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CAR LOAN CALCULATOR

Car Loan Calculator — Estimate Auto Loan Payments & Interest

Free auto loan calculator for U.S. car buyers. Estimate monthly payments, total interest, sales tax, dealer fees, and loan-to-value before you visit the dealership — so you can compare offers with confidence.

1. Vehicle & Loan Details

Out-the-door price before taxes and fees.
Cash paid upfront toward the vehicle.
Equity from your current vehicle applied to the purchase.
Annual rate quoted by the lender.
Repayment period in months (60 = 5 years).

2. Additional Costs

3. Reference & Notes

CAR LOAN ANALYSIS

Auto Loan Payment Breakdown

Reference: CL-2026-001
Date:
Vehicle Price $35,000.00
Down Payment $7,000.00
Loan Amount $28,000.00
Monthly Payment $547.78
Total Payment $32,866.80
Total Interest $4,866.80

True Vehicle Cost Breakdown

Vehicle Price $35,000.00
Down Payment $7,000.00
Trade-In $5,000.00
Additional Costs $3,000.00
Loan Amount $28,000.00
Total Interest $4,866.80
Total Cost of Vehicle $42,866.80

Loan-to-Value Ratio

LTV = (Loan Amount ÷ Vehicle Price) × 100

($28,000.00 ÷ $35,000.00) × 100 = 80.00%

Notes

Car loan analysis for vehicle purchase

This calculation is for informational purposes. Actual auto loan terms may vary. Consult a financial advisor for personalized advice.
Prepared By
Date
GUIDE

How to Use This Car Loan Calculator

This free car loan calculator helps U.S. car buyers estimate monthly auto loan payments, total interest, and the true cost of vehicle financing. Use it before you visit a dealership or apply for financing to compare loan offers on equal terms. If you also want a breakdown that includes the loan's APR after fees, try our APR calculator.

1

Enter Vehicle Details

Input the vehicle price, down payment, and trade-in value to calculate the amount you need to finance.

2

Set Interest Rate and Term

Enter the annual interest rate from your lender and choose a repayment term in months.

3

Add Additional Costs

Include sales tax, registration fees, dealer fees, and any extended warranty for a complete cost picture.

4

Review Results & LTV

Review your monthly payment, total interest, total vehicle cost, and loan-to-value ratio.

5

Save or Export

Save the analysis as a draft, print the results, or download a PDF for your records.

CAR LOAN EDUCATION

What Does a Car Loan Calculator Calculate?

A car loan payment calculator combines the vehicle price, down payment, trade-in value, interest rate, and loan term into an estimated monthly payment. It also separates principal, interest, taxes, and fees so you can see more than just the advertised payment. For comparing offers on total financing cost, our auto APR calculator shows the fee-inclusive annual rate.

Key car loan calculations

  • Loan Amount: Vehicle price minus down payment and trade-in, plus any rolled-in taxes and fees.
  • Monthly Payment: The scheduled principal-and-interest payment for a fixed-rate amortizing auto loan.
  • Total Interest: Total scheduled payments minus the loan amount.
  • Total Cost of Vehicle: Vehicle price plus total interest plus all additional costs — the true amount paid for the vehicle over the loan.
  • Loan-to-Value (LTV): Loan amount divided by vehicle price. Lenders use LTV to assess risk and set rates.
  • Effective Cost Impact: Additional fees increase the amount financed and therefore the total interest paid.

Who should use this auto loan calculator?

  • First-Time Car Buyers: Understand the full monthly payment before committing to a loan.
  • Experienced Buyers: Compare financing offers from banks, credit unions, and dealer financing.
  • Trade-In Shoppers: Model how trade-in equity changes the amount financed and the monthly payment.
  • Budget Planners: Verify that a vehicle fits a target monthly payment and down payment.
  • Refinance Shoppers: Compare an existing loan against a potential refinance offer.
BEST PRACTICES

Tips for Smart Auto Financing

A lower advertised interest rate does not always mean a lower total cost. Compare offers using monthly payment, total interest, total vehicle cost, and loan-to-value.

Know Your Budget

Keep total auto expenses — payment, insurance, fuel, and maintenance — within 15–20% of your monthly take-home pay.

Save a Larger Down Payment

A 20% down payment reduces the loan amount, lowers the monthly payment, and helps you avoid negative equity.

Compare Multiple Rates

Get quotes from banks, credit unions, and online lenders before visiting the dealer. Even 0.5% saves hundreds over a 60-month loan.

Get Pre-Approved

A pre-approval gives you a maximum loan amount and a firm rate before you negotiate on the vehicle price.

Consider Total Cost of Ownership

Insurance, fuel, and maintenance vary widely by model. A cheaper vehicle can cost more per month to own.

Watch the Loan Term

Longer terms lower the monthly payment but increase total interest and the risk of negative equity. Prefer the shortest term you can afford.

METHODOLOGY

Car Loan Calculator Methodology

MoneyTool uses standard amortization mathematics for the core payment calculation. The calculator is designed to be transparent about what it does and does not estimate.

1. Loan amount

Loan Amount = Vehicle Price − Down Payment − Trade-In Value + Additional Costs

Additional costs include sales tax, registration and title fees, dealer fees, and any extended warranty entered by the user.

2. Fixed-rate monthly payment

For a loan with principal P, monthly rate r, and n monthly payments:

M = P × r × (1 + r)n ÷ ((1 + r)n − 1)

When the interest rate is zero, the payment is P ÷ n. The calculator assumes monthly payments and a fully amortizing fixed-rate schedule.

