Auto Loan Calculator

Introduction

An auto loan calculator helps you figure out how much you will pay each month for a car loan. When you borrow money to buy a car, you agree to pay it back over time with interest. This tool lets you enter the car price, your down payment, the interest rate, and the loan term to see your monthly payment. It also shows you the total amount you will pay over the life of the loan, including how much of that goes toward interest. Use this calculator before you visit a dealership so you know what you can afford and avoid surprises.

How to Use Our Auto Loan Calculator

Enter your loan details below to find out your monthly car payment, total interest paid, and the full cost of your auto loan.

Vehicle Price: Type in the total price of the car you want to buy. This is the sticker price or the amount you agreed on with the dealer before any down payment.

Down Payment: Enter the amount of money you plan to pay upfront. A bigger down payment means you borrow less and pay less interest over time.

Loan Term: Choose how many months you want to take to pay off the loan. Common auto loan terms are 36, 48, 60, or 72 months. A shorter term means higher monthly payments but less interest paid overall.

Interest Rate: Enter the annual interest rate your lender is offering you. This is shown as a percentage. Your rate depends on your credit score, the lender, and the length of your loan.

Trade-In Value: If you are trading in an old car, enter its value here. This amount is subtracted from the vehicle price, which lowers the amount you need to borrow.

Sales Tax: Enter your local sales tax rate as a percentage. Sales tax is added to the price of the car and can affect your total loan amount.

What Is an Auto Loan?

An auto loan is money you borrow from a bank, credit union, or other lender to buy a car. You pay the money back over time in monthly payments, plus interest. Interest is the extra cost the lender charges you for borrowing their money.

How Auto Loans Work

When you take out an auto loan, there are a few key parts to understand:

• Loan Amount (Principal): This is the total amount of money you borrow. It is usually the price of the car minus your down payment.
• Down Payment: This is the cash you pay upfront when buying the car. A bigger down payment means you borrow less money and pay less interest overall.
• Interest Rate: This is the percentage the lender charges you each year for borrowing the money. A lower rate saves you money. Your credit score plays a big role in the rate you get.
• Loan Term: This is how long you have to pay back the loan, usually measured in months. Common terms are 36, 48, 60, or 72 months. A shorter term means higher monthly payments but less interest paid overall. A longer term means lower monthly payments but more interest paid in the end.

Tips for Getting a Good Auto Loan

Before you visit a dealership, shop around for loan offers from different lenders. Compare interest rates and terms. A good credit score — generally 670 or above — will help you qualify for lower rates. Try to make the largest down payment you can afford, as this reduces both your monthly payment and the total interest you pay. Many experts suggest putting down at least 20% of the car's price.

Be careful with very long loan terms. While a 72- or 84-month loan might seem attractive because of the low monthly payment, you will pay much more in interest over the life of the loan. You could also end up "upside down," which means you owe more on the car than it is worth. To understand how changes in your costs or payments compare over time, a percent change calculator can help you quantify those differences.

Why Use an Auto Loan Calculator?

An auto loan calculator helps you plan your budget before you commit to a purchase. By entering the loan amount, interest rate, and loan term, you can see exactly what your monthly payment will be and how much interest you will pay in total. This makes it easier to compare different loan options and pick the one that fits your financial situation best. Once you have your car payment figured out, you can also explore other financial goals — for instance, use our Coast FIRE calculator to see how your savings trajectory looks alongside your loan obligations, or check out our dividend calculator to see how investing your extra cash could grow over time. Understanding your customer lifetime value or customer acquisition cost can also be useful if you are a business owner factoring vehicle expenses into your operations.

Frequently Asked Questions

How is my monthly car payment calculated?

Your monthly payment is calculated using the loan amount, interest rate, and loan term. The formula divides your total financed amount into equal monthly payments that include both principal and interest. A higher loan amount or interest rate means a higher payment, while a longer term lowers the payment but increases total interest paid.

What is the difference between the Calculate Monthly Payment and Calculate Affordable Price modes?

The Calculate Monthly Payment mode lets you enter a loan amount and see what your monthly payment will be. The Calculate Affordable Price mode works in reverse — you enter the monthly payment you can afford, and the calculator tells you the maximum vehicle price you can buy within that budget.

What does rolling tax and fees into the loan mean?

Rolling tax and fees into the loan means adding your sales tax and registration fees to the amount you borrow instead of paying them upfront in cash. This makes your loan amount bigger, which increases your monthly payment and the total interest you pay over time.

Should I choose a shorter or longer loan term?

A shorter loan term (like 36 or 48 months) means higher monthly payments but you pay much less interest overall. A longer term (like 72 or 84 months) gives you lower monthly payments but costs more in total interest. Choose the shortest term you can comfortably afford.

Why are interest rates different for new and used cars?

Used cars typically have higher interest rates because they are considered riskier for lenders. A used car loses value faster, so if you stop making payments, the lender may not recover their money. New cars average around 6.4% APR, while used cars average around 9.5% APR.

What is the Build Your Loan Amount section for?

The Build Your Loan Amount section lets you break down your total loan amount from individual parts: vehicle price, down payment, trade-in value, amount owed on a trade-in, and rebates. When you click Update Total Loan Amount, it calculates the net loan amount for you automatically.

How does a trade-in affect my auto loan?

Your trade-in value is subtracted from the vehicle price, which lowers the amount you need to borrow. However, if you still owe money on the trade-in, that amount is added back to your loan. For example, a $5,000 trade-in with $2,000 still owed only reduces your loan by $3,000.

What does Tax Applied To mean?

This setting controls how sales tax is calculated. Full Vehicle Price means tax is applied to the entire price of the car. Price After Trade-in means tax is only applied to the price minus your trade-in value. Some states let you subtract your trade-in before calculating tax, which saves you money.

What is an amortization schedule?

An amortization schedule is a table that shows every monthly payment broken down into how much goes toward principal (the actual loan balance) and how much goes toward interest. Early payments have more interest, and later payments have more principal. It also shows your remaining balance after each payment.

How does my credit score affect my auto loan rate?

Your credit score has a big impact on the interest rate you receive. People with higher scores (generally 700 and above) get lower rates, which means lower monthly payments and less total interest. People with lower scores may pay several percentage points more, which adds up to thousands of dollars over the life of the loan.

What are cash rebates and incentives?

Cash rebates and incentives are discounts offered by car manufacturers or dealers that reduce the price of the vehicle. They are subtracted from the vehicle price before calculating your loan amount. Examples include holiday sales events, loyalty discounts, or special manufacturer offers.

What fees should I include in title, registration, and other fees?

This field covers costs like title transfer fees, vehicle registration, dealer documentation fees, and any other charges that are not part of the car price or sales tax. These fees vary by state and dealer but typically range from $200 to $1,000 or more.

Can I use this calculator for a refinance?

Yes. To calculate a refinance, enter your current remaining loan balance as the total loan amount, put in the new interest rate, and choose your new loan term. Set the down payment, trade-in, and fees to zero. The calculator will show your new monthly payment and total interest.

What does the Balance Over Time chart show?

The Balance Over Time chart shows two stacked areas: the total principal you have paid off and the total interest you have paid, month by month. It gives you a visual picture of how your payments are split between paying down the loan and paying interest costs over the entire loan term.

Is 0% APR really free?

A 0% APR loan means you pay no interest, so your monthly payment is simply the loan amount divided by the number of months. However, 0% offers often require excellent credit and may mean you give up cash rebates or other incentives. Always compare the total cost of a 0% deal versus a lower price with a regular interest rate.