Finance category
Mortgage, loan, investing, tax, and money calculators.
Auto Loan Calculator
Estimate your monthly car payment, compare loan terms, and see how APR, sales tax, trade-in value, and your down payment change the total cost of financing a vehicle.
Monthly Payment
$554
Loan Amount
$28,750
Total Interest
$4,519
Total Cost of Loan
$33,269
Loan Summary
Vehicle Price
$35,000
Sales Tax Amount
$2,250
Down Payment + Trade-In
$8,500
Selected Term
60 months
Compare Loan Terms
| Term | Monthly Payment | Total Interest |
|---|---|---|
| 24 months | $1,273 | $1,800 |
| 36 months | $873 | $2,690 |
| 48 months | $674 | $3,596 |
| 60 months | $554 | $4,519 |
| 72 months | $475 | $5,458 |
| 84 months | $419 | $6,414 |
EveryCalc calculators are designed for fast, practical estimates with transparent inputs and no required account. We use plain formulas, visible assumptions, and related tools so visitors can check the result from more than one angle.
Results are informational only. For financial, tax, legal, medical, construction, or other high-impact decisions, verify the output against primary sources or a qualified professional.
Learn more about our review process on the EveryCalc methodology page.
Calculation notes and example
Auto loan formula used here
An auto loan payment starts with the amount financed: vehicle price plus taxes and fees, minus down payment and trade-in credit. The fixed-payment loan formula then converts that financed amount, APR, and term into a monthly payment. Interest is front-loaded through amortization, so longer terms usually lower the payment while increasing the total amount paid for the car.
Worked example
A $38,000 car with $3,000 down, $2,000 trade-in equity, and $2,800 of taxes and fees creates about $35,800 financed. At 7.5% for 72 months, the payment is roughly $620. Moving to 60 months raises the payment but reduces interest and helps avoid being underwater longer. Run the loan calculator for a generic debt view, then use this page for vehicle-specific taxes, trade-ins, and down payment assumptions.
Edge cases and practical tips
- Negative equity from an old car increases the new loan balance and can hide the real vehicle cost.
- Dealer add-ons may be taxable and financeable, which means you pay interest on them too.
- A very long term on a fast-depreciating car increases the risk of owing more than the car is worth.
Useful companion tools: Loan Calculator, APR Calculator, Debt Payoff Calculator, and Paycheck Calculator.
How to interpret the auto loan result
Best use
Use the result as a planning number for comparing payments, rates, returns, tax reserves, or cash-flow choices before you request a quote or make a commitment.
Cross-check
Compare the answer with the contract, lender estimate, tax form, brokerage statement, payroll record, or invoice that will control the real-world outcome.
Watch for
Do not rely on a single optimistic rate, return, or fee assumption. Money pages work best when you run low, base, and high cases and keep professional advice separate from the estimate.
This page belongs to the Finance calculator library, so the answer should be read in the context of the decision you are modeling rather than as a universal rule.
Before relying on this auto loan estimate
Most calculator mistakes come from the inputs, not the arithmetic. Use this short audit before you reuse the answer in a spreadsheet, quote, application, or important conversation.
Confirm source numbers
Match balances, rates, fees, taxes, income, and payment dates against the lender quote, payroll record, tax form, statement, invoice, or contract.
Separate cash flow from total cost
A lower monthly payment can still cost more over time if fees, interest, taxes, or a longer term are hidden in the structure.
Run conservative cases
Test at least one higher-cost or lower-return case before using the output for a purchase, refinance, investment, loan, or tax decision.
Rerun this page when the rate, price, term, fee, tax rule, income, expense, or expected holding period changes.
How to Use
- Enter the vehicle price, trade-in value, and your planned down payment in dollars or percent.
- Set the local sales tax rate and the APR you expect to qualify for, or use one of the new or used vehicle rate suggestions.
- Choose a loan term from 24 to 84 months to update the payment instantly.
- Review the monthly payment, total interest, total cost, and side-by-side term comparison before shopping or visiting the dealership.
Frequently Asked Questions
How is an auto loan payment calculated?
Auto loan payments use the standard amortization formula based on the amount financed, annual percentage rate, and number of monthly payments. The calculator first adds sales tax, then subtracts your down payment and trade-in value to estimate how much you will actually finance.
What does APR mean on a car loan?
APR stands for annual percentage rate. It reflects the yearly borrowing cost of the loan, including interest and certain lender fees when applicable. A lower APR usually means a lower monthly payment and less total interest over the life of the loan.
Is a longer loan term better for a car loan?
A longer term lowers the monthly payment, but it usually increases the total interest you pay and can leave you upside down on the vehicle for longer. Shorter terms cost more each month but reduce interest and help you build equity faster.
Should I use my trade-in as a down payment?
Using a trade-in reduces the amount you need to finance, which can lower both your payment and total interest. In some states it can also reduce the taxable purchase amount. Still, compare the trade-in offer with private sale value to make sure you are getting a fair deal.
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