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🚗 Car Loan Calculator

Calculate auto loan monthly payment, total interest, and amortization from vehicle price, down payment, trade-in, APR, and term. Built for dealer and bank car financing.

Auto Loan EMI, Down Payment, and Total Interest Over the Term

BrainyCalculators editorial insight — unique to this tool

Dealer financing often quotes a monthly payment without showing the APR spread over 60–84 months — a ₹8 lakh car at 9.5% for 7 years costs far more in interest than the same EMI at 48 months. US buyers watch out for gap insurance and doc fees rolled into principal; Indian buyers compare bank vs NBFC offers where processing fee and foreclosure charges differ. Residual-value leases are a different math path than this amortizing loan model.

When to use this calculator

Use when you have loan amount, APR, and tenure for a standard auto installment loan. For lease vs buy or fuel ownership cost, use Lease vs Buy Car or Fuel Cost calculators.

Reference Value Context
Typical auto APR (US, good credit) 5–8% 2024 range
India NBFC auto loan 8.5–12% Varies by CIBIL
Recommended down payment 10–20% Lowers EMI & LTV
Max affordable car payment 10–15% gross income Rule of thumb

Not what you need? For generic personal loans without vehicle-specific down payment logic, use Personal Loan. For home loans, use Mortgage or Home Loan.

Borrowing for non-auto expenses?

This page models secured auto financing with vehicle price, trade-in, and down payment. For unsecured personal loans and consumer EMI, use the Personal Loan Calculator →

What is a Car Loan Calculator?

A car loan calculator estimates secured auto financing: monthly payment, total interest, and amortization from vehicle price, down payment, trade-in value, APR, and loan term. The vehicle collateralizes the loan, which typically means lower rates and shorter terms than unsecured borrowing.

Use this page when you have decided to buy (finance) a vehicle and need to compare dealer financing, credit union rates, or bank pre-approval against a specific car price. Inputs are vehicle-centric — price, trade-in, down payment — not a generic loan amount.

To compare leasing versus buying over the same period — including equity, mileage penalties, and residual value — use the Lease vs Buy Car Calculator. For non-auto unsecured loans, use the Personal Loan Calculator.

Car Loan Payment Formula

Payment = P × r × (1 + r)ⁿ ÷ ((1 + r)ⁿ − 1)

P = Car Price − Down Payment − Trade-in Value  |  r = Monthly rate  |  n = Loan term in months

How to Use the Car Loan Calculator

  1. 1
    Enter Car Price
    The sticker price or negotiated price of the vehicle.
  2. 2
    Enter Down Payment
    Cash you pay upfront. A larger down payment reduces the loan and interest paid.
  3. 3
    Add Trade-in Value
    If you are trading in a vehicle, its value reduces the amount you need to finance.
  4. 4
    Set Rate & Term
    Enter your offered interest rate and choose a repayment period (typically 24–84 months).
  5. 5
    Compare Options
    Adjust down payment or term to find the monthly payment that fits your budget.

Real-World Example

Car price $28,000, down payment $4,000, trade-in $2,000, rate 6.5%, term 60 months.

Loan Amount = $28,000 − $4,000 − $2,000 = $22,000
Monthly rate r = 6.5% ÷ 12 ÷ 100 = 0.5417%
Monthly Payment = $430.33/month
Total Interest = $3,820 | Total Cost = $34,820

How the Car Loan Calculator Works

Formula, assumptions, and calculation steps for this finance tool.

Methodology

Financial calculators use time-value-of-money, rate conversion, amortization, or return formulas depending on the tool. Inputs are normalized to matching periods before the final result is calculated.

Calculation Steps

  1. Enter the principal amounts, rates, terms, or cash flows requested by the calculator.
  2. Convert annual rates to the correct monthly, daily, or yearly period when needed.
  3. Apply the finance formula for payment, return, yield, or future value.
  4. Show the result with supporting totals such as interest, gain, or balance.

Assumptions and Limits

  • Rates are assumed constant unless the calculator asks for a schedule.
  • Taxes, fees, and inflation are included only when fields are provided.
  • Financial results are estimates for planning, not investment or lending advice.

Frequently Asked Questions

Financial experts recommend at least 20% down on a new car and 10% on a used car. A larger down payment reduces the loan amount, lowers monthly payments, reduces total interest paid, and helps avoid being underwater on the loan (owing more than the car is worth) as vehicles depreciate quickly.

Rates vary by credit score and whether the car is new or used. Generally, new car loans for borrowers with excellent credit (720+) range from 5–7%. Used car rates are 7–10%. Rates above 15% are considered high and may indicate poor credit or dealer markup. Always shop multiple lenders.

Get pre-approved from a bank or credit union before visiting the dealership. This gives you negotiating power and a baseline rate. Dealer financing can be competitive (sometimes 0% promotions), but dealers may mark up rates for profit. Compare the total cost of both options carefully.

Shorter terms (36–48 months) mean higher monthly payments but less total interest and quicker equity building. Longer terms (60–84 months) lower monthly payments but increase total interest and the risk of being upside-down on the loan. Avoid loans longer than 60 months for most situations.

Real-World Applications

🚗
New Car Purchase Planning
Buyers model different down payment amounts and loan terms to find a monthly payment that fits their budget before visiting the dealership — giving them a confident, informed negotiating position.
🔄
Loan Refinancing
Borrowers refinance existing auto loans when rates fall or their credit improves — using the calculator to verify that the savings in interest outweigh any refinancing fees.
🚙
Used Car Financing
Used car buyers compare loan offers from credit unions, banks, and dealer financing at different rates and terms to identify the lowest total cost option for a specific vehicle price.
🏢
Small Business Vehicle Finance
Business owners finance company vehicles and compare the total interest cost of a loan versus a lease — factoring in tax deductibility of interest under Section 179 and MACRS depreciation.
🎓
First-Time Buyer Education
First-time car buyers use the amortisation schedule to understand how interest front-loading works — seeing exactly how much of each early payment goes to interest helps them appreciate the value of a larger down payment.
📊
Total Cost of Ownership Comparison
Financial advisers use the car loan calculator alongside a depreciation calculator to show clients the full picture: loan interest + depreciation + insurance + maintenance = true annual cost of vehicle ownership.

Common Mistakes

1
Negotiating the Monthly Payment Instead of the Price
Dealers prefer to negotiate the monthly payment rather than the vehicle price — it is easier to hide profit in a longer