3. Interest and total repayment

Total scheduled repayment equals the monthly payment multiplied by the number of months. Estimated interest equals total scheduled repayment minus the loan amount.

4. Total cost of vehicle

Total Cost of Vehicle = Vehicle Price + Total Interest + Additional Costs

This represents the true amount paid for the vehicle over the life of the loan, including financing costs and taxes. Down payment and trade-in are applied as equity, not subtracted again from the total.

5. Loan-to-value (LTV)

LTV = (Loan Amount ÷ Vehicle Price) × 100

Lower LTV reduces lender risk and can improve the rate offered. Many lenders prefer LTV at or below 80% for new vehicles.

Important assumptions

  • Payments are monthly and remain level for a fixed-rate amortizing auto loan.
  • Sales tax, registration, dealer fees, and extended warranty are treated as rolled into the loan.
  • Insurance, fuel, maintenance, and other ownership costs are not modeled.
  • Variable-rate loans, balloon payments, and lease structures are not modeled.
  • The calculator does not determine loan approval, eligibility, or creditworthiness.
E-E-A-T & SOURCES

Car Loan Information, Sources & Editorial Review

MoneyTool separates calculation results from financial education and lender-specific requirements. The calculator uses documented mathematical formulas for the payment estimate, while external lending information should be verified with authoritative sources and the lender offering the loan.

Author and editorial responsibility

Methodology reviewed by the MoneyTool Finance Expert Team, a group of accountants, CPAs, and personal-finance analysts who maintain MoneyTool's calculator library and financial education content.

Last reviewed: | Fixed-rate monthly amortization

Next review: When calculation logic, supported inputs, or relevant guidance changes.

This calculator and its educational content are maintained as part of MoneyTool's finance calculator resource library. Methodology is reviewed when the calculation logic or relevant educational guidance changes.

Authoritative U.S. auto lending resources

  • Consumer Financial Protection Bureau (CFPB): CFPB Auto Loan Resources covers shopping for an auto loan, understanding disclosures, and avoiding common pitfalls.
  • CFPB — Auto Loan Shopping Sheet: CFPB Auto Loan Shopping Sheet helps you compare offers from multiple lenders on equal terms.
  • Federal Reserve: Federal Reserve Consumer Credit data provides current auto loan rates and consumer credit statistics.
  • Federal Trade Commission (FTC): FTC: Buying a New Car provides consumer guidance on financing, add-ons, and dealer practices.
  • National Highway Traffic Safety Administration (NHTSA): NHTSA 5-Star Safety Ratings helps compare vehicle safety before financing a purchase.
  • U.S. Department of Energy — FuelEconomy.gov: FuelEconomy.gov provides fuel cost and ownership comparisons for vehicles under consideration.

External resources are provided for education and verification. MoneyTool is not affiliated with or endorsed by the CFPB, Federal Reserve, FTC, NHTSA, or U.S. Department of Energy.

RELATED CALCULATORS

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Complete your financing analysis with related MoneyTool calculators:

🔄 Loan Refinance Calculator

Evaluate savings from refinancing your auto loan.

📊 EMI Calculator

Calculate monthly installments for any amortizing loan.

🏠 Home Loan Calculator

Estimate mortgage payments including taxes and insurance.

👤 Personal Loan Calculator

Compute total loan cost including fees and APR.

💼 Business Loan Calculator

Estimate small business loan payments and total cost.

📊 Debt-to-Income Ratio Calculator

Calculate DTI to assess loan eligibility.
FAQ

Frequently Asked Questions About Car Loans

What is a car loan calculator?

A car loan calculator estimates the monthly payment, total interest, and total cost of financing a vehicle using the vehicle price, down payment, trade-in value, interest rate, loan term, and any applicable taxes or fees.

What is a good interest rate for a car loan?

Average US auto loan rates vary by credit score and term. With excellent credit (750+), new-car rates are often 4–6%. With good credit (700–749), rates are typically 6–8%. Rates on used cars and longer terms tend to be higher.

What is loan-to-value (LTV) on a car loan?

Loan-to-value is the ratio of the loan amount to the vehicle's value. A lower LTV (80% or less) is generally preferred by lenders and may qualify for better rates.

Should I choose a shorter or longer car loan term?

Shorter terms mean higher monthly payments but less total interest. Longer terms lower the monthly payment but increase the total interest and the risk of negative equity. Choose the term that keeps the payment affordable while minimizing total cost.

Are sales tax and dealer fees included in the car loan?

In the United States, sales tax, registration, title, and dealer documentation fees can typically be rolled into the financed amount. This calculator includes them in the loan if you enter them in the additional costs section.

Is this car loan calculator free?

Yes. MoneyTool provides this car loan calculator free for educational and planning use.

Can I save my car loan calculation?

Yes. Save Draft stores the calculator inputs in your browser. Print Results and Download PDF can be used to keep a copy of the displayed analysis.

LEGAL

Car Loan Calculator Disclaimer

This car loan calculator provides estimates for informational and educational purposes. It does not constitute financial, legal, tax, accounting, lending, or investment advice. Actual loan terms, rates, fees, repayment schedules, eligibility requirements, and disclosures vary by lender, product, jurisdiction, and borrower.

  • Estimates only: Results depend on the inputs and assumptions described in the methodology.
  • No approval decision: The calculator does not assess or guarantee loan eligibility or approval.
  • Not a regulatory disclosure: Official APR, finance charges, and total-of-payments are disclosed by the lender under the Truth in Lending Act.
  • Verify before signing: Review the lender's final agreement and disclosures before accepting financing.
Last methodology review: . Calculator logic and educational content should be reviewed again whenever the methodology, supported inputs, or relevant external guidance changes.