Auto Loan Calculator – Free Online Car Payment Calculator

🚗 Auto Loan Calculator

Calculate your monthly car payment and total loan cost

💡 The auto loan calculator helps you estimate monthly payments by analyzing the car price, down payment, interest rate, and loan term. Understanding these factors helps you make informed financing decisions.

📝 Input Parameters

Car Price ($)

Total vehicle price

Down Payment ($)

Cash paid upfront

Trade-In Value ($)

Your current vehicle value

Interest Rate (% APR)

Annual percentage rate

Loan Term

Length of the loan

Sales Tax (%)

State/local tax rate

Loan Results

Applied auto loan calculation

Monthly Payment

Total Loan Amount

Total Interest

Total Cost

📊 Loan Summary

Item	Amount

💡 The auto loan calculator helps you estimate monthly payments, total interest, and the true cost of financing a new or used vehicle. Whether you’re buying from a dealership, private seller, or using bank financing, this calculator shows exactly what you’ll pay over time—before you commit to a loan.Our tool also functions as an auto loan calculator with extra payments, an auto loan early payoff calculator, and an auto loan calculator with interest, making it one of the most complete solutions available.

How Auto Loans Work — What You're Actually Paying For

An Auto Loan Calculator When you get a car loan you are basically borrowing money to buy a car. The car itself is like a guarantee that you will pay back the loan. You pay back the loan. Some extra money called interest over a certain number of months. Usually between 24 and 84 months. This formula makes you pay interest at the beginning and more of the actual loan amount later on.

If you are buying a brand car, a used car or just trying to get a better deal on a car loan you already have a car loan calculator can really help you. It gives you an idea of how much you will have to pay each month so you can plan your money and compare different options.

Auto Loan Rate by Credit Score (2026)

Credit Score: 781–850 (Super Prime)

New Car Rate

5.08%

Used Car Rate

6.82%

Monthly Payment*

$378

Auto Loan Calculator With Extra Payments

If you’re planning to pay extra each month, the auto loan calculator with extra payments shows

How much faster you can pay off the loan

How much interest you save

New payoff date

🚗 How the Auto Loan Calculator Works

The calculator uses several key inputs to determine your monthly payment:

1. Car Price

This is the cost of the car before you make any down payment or trade, in another vehicle. For cars this is usually the MSRP (Manufacturers Suggested Retail Price) or the price you agree on with the seller. For used cars, use the seller's asking price.

2. Down Payment

The amount of cash you pay upfront. Financial experts recommend:

20% for new cars to avoid negative equity
10% for used cars as a minimum
Larger down payments reduce monthly payments and total interest paid

3. Trade-In Value

If you have a vehicle to trade in, its value reduces the amount you need to finance. Make sure you know your car's fair market value before negotiations.

4. Interest Rate (APR)

The annual percentage rate determines how much you'll pay in interest. Factors that affect your rate include:

Credit score (higher scores get better rates)
Loan term length
New vs. used vehicle
Current market rates

Auto Loan Formula

The calculator uses this formula to determine monthly payments:

Monthly Payment = [P × r × (1 + r)^n] / [(1 + r)^n - 1]

Where:

P = Principal loan amount
r = Monthly interest rate (annual rate / 12)
n = Number of monthly payments

💡 Tips for Getting the Best Auto Loan

🏦 Get Pre-Approved

Shop for loans from banks, credit unions, and online lenders before visiting dealerships. Pre-approval gives you negotiating power and better rates.

📈 Improve Your Credit Score

A higher credit score can save you thousands in interest. Pay down debts and check your credit report before applying.

💰 Make a Larger Down Payment

Putting 20% down prevents negative equity and reduces monthly payments significantly.

⏱️ Choose Shorter Loan Terms

While 72 and 84-month loans seem attractive with lower payments, you'll pay much more in interest and risk owing more than the car is worth.

🔍 Compare Total Cost

A low monthly payment stretched over many years can cost you thousands more in total interest.

Understanding Loan Terms

Common loan terms and their implications:

36-48 months: Higher monthly payments, less total interest
60 months: Most common, balanced payments
72-84 months: Lower monthly payments, more total interest

Frequently Asked Questions

What is a good interest rate for a car loan?

FFor people with good credit like a score of 750 or higher a good interest rate for a new car is between 3 and 5 percent. For cars the rate is usually 2 or 3 percent higher. If you can get a rate that's lower than the average rate for people with your credit score that is a good deal.

How money should you pay upfront for a car?

Experts say you should pay 20 percent of the price of a car upfront and at least 10 percent for a used car. This helps you avoid owing money on the car than it is worth and it lowers your monthly payment and the total amount of interest you pay.

What is the best length of time to borrow money to buy a car?

For people borrowing money for 48 to 60 months is the best option. If you borrow money for a time like 36 months you will pay less interest overall but your monthly payments will be higher. If you borrow money for a time like 72 or 84 months your monthly payments will be lower but you might end up owing more money on the car than it is worth because cars lose value faster than you can pay off the loan.

Should you borrow money from the car dealer or from your bank?

You should always get approval from your bank or credit union before you go to the car dealer. This gives you a basis for comparison when the dealer offers you a loan. Sometimes the dealer will offer a low interest rate, like 0 percent but this is usually only available if you qualify and if you do not need to negotiate the price of the car.

Should I finance through a dealer or bank?

You should look at both options. Get approval from a bank or credit union first. Then see if the dealer can give you a better deal. Usually getting a loan directly from a bank or credit union gives you an interest rate.

What is the 20/4/10 rule for car buying?

This is a guideline that says you should pay 20 percent of the price of the car upfront borrow money for no than 4 years and make sure your total monthly car expenses, including the loan payment, insurance and gas are less than 10 percent of your monthly income, before taxes.