Auto Loan Calculator

Model vehicle price, trade equity, rebates, taxes, fees, financing, and total cost.

Monthly payment

$515

LTV 76.1%

Net trade equity$5,000

Sales tax$1,820

Amount financed$26,620

Total interest$4,258

Total loan payments$30,878

Total cash outlay incl. trade$43,878

Trade-in tax treatment varies by jurisdiction. Insurance, maintenance, registration renewals, depreciation, and add-on products are excluded.

Important limitation

Taxes and trade credits vary by location. Confirm the buyer's order and loan disclosure, and budget separately for ownership and depreciation.

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Planning guide

Read the complete guide →

Understand this estimate before using it

Quick answer

What does the Auto Loan Calculator do?

Model payment, trade equity, sales tax, amount financed, and total cost. It builds amount financed from vehicle price, tax, fees, down payment, rebates, trade value, and trade payoff before amortizing the loan.

Formula and calculation method

It builds amount financed from vehicle price, tax, fees, down payment, rebates, trade value, and trade payoff before amortizing the loan.

The result is only as reliable as the inputs. Use current balances, rates, fees, dates, and documents; then change uncertain assumptions to see whether the conclusion remains stable.

How to interpret the result

Treat the output as a comparison or planning range, not a quote, approval, eligibility decision, tax return, or prediction. Review the breakdown—not only its headline number—and read every stated exclusion.

For current background, review CFPB auto-loan resources. Product documents and official program tools control when they differ from this educational model.

Worked scenario

Put the result in context

For a $30,000 vehicle with $2,000 of tax and fees, a $5,000 down payment, and no trade balance, begin with $27,000 financed. Then add insurance, fuel, maintenance, and registration to evaluate the all-in budget.

This scenario illustrates the method; it is not a quote, forecast, recommendation, or substitute for entering your actual facts.

Before you calculate

Gather current information before changing the defaults. A result based on verified records is more useful than a precise answer built from guesses.

vehicle price, rebates and fees

Check the date, unit, and source of this input before entering it.

down payment and trade-in equity

Check the date, unit, and source of this input before entering it.

sales tax rate

Check the date, unit, and source of this input before entering it.

interest rate and loan term

Check the date, unit, and source of this input before entering it.

What the result can answer

It can show how the entered assumptions interact, provide a consistent comparison, and reveal whether changing one important input materially changes the estimate.

What the result cannot decide

It cannot confirm approval, eligibility, market pricing, future performance, legal or tax treatment, contract quality, or whether the choice fits every part of your finances.

A practical next-step workflow

01 · Verify
Compare the inputs with current statements, quotes, official rules, and product documents.
02 · Stress-test
Run a second case with a less favorable value for interest rate and loan term.
03 · Confirm
Get an itemised buyer's order and compare offers on APR and total cost rather than on the monthly payment before acting.

Frequently asked questions

Should I shop by monthly payment?

No. Negotiate price and financing separately, then compare amount financed, APR, term, fees, and total cost.

Does lease versus buy include every charge?

Only the values entered. Obtain the lease disclosure and purchase quotes because mileage, disposition, wear, tax, and acquisition rules vary.

What can make this estimate differ from an actual result?

Timing, rounding, rate changes, fees, taxes, eligibility rules, product conventions, and facts not requested by this focused calculator can all create differences.

Which inputs deserve a second scenario?

Retest any input that is quoted rather than fixed, depends on future behavior, or materially changes the result. Conservative and optimistic cases reveal more than false precision.

What should I verify before making a decision?

Verify current statements, disclosures, official rules, taxes, fees, cancellation or prepayment terms, and the consequences of a less favorable outcome.

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Prepared by Loan Lyze Editorial and reviewed under the Loan Lyze editorial framework on November 8, 2026. Educational estimate only. See our methodology, editorial policy, and corrections policy.

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Important limitation