Cash-Out Vehicle Refinance Calculator and Loan Guide

A cash-out vehicle refinance calculator estimates a new monthly payment and total interest when you replace an existing auto loan with a larger loan and take the difference in cash. Enter the new loan amount, APR, and term to see the payment and interest; the result is an estimate, not an approval or a lender quote.

Formula

This calculator estimates the scheduled payment and total interest for a fixed-rate loan with equal monthly payments. It does not calculate whether a lender will allow cash out. To model a refinance, enter the proposed new loan’s full principal, not just the cash you expect to receive.

• Monthly payment: M = P × r ÷ [1 − (1 + r)⁻ⁿ]
• Total interest: I = M × n − P
• Monthly rate: r = APR ÷ 1,200
• Number of payments: n = years × 12

P is the new loan principal in dollars, APR is the annual percentage rate entered as a percent, r is the monthly interest rate as a decimal, M is the monthly payment in dollars, I is total interest in dollars, and n is the number of monthly payments. The payment formula uses the unrounded mathematical payment; displayed dollars are rounded to cents. Total interest uses the displayed payment rounded to cents multiplied by the number of payments, as specified by the calculator.

Worked Example

Using the default inputs—P = $20,000, APR = 8%, and a 5-year term:

1. Convert the annual rate to a monthly decimal: r = 8 ÷ 1,200 = 0.0066667.
2. Convert the term to monthly payments: n = 5 × 12 = 60.
3. Substitute into the payment formula: M = 20,000 × 0.0066667 ÷ [1 − (1.0066667)⁻⁶⁰].
4. The unrounded payment is approximately $405.53, so the displayed monthly payment is $405.53.
5. Total interest using the displayed payment is $405.53 × 60 − $20,000 = $4,331.80.

Assumptions

• The APR and payment stay fixed throughout the loan.
• Payments are monthly and made at the end of each monthly period.
• Interest compounds monthly at APR divided by 12.
• The calculation excludes fees, taxes, insurance, add-on products, and any payoff charges or credits. Obtain actual figures from the lender.

What Cash-Out Vehicle Refinancing Means

With a cash-out vehicle refinance, a lender pays off an existing auto loan and issues a new loan for a larger principal amount, if the transaction is permitted and approved. The difference between the new loan and the amount used to pay off the old one may be paid to the borrower, after applicable transaction costs or adjustments. It is borrowing against the vehicle’s value, not cash released without debt.

For example, suppose a lender’s payoff figure is $12,000 and a proposed replacement loan is $16,000. Before any costs or other adjustments, the gross difference is $4,000. The amount actually received may be lower. The calculator above estimates payments on the full $16,000, not on the $4,000 cash difference. A payoff quote can also differ from the balance shown on a monthly statement because of accrued interest, timing, or other account details.

How to Estimate the Cash and Payment

The calculator requires the new principal, rate, and term. To estimate the cash portion separately, first obtain the current lender’s payoff amount and the proposed lender’s written figures. Then compare the proposed loan principal with the amount sent to pay off the existing loan and any costs included in the transaction. The simple subtraction is only an estimate until the lender confirms the settlement and cash disbursement.

• Use the lender’s current payoff figure rather than assuming the statement balance is exact.
• Use the proposed new loan’s full principal as the calculator’s loan amount.
• Enter the proposed APR and term from the offer or disclosure; do not treat the example defaults as a quote.
• Compare the new payment and total interest with the remaining payments on the current loan, using consistent assumptions.

A lower monthly payment alone does not show that a refinance costs less overall. A longer repayment term can reduce the scheduled payment while increasing the time interest accrues. Also account for any fees or other amounts added to the new balance when making a comparison.

Costs, Vehicle Value, and Loan Terms

The amount available as cash depends on details the payment calculator cannot determine, including the lender’s valuation of the vehicle, the payoff amount, the proposed principal, and transaction costs. Lenders set their own eligibility and vehicle requirements; those criteria are not inferred by this calculator. Ask for the complete written terms, including the amount financed, APR, payment count, fees, and expected cash disbursement.

Taking cash out increases the debt secured by the vehicle compared with refinancing only the amount needed to pay off the old loan. If the vehicle’s value falls or the loan balance is paid down slowly, the balance could exceed the vehicle’s resale value. The calculator does not estimate vehicle depreciation, equity, or the risk of owing more than the vehicle is worth.

Check whether the proposed term extends the payoff date. For a fair comparison, consider total remaining payments on the current loan against all scheduled payments on the replacement loan, plus any amounts paid upfront. The calculator’s total-interest figure is a simplified schedule estimate, not a complete transaction-cost comparison.

Common Misunderstandings and Limits

Cash-out refinancing is not the same as a loan modification: it replaces the existing loan with a new contract rather than merely changing a term on the current account. It is also different from a cash advance that does not use the vehicle as collateral. If payments are not made, the vehicle may be at risk under the new loan agreement; read the contract and ask the lender about its terms.

APR is not necessarily identical to the interest rate used in every lender’s payment schedule. This calculator uses the APR input as a nominal annual rate divided by 12, a standard simplified amortization assumption. Fees, payment dates, irregular first periods, optional products, and lender-specific rounding can make a quoted payment differ. The term input is in years, and the result assumes exactly 12 monthly payments per year.

Do not enter only the cash you want to receive as the loan amount. Doing so would omit the payoff portion and understate the payment. Conversely, do not assume the difference between the new principal and current balance is the final cash amount: use the lender’s payoff and disbursement figures.

Frequently Asked Questions

Can you get cash out when refinancing a vehicle loan?
Some lenders offer cash-out vehicle refinancing, but availability and approval depend on the lender’s terms and review. The calculator estimates payments only; it cannot establish eligibility or the amount of cash available.

How do I calculate the cash I might receive?
Start with the proposed new loan amount, then subtract the current loan payoff and any costs or adjustments paid from the new loan. Confirm the exact payoff and disbursement with the lender; a statement balance may not be the payoff amount.

Does cash-out refinancing lower my monthly payment?
Not necessarily. Payment depends on the new principal, APR, and term. A longer term may lower the scheduled payment while increasing total interest, and taking cash out increases the amount borrowed compared with paying off the old loan alone.

Does refinancing reset the vehicle loan term?
A replacement loan has its own term and payment schedule. If its term is longer than the remaining period on the current loan, the vehicle may take longer to pay off. Compare the dates and total scheduled payments in the written terms.

What should I enter as the loan amount?
Enter the full principal of the proposed replacement loan, including the amount used to pay off the current loan and any costs included in the financing—not just the cash you expect to receive.

The result is an estimate, and the lender’s disclosure gives the exact figures.

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in p | New loan amount | $ | 20000 | 1 | 100000000
in apr | Interest rate (APR) | % | 8 | 0.01 | 100
in yrs | Loan term | years | 5 | 0.0833 | 50
out pmt | Monthly payment | $ | p * (apr / 1200) / (1 - (1 + apr / 1200) ^ -(yrs * 12)) | 2
out int | Total interest | $ | pmt * yrs * 12 - p | 2