Auto Loan Refinance Calculator Comparison

Refinancing your auto loan can save you money over time by lowering your interest rate or extending your loan term. Our comparison calculator helps you evaluate different refinancing options to find the best deal for your situation.

How Auto Loan Refinancing Works

Auto loan refinancing involves replacing your existing auto loan with a new one, typically with better terms. There are two main types of refinancing:

Rate-and-Term Refinancing

This is the most common type where you secure a new loan with a lower interest rate and/or different loan term. The new loan pays off your existing loan, and you get the difference in payments as savings.

Cash-Out Refinancing

This allows you to take out additional cash while refinancing. You must have good credit and be able to afford the higher monthly payments. Cash-out refinancing is riskier as it increases your debt.

Before refinancing, check your credit score, compare offers from multiple lenders, and consider the total cost of refinancing including fees and closing costs.

Key Considerations

Credit score requirements (typically 620+ for rate-and-term, 660+ for cash-out)
Loan-to-value ratio (LTV) - the percentage of your car's value that's being financed
Closing costs and fees
Impact on insurance rates
Time to break even on refinancing costs

Using the Refinance Calculator

Our auto loan refinance calculator helps you compare different refinancing scenarios. Enter your current loan details and potential new loan terms to see how much you could save.

How to Use the Calculator

Enter your current loan balance and interest rate
Input your current loan term and monthly payment
Enter the new loan terms you're considering
Click "Calculate" to see your savings and new payment
Review the break-even analysis and interest savings

Key Formulas

Monthly Payment Calculation:

P = L × (r(1 + r)^n) / ((1 + r)^n - 1)

Where P = monthly payment, L = loan amount, r = monthly interest rate, n = number of payments

Total Interest Paid:

Total Interest = (Monthly Payment × n) - Loan Amount

Break-Even Time:

Break-Even Months = Refinancing Fees / (Old Payment - New Payment)

Example Scenario

If you have a $20,000 loan at 6% interest for 60 months with $300 monthly payments, and you refinance to 4% interest for 72 months with $250 monthly payments and $500 in fees:

New monthly payment: $250
Monthly savings: $50
Total savings over 72 months: $3,600
Break-even time: 10 months

Refinance Comparison Example

Here's a comparison of different refinancing options for a $25,000 loan with 5% current interest:

Option	New Rate	New Term	Monthly Payment	Total Interest	Total Cost
Current Loan	5%	60 months	$443.23	$2,659.40	$27,659.40
Option 1	3.5%	60 months	$410.67	$1,684.20	$26,684.20
Option 2	4%	72 months	$346.23	$2,049.40	$27,049.40
Option 3	3%	84 months	$298.75	$1,430.00	$26,430.00

This comparison shows that while Option 3 has the lowest interest rate, it has the highest monthly payment. Option 1 offers the best balance of lower interest and similar term.

Frequently Asked Questions

How long does it take to refinance an auto loan?

The process typically takes 30-45 days, though some lenders offer faster options. Online applications can speed up the process.

Can I refinance a car loan with bad credit?

Yes, but you'll need to find a lender that specializes in bad credit auto loans. Rates will be higher, and you may need to put down more money.

What fees should I expect when refinancing?

Common fees include origination fees (1-5% of loan amount), closing costs ($300-$1,000), and prepayment penalties if you refinance before the end of your current term.

Will refinancing hurt my credit score?

A hard inquiry for the new loan will temporarily lower your score, but the overall impact depends on your credit history and how you manage your accounts.