What is a good interest rate for a car loan?

Auto loan interest rates vary based on your credit score, the loan term, and whether the car is new or used. As of 2024, borrowers with excellent credit (750+) can expect rates between 4% and 6% for new cars and 5% to 8% for used cars. Those with average credit (600-749) may see rates from 7% to 12%. Shopping around with banks, credit unions, and the dealer can help you find the best rate.

How long should my auto loan term be?

Financial experts generally recommend auto loan terms of 48 to 60 months. Shorter terms (24-36 months) mean higher monthly payments but significantly less total interest. Longer terms (72-84 months) lower monthly payments but increase the total interest and the risk of being "upside down" on the loan, meaning you owe more than the car is worth. A good rule of thumb is to choose the shortest term you can comfortably afford.

How does a down payment affect my auto loan?

A larger down payment reduces the amount you need to finance, which lowers both your monthly payment and the total interest you pay over the life of the loan. Most experts recommend putting at least 20% down on a new car and 10% on a used car. A substantial down payment also reduces the risk of negative equity, where you owe more on the loan than the car is worth.

Should I trade in my old car or sell it privately?

Trading in your car at the dealership is more convenient but typically gets you a lower price than selling privately. Private sales often bring 10% to 20% more money. However, in some states, trading in your car reduces the sales tax on the new vehicle because you only pay tax on the price difference. Consider both the financial benefit and the convenience factor when deciding which option works best for you.

What is the total cost of owning a car beyond the loan?

The loan payment is only part of the total cost of car ownership. You should also budget for auto insurance (which can vary significantly based on the car model and your profile), fuel, routine maintenance (oil changes, tires, brakes), registration and taxes, and depreciation. The average total cost of owning a new car is estimated to be between $700 and $1,000 per month when all expenses are included.

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Auto Loan Calculator

Calculate your monthly car payment, total interest, and overall cost of an auto loan based on vehicle price, down payment, trade-in value, interest rate, and loan term.

How to Use This Auto Loan

Enter the vehicle price, your down payment amount, and any trade-in value for your current car. Then input the annual interest rate offered by your lender and select a loan term from 24 to 84 months.

The calculator will instantly display your monthly payment, total interest cost, total loan cost, and the financed loan amount. Adjust the inputs to compare different scenarios, such as increasing your down payment or choosing a shorter term to reduce total interest.

What Is Auto Loan?

An auto loan calculator is a financial tool that estimates your monthly car payment and total loan cost based on the vehicle price, down payment, trade-in value, interest rate, and loan duration. It uses the standard amortization formula used by banks and lenders to determine fixed monthly payments.

Whether you are buying a new or used car, understanding your monthly payment and total cost helps you set a realistic budget, negotiate with dealers, and compare financing offers. This calculator covers fixed-rate auto loans, the most common type of car financing.

Formula & Methodology

The auto loan payment formula is the same standard amortization formula used for mortgages:

M = P × [r(1 + r)ⁿ] / [(1 + r)ⁿ − 1]

M = Monthly payment
P = Loan amount (vehicle price − down payment − trade-in value)
r = Monthly interest rate (annual rate ÷ 12 ÷ 100)
n = Total number of monthly payments (loan term in months)

Total Interest = (Monthly Payment × Number of Payments) − Loan Amount

Practical Examples

Example: A vehicle priced at $35,000 with a $5,000 down payment, no trade-in, a 6.5% interest rate, and a 60-month term results in a loan amount of $30,000. The monthly payment would be approximately $587. Over the 5-year term, you would pay about $5,222 in interest, for a total loan cost of roughly $35,222.

Frequently Asked Questions

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