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Auto Loan Calculator

Calculate your monthly car loan payments, total interest, and see how different factors affect your auto loan.

Loan Information

$30,000
$5,000
5.5%
7.5%

Loan Results

Monthly Payment: $492.51
Total Loan Amount: $25,000.00
Total Interest: $4,550.60
Total Cost of Vehicle: $34,550.60
Payoff Date: May 2029
Interest to Principal Ratio: 0.18:1

About Auto Loan Calculations

An auto loan calculator helps you understand the true cost of financing a vehicle. It takes into account the vehicle price, down payment, loan term, interest rate, and sales tax to calculate your monthly payments and total loan cost.

Example Calculation:

For a $30,000 car with a $5,000 down payment, 5.5% interest rate, and 60-month term:

Your monthly payment would be $492.51

You would pay $4,550.60 in interest over the life of the loan

The total cost of the vehicle would be $34,550.60 including taxes and interest

Several factors affect your auto loan payments:

  1. Vehicle Price: The total cost of the vehicle before any deductions
  2. Down Payment: The initial amount paid upfront, which reduces the loan amount
  3. Loan Term: The length of the loan (typically 36-72 months)
  4. Interest Rate: The annual percentage rate (APR) charged by the lender
  5. Sales Tax: The percentage of tax applied to the purchase price
  6. Trade-in Value: The value of your current vehicle applied toward the purchase

How to Save on Your Auto Loan

• Make a larger down payment to reduce the loan amount

• Choose a shorter loan term to pay less interest

• Shop around for the best interest rates

• Consider the total cost, not just the monthly payment

• Improve your credit score before applying for a loan

Understanding these factors can help you make informed decisions about your car purchase and potentially save thousands of dollars over the life of the loan.

Auto Loan Formula

The monthly auto loan payment is calculated using:

M = P [ r(1+r)^n ] / [ (1+r)^n - 1 ]

Where:

M = Monthly payment

P = Principal loan amount (vehicle price - down payment - trade-in + tax)

r = Monthly interest rate (annual rate ÷ 12)

n = Total number of payments (loan term in months)

Loan Term Comparison

Shorter loan terms typically have:

• Higher monthly payments

• Lower total interest paid

• Faster equity building

Longer loan terms typically have:

• Lower monthly payments

• Higher total interest paid

• Slower equity building

Average Auto Loan Rates

• Excellent credit (720+): 4.5% - 5.5%

• Good credit (680-719): 5.5% - 6.5%

• Fair credit (620-679): 7.0% - 9.0%

• Poor credit (below 620): 10.0%+