calculate-loan

01 Loan payments

Car Refinance Cash Out Options and How They Work

Calculator No. 01-4204 · Updated · Formula and assumptions shown below

Monthly payment $405.53
Total interest
$4,331.67
= Monthly payment × loan term × 12 − loan amount
Loan amount
$20,000
Input
Interest rate (APR)
8 %
Input
You enter
Loan amount ($), Interest rate (APR) (%), Loan term (years)
You get
Monthly payment ($), Total interest ($)
Rounding
2 dp

Estimate for education, not financial advice. The result follows from the numbers you enter and the formula shown. It is not a quote or an offer, and it does not include fees, taxes or insurance unless the calculator asks for them. Ask your lender for the exact figures.

Car refinance cash-out options let you replace an existing auto loan with a new loan large enough to pay off the old balance and, if approved, provide some additional money. The calculator below estimates payments and total interest for a fixed-rate loan; enter the proposed loan amount, APR, and term to see the monthly payment and total interest.

Formula

This calculator uses the standard fixed-payment amortization formula. Monthly payment is:

Payment = P × r / [1 − (1 + r)−n]

  • P is the new loan principal, in dollars.
  • r is the monthly interest rate, calculated as APR ÷ 1,200.
  • n is the number of monthly payments, calculated as years × 12.

Total interest is calculated as the rounded monthly payment multiplied by the number of payments, minus the principal: Total interest = payment × n − P. The APR is entered as a percentage per year. The formula assumes equal monthly payments and does not model a changing rate or a different payment schedule.

Worked Example

Using the calculator’s defaults: a $20,000 loan, 8% APR, and a five-year term.

  • Monthly rate: 8 ÷ 1,200 = 0.0066667.
  • Number of payments: 5 × 12 = 60.
  • Payment: $20,000 × 0.0066667 ÷ [1 − (1.0066667)−60] = $405.53 per month, rounded to cents.
  • Total paid using that rounded payment: $405.53 × 60 = $24,331.80.
  • Total interest: $24,331.80 − $20,000 = $4,331.80.

Assumptions

  • The interest rate is fixed for the full term.
  • Payments are equal and made monthly, with the first payment one month after the loan begins.
  • Interest compounds monthly at APR divided by 12.
  • The calculation excludes fees, taxes, insurance, and other charges unless they are included in the loan amount you enter.

How Cash-Out Auto Refinancing Works

With a cash-out refinance, a lender pays off the balance on your current vehicle loan and issues a replacement loan. If the new loan’s proceeds exceed the payoff amount and any financed charges, the difference may be sent to you as cash. The amount is not automatically equal to the gap between your car’s value and loan balance: the lender sets its own eligibility, valuation, and loan-amount rules, which you need to obtain directly.

For example, suppose a payoff quote is $12,000 and a lender approves a $15,000 replacement loan. If $500 in charges are financed, the remaining $2,500 would be the potential cash proceeds before any other adjustments. This arithmetic does not mean the application will be approved or that the lender will offer those terms. A vehicle’s value, existing liens, loan payoff, and lender requirements all affect the actual transaction.

Cash-out refinancing is different from a regular refinance that simply replaces an existing loan, and from a separate personal loan secured by a vehicle. In either case, borrowing against a car can put the vehicle at risk if required payments are not made; review the contract and consequences with the lender before agreeing.

How to Estimate the Amount Available

Begin with a current payoff quote from your existing lender. A payoff quote can differ from the balance shown on a statement because interest may accrue between the statement date and the date the old loan is paid. Ask how long the quote is valid and whether any additional amount will be due.

  1. Check the payoff quote and the date through which it is valid.
  2. Ask the prospective lender what loan amount it would consider and how it values the vehicle.
  3. Subtract the payoff amount and any charges being financed from the proposed new loan amount.
  4. Compare the resulting cash proceeds with the new payment, total interest, and repayment period.
  5. Confirm how the old loan will be paid and when the new payment schedule begins.

The calculator estimates repayment for the entire new loan amount, not the cash you receive. To model a possible offer, include the payoff and any financed charges in the principal input. The result is a mathematical estimate; it cannot determine eligibility, the car’s approved value, or the exact cash disbursement.

Costs, Trade-Offs, and Common Problems

A lower monthly payment does not necessarily mean a lower total borrowing cost. Extending the term can reduce the scheduled payment while increasing the number of months interest accrues. Taking cash also increases the principal relative to a refinance that only pays off the old loan, unless the new terms or other factors change the calculation. Use the proposed APR, term, and complete loan amount supplied by the lender rather than relying on a payment alone.

  • Financed charges: Adding charges to principal means interest may accrue on them too. Ask for an itemized breakdown.
  • Payoff timing: A payoff quote can expire, so a delay may change the amount needed to close.
  • Vehicle value: The lender’s valuation may differ from an online estimate or a sale price.
  • Existing loan terms: Check whether the current contract describes any payoff charges or other conditions; do not assume they are absent.
  • Negative equity: If the current balance exceeds the vehicle’s value, the amount carried into a new loan can leave less room for cash proceeds and may increase the new balance.

Another common misconception is that a cash-out refinance releases “equity” as a guaranteed cash amount. Equity is an estimate of value minus debt, but a lender may use a different vehicle valuation and impose limits. Cash available depends on the approved new principal, the payoff, and costs—not equity arithmetic alone.

Comparing Options and Alternatives

Compare any proposed cash-out refinance with keeping the current loan, refinancing only the payoff balance, or borrowing through another available product. Each option has different rates, fees, collateral, payment schedules, and consequences; those figures must come from the relevant provider. For an apples-to-apples comparison, note the total amount borrowed, APR, term, monthly payment, total scheduled payments, and any upfront or financed charges. The calculator handles a fixed-rate installment loan’s payment math, but it does not judge which option fits your circumstances.

Ask for written figures showing the payoff sent to the current lender, the new principal, cash paid to you, all charges, and the payment schedule. Check that the old loan is actually paid off, and monitor for a final statement or confirmation from the existing lender. Do not treat a preliminary estimate as a completed refinance.

Frequently Asked Questions

Can you get cash back when refinancing a car?
Some lenders offer cash-out auto refinancing, but availability and amounts depend on their terms and approval. Ask the lender for the proposed principal, payoff amount, charges, and net cash proceeds.

How much cash can I get from a car refinance?
There is no universal amount. It depends on the approved loan amount minus the current payoff and any financed costs. Vehicle valuation and lender limits affect what may be available.

Does a cash-out refinance increase my car loan balance?
It can. If the new loan includes money beyond the payoff and financed charges, the principal is larger than the amount needed to replace the old loan.

Will a lower monthly payment save me money?
Not necessarily. A longer term can reduce the payment but increase total interest. Compare total scheduled payments and charges, not just the monthly amount.

Can I refinance if I owe more than my car is worth?
Possibly, depending on the lender’s requirements and the full application, but negative equity can affect approval and the new loan amount. Get the lender’s specific figures; this calculator does not assess eligibility.

What information should I get before applying?
Get a dated payoff quote, the lender’s proposed APR and term, an itemized list of charges, its vehicle valuation or loan amount, and a written estimate of cash proceeds and payment schedule.

This calculator is estimate arithmetic for education, and the lender’s disclosure gives the exact figures.

Related

Formula used
in p | 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

Each line is one input (in, sel, list) or one result (out: label, unit, formula, decimals). How the calculators work

Method: the standard loan formula for this calculation, fixed rate and monthly compounding unless stated, rounded as each result states. Not financial advice; no lender, rate or product is recommended. See formulas and assumptions, the disclaimer or report an error.

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