments (loan term in months)
By comparing the monthly payments under your current and new loan terms, you can estimate your savings.
Example Calculation
Let's say you have a $20,000 auto loan with a 6.5% interest rate and a 60-month term. You're considering refinancing to a 4.5% interest rate with the same term.
Using the calculator:
- Current monthly payment: $387.46
- New monthly payment: $324.62
- Monthly savings: $62.84
- Total savings over 5 years: $3,770.40
This example shows how refinancing to a lower interest rate can save you money over time.
Key Factors to Consider
When deciding whether to refinance your auto loan, consider these factors:
Interest Rate Comparison
Compare your current interest rate with the new rate you're considering. Even a small difference can lead to significant savings over time.
Loan Term
Consider whether you want to extend or shorten your loan term. Extending the term lowers monthly payments but increases the total interest paid.
Credit Score
Your credit score affects the interest rate you can secure. A higher score may qualify you for a lower rate.
Fees and Costs
Be aware of any fees associated with refinancing, such as application fees or prepayment penalties.
Market Conditions
Interest rates fluctuate with market conditions. If rates are low now, refinancing may be a good time to act.