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Car Loan Calculator

How to use this calculator

Estimate your monthly car payment and see the total cost of your loan. Enter the vehicle's price and your loan details. Including a down payment, trade-in, and fees will provide the most accurate result.

Taxes & Fees (Optional)

Introduction to Car Loan Calculator

Plan your project with precision using our 2026 standardized calculator.

How to Use the Car Loan Calculator

  1. Enter Vehicle Price: Input the total negotiated price of the car, including taxes and fees.
  2. Enter Down Payment: Include your cash upfront and the estimated value of any trade-in.
  3. Set Interest Rate: Enter the APR (Annual Percentage Rate) offered by your bank or dealership.
  4. Select Loan Term: Choose the duration of the loan in months (typically 36 to 72 months).
  5. Calculate Results: Press calculate to see your monthly payment and total cost of the loan.

Understanding Car Loan

A car loan is an amortizing loan where each payment goes toward both interest and principal. In the early months, a larger portion of your payment covers the interest. Unlike a home, a car is a depreciating asset, meaning its value drops over time. This makes it particularly important to avoid "long-term" loans (e.g., 84 months) where you might end up owing more than the car is worth—a situation known as being "upside down" or having "negative equity." To avoid this, financial experts often recommend the 20/4/10 Rule: put 20% down, limit the loan to 4 years, and ensure total car expenses (including insurance) are under 10% of your gross income.

Your APR (Annual Percentage Rate) is heavily influenced by your credit score. Borrowers with excellent credit can often qualify for promotional 0% or 0.9% financing from manufacturers, while those with lower scores may face rates of 10% or higher, significantly increasing the total cost of the vehicle. It is vital to distinguish between the "interest rate" and the "APR"; the APR include the interest rate plus any loan fees, providing a more accurate picture of your actual cost. Our calculator allows you to compare different APR scenarios so you can see how much a small difference in your credit score can save you over the life of the loan.

Finally, consider the Total Cost of Ownership (TCO). The loan payment is only part of the story. Fuel, maintenance, registration fees, and insurance can easily add another $200-$400 to your monthly car budget. Modern EVs may have higher initial loan payments but offer lower TCO due to reduced fuel and maintenance costs. By using our tool to find your monthly payment and then adding these secondary costs, you can ensure that your new car fits comfortably into your overall financial life. Never buy a car based solely on the monthly payment; always look at the total amount you will pay over the entire term.

Formula & Calculation Method

The monthly payment is calculated using the same standard amortization formula as a mortgage, but applied over months instead of years.

M = P [ i(1 + i)^n ] / [ (1 + i)^n – 1 ]

Example Calculation:

For a $25,000 loan (P) at 5% interest (i = 0.00416 monthly) for 60 months (n), the monthly payment is $471.78.

Auto Loan Term Comparison ($30k at 6%)

TermMonthly PaymentTotal InterestTotal Paid
36 Months$913$2,855$32,855
48 Months$705$3,822$33,822
60 Months$580$4,800$34,800
72 Months$497$5,793$35,793

Tips for Accurate Results

  • 1Get pre-approved for a loan from your bank or credit union before visiting the dealership.
  • 2Always negotiate the "out-the-door" price of the car, not the monthly payment.
  • 3Aim for a loan term of 60 months or less to avoid paying excessive interest.
  • 4If your down payment is less than 20%, consider GAP insurance to protect yourself if the car is totaled.
  • 5Factor in the cost of insurance, fuel, and maintenance into your monthly car budget.
  • 6Check if there are any prepayment penalties if you plan to pay off the loan early.
  • 7Look for "Manufacturer Incentives" which can include cash back or ultra-low interest rates for qualified buyers.
  • 8Consider the resale value of the car; some brands depreciate much faster than others.
  • 9Avoid "Add-ons" like window tinting or fabric protection from the dealer; these are often overpriced and can be done cheaper elsewhere.
  • 10If buying used, always get a "Vehicle History Report" (like Carfax) and a professional pre-purchase inspection.

Key Facts About Car Loan

  • Cars are depreciating assets, meaning they lose value over time.
  • Total cost of ownership includes insurance, fuel, and maintenance, not just the loan payment.
  • Gap insurance may be needed if you owe more than the car is worth.
  • Credit unions often offer more competitive auto loan rates than dealerships.
  • A new car loses approximately 20% of its value in the first year of ownership.
  • The average car loan term in the US has increased to nearly 70 months.
  • Electric Vehicles (EVs) typically have higher purchase prices but 40-60% lower maintenance costs.
  • Federal tax credits up to $7,500 are available for many new electric and plug-in hybrid vehicles.
  • Dealer "Document Fees" are often negotiable and can vary significantly by state.
  • The average cost of car insurance in the US is over $1,500 per year.

Frequently Asked Questions

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