Car Loan Calculator
Estimate your monthly auto loan payment, total interest, taxes, and full amortization schedule in seconds. Enter your vehicle price, down payment, trade-in, APR, and term to get started.
Vehicle & Loan Details
Amortization Schedule
| Month | Beginning Balance | Payment | Principal | Interest | Ending Balance |
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How to Calculate Your Auto Loan Payment Accurately
Calculating your car loan payment accurately is the single most important step before signing any finance agreement at the dealership. A precise estimate helps you set a realistic budget, compare offers from banks and credit unions, and avoid stretching your monthly finances too thin. The standard amortization formula used by every major lender in the United States, United Kingdom, Canada, and Europe is:
M = P × [ i(1 + i)n ] ÷ [ (1 + i)n − 1 ]
Where M is the monthly payment, P is the loan principal (vehicle price minus down payment and trade-in, plus taxes and fees), i is the monthly interest rate (APR divided by 12), and n is the number of monthly payments (loan term in months). Our car loan calculator applies this exact formula in real time as you type, so the figure you see is mathematically identical to what your bank will quote you.
To use the calculator effectively, follow these steps. First, enter the vehicle price exactly as listed on the sales contract, including any dealer add-ons you plan to finance. Second, input your down payment in cash and the trade-in value of your current vehicle; both reduce the principal you must borrow. Third, set the APR you have been quoted, or use the credit score quick-select buttons to estimate a realistic rate. Fourth, pick your loan term between 12 and 84 months. Finally, enter your local sales tax rate and any title and registration fees. The calculator instantly returns your monthly payment, total interest, taxes, fees, and the overall cost of the loan.
Understanding APR, Credit Scores, and Loan Terms in North America and Europe
APR versus interest rate. The interest rate is the pure cost of borrowing the principal. The APR (Annual Percentage Rate) bundles the interest rate with origination fees, processing fees, and certain dealer charges, giving you the true yearly cost of credit. Always compare APRs across lenders, never just interest rates. In the US, the Truth in Lending Act requires APR disclosure; in the EU, the Consumer Credit Directive requires the equivalent "effective annual rate"; in the UK, the FCA mandates a representative APR.
Credit score tiers and typical rates. Your credit score is the largest single factor in the APR you receive. In the United States, FICO Auto Scores above 740 typically unlock prime rates between 3% and 5% on new vehicles and 4% to 6% on used vehicles. Good credit (670-739) lands between 6% and 9%, fair credit (580-669) between 10% and 15%, and subprime borrowers below 580 can face APRs of 16% or more. In the UK, the three main agencies (Experian, Equifax, TransUnion) score on different scales; an Experian score of 881-960 is excellent and typically qualifies for 6.9%-11.9% APR. In Canada, Equifax and TransUnion scores above 760 are excellent, with prime rates from 4.99% to 9.99%. Across the EU, prime borrowers usually access 3.5% to 7% APR, while national credit registers such as Schufa in Germany, the Banque de France file in France, and ASNEF in Spain play the dominant role.
Choosing the right loan term. Longer terms lower your monthly payment but dramatically increase total interest. On a $30,000 loan at 6.5% APR, a 48-month term costs about $3,940 in interest; the same loan stretched to 84 months costs roughly $6,560 in interest, an extra $2,620 over the life of the loan. Financial advisors generally recommend keeping new car loans at 60 months or less and used car loans at 36 months or less. Terms longer than 72 months also raise the risk of negative equity, where you owe more than the vehicle is worth, making it harder to sell or trade in early. Use the amortization table above to compare total cost across 48, 60, 72, and 84 month terms side by side.
- Excellent credit (740+): target 36-60 months for the lowest lifetime cost.
- Good credit (670-739): 48-60 months balances payment and total interest.
- Fair credit (580-669): consider 60 months and refinance after 12-24 on-time payments.
- Poor credit (<580): keep term short and rebuild credit before refinancing.
Frequently Asked Questions (FAQ)
What is a good APR for a car loan?
A good APR depends on credit, vehicle age, and region. For excellent credit in the US, 3%-5% on new cars and 4%-6% on used cars is good. UK borrowers should target 6.9%-11.9%, Canadians 4.99%-9.99%, and EU borrowers 3.5%-7%. Anything below the national average published by the Federal Reserve, Bank of England, Bank of Canada, or European Central Bank for the same month is considered competitive.
How much down payment should I put on a car?
Aim for at least 20% down on a new car and 10% on a used car. A larger down payment shrinks the principal, lowers monthly payments, reduces total interest, and protects against negative equity. Combine cash with trade-in value to reach the threshold. Putting little or nothing down is one of the most common reasons borrowers end up upside down on their loan within the first two years.
Is a 72-month or 84-month car loan a good idea?
Longer terms make the monthly payment look attractive but multiply your total interest and increase negative-equity risk. Use the amortization schedule above to compare 48, 60, 72, and 84 month terms for the same loan. Most advisors recommend 60 months or less for new cars and 36 months or less for used cars. Only take a 72-84 month loan if you plan to refinance or pay it off early.
Can I pay off my car loan early?
Yes, in most cases. US federal credit unions cannot charge prepayment penalties. Commercial banks and captive finance companies may, so read the contract. In the UK and EU, the Consumer Credit Act and the EU Consumer Credit Directive both allow early repayment, though a small compensation fee may apply. Paying early saves interest because interest accrues only on the outstanding principal.
How does my credit score affect my car loan APR?
Your score is the dominant factor. In the US, moving from a 620 FICO to a 720 can drop your APR from around 11% to around 6%, saving thousands over a 60-month loan. Check your score at all three bureaus before applying, dispute any errors, pay down credit card balances below 30% utilization, and avoid new credit applications for 60-90 days before financing a car.
What is the difference between APR and interest rate?
The interest rate is the pure cost of borrowing the principal. APR includes the interest rate plus fees (origination, processing, dealer doc fees). APR is the more accurate figure for comparing loans and is the number regulators require lenders to disclose. A 5% interest rate with $1,500 in fees can carry a 7%+ APR.
Should I get my car loan from a dealer or a bank?
Get pre-approved by a bank, credit union, or online lender first so you have a rate benchmark and negotiating power. Dealers can sometimes beat that rate through manufacturer incentives (especially 0% APR offers), but they may also mark up the rate to earn a commission. Credit unions typically offer the lowest rates. In the EU, compare your local bank against manufacturer captive lenders like Volkswagen Financial Services.
How is sales tax calculated on a car purchase?
In most US states, sales tax is charged on (vehicle price − trade-in value), rewarding trade-ins. A few states (Oregon, Delaware, Montana, New Hampshire) charge no sales tax. In the UK, no VAT applies to private used-car sales, and dealers pay VAT only on their profit margin. In Canada, GST, PST, or HST applies depending on the province. In the EU, VAT is usually already included in the displayed vehicle price.