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  1. Home
  2. Financial Tools
  3. Auto Loan Calculator

Auto Loan Calculator

Calculate your car loan payments, total interest, and compare financing options. Includes trade-in value, down payment, sales tax, and fees.

Formula:PMT = P × r(1+r)^n / ((1+r)^n - 1)

Auto Loan Summary

Monthly Payment

$558

Total Interest

$4,958

Loan Amount$28,500
Total of Payments$33,458
Total Cost$42,996
Due at Signing$9,538
Payoff DateMarch 2031

Vehicle Details

Enter your vehicle price and down payment

$
$

Loan Terms

Set your interest rate and loan duration

%
0%20%

Taxes & Fees

Sales tax and dealer fees

Sales Tax (7.25%)$2,538

Cost Breakdown

Principal
$28,500
Interest
$4,958
Down Payment
$7,000
Sales Tax
$2,538
Total Cost$42,996

Loan Balance Over Time

Term Comparison

TermMonthlyTotal InterestTotal Cost
36 months (3 years)$873$2,946$40,983
48 months (4 years)$676$3,942$41,980
60 months (5 years)$558$4,958$42,996
72 months (6 years)$479$5,994$44,031
84 months (7 years)$423$7,050$45,087

Auto Loan Summary

Monthly Payment

$558

Total Interest

$4,958

Loan Amount$28,500
Total of Payments$33,458
Total Cost$42,996
Due at Signing$9,538
Payoff DateMarch 2031

Quick Answer

To calculate auto loan payments, enter the vehicle price, down payment, loan term, and interest rate into our free calculator at practicalwebtools.com. The calculator instantly shows your monthly payment, total interest cost, and total amount paid. Knowing your payment before visiting the dealership helps you negotiate better and stay within budget.

Key Facts

  • Average new car loan rate in 2025: 7.1% for excellent credit, 11.5% for average credit
  • Average used car loan rate: 11.5% for excellent credit, 17.5% for average credit
  • Most common auto loan terms: 36, 48, 60, 72, and 84 months
  • Longer terms lower payments but increase total interest by thousands
  • Down payment of 20% helps avoid being underwater on your loan
  • Trade-in value can be used as part of your down payment
  • GAP insurance recommended if financing more than car value

Frequently Asked Questions

Interest rates vary based on credit score, loan term, and vehicle type. As of 2024-2025, excellent credit (750+) typically qualifies for 4-6% on new cars, while average credit (650-699) sees 8-12%. Used cars usually have slightly higher rates than new vehicles.

Excellent credit gets 4-6% on new cars; average credit sees 8-12%. Used cars typically cost more.

New cars have lower interest rates but depreciate faster (20-30% in year one). Used cars cost less but may have higher rates and maintenance costs. Consider total ownership costs, not just purchase price, when making your decision.

New cars depreciate 20-30% year one but have lower rates. Used cars cost less but may have higher rates.

A larger down payment reduces your loan amount, lowering monthly payments and total interest paid. Most experts recommend at least 20% down for new cars and 10% for used cars to avoid being "underwater" on your loan.

Larger down payments reduce monthly payments and total interest. Aim for 20% new, 10% used.

36-48 month terms offer the best balance of affordable payments and lower total interest. 60-72 month terms have lower payments but significantly more interest. Avoid 84+ month loans as you risk owing more than the car is worth.

36-48 months is ideal. 60-72 months costs more. Avoid 84+ month terms to prevent negative equity.

Including sales tax in your loan increases total interest paid but may be necessary if you cannot pay it upfront. Sales tax varies by state (0-10%+). If possible, pay sales tax separately to reduce your loan balance.

Including sales tax costs more in interest. Pay it separately if possible. Rates vary by state (0-10%+).

Common fees include documentation fees ($100-500), registration ($50-500), dealer preparation ($200-1000), and title fees ($15-100). Some are negotiable. Always ask for a breakdown of all fees before signing.

Expect $500-2000+ in fees for documentation, registration, title, and dealer prep. Many are negotiable.

Auto Financing Tips

Before You Buy

  • • Check your credit score before shopping
  • • Get pre-approved from your bank or credit union
  • • Research fair market value for the vehicle
  • • Set a total budget including insurance costs

Saving Money

  • • Make a larger down payment (20%+ recommended)
  • • Choose a shorter loan term (48-60 months)
  • • Consider certified pre-owned vehicles
  • • Negotiate the total price, not monthly payment

What if you made a larger down payment?

See how increasing your down payment affects your monthly payment and total interest

$0$7,000$17,500
Monthly Payment
$558+$0/mo

Personalized Insights

2 insights based on your inputs

Strong Down Payment

Your 20% down payment is excellent! You'll have immediate equity and may qualify for better interest rates.

Budget Check

Your $558/month payment should be less than 10-15% of your monthly take-home pay. Don't forget to budget for insurance, fuel, and maintenance.

Related Calculators

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Auto Lease Calculator

Compare leasing vs. buying options

Loan Calculator

General loan payment calculator

Budget Calculator

See if this payment fits your budget

Debt-to-Income Calculator

Check your debt-to-income ratio

View all finance calculators

Auto Loan Summary

Monthly Payment

$558

Total Interest

$4,958

Loan Amount$28,500
Total of Payments$33,458
Total Cost$42,996
Due at Signing$9,538
Payoff DateMarch 2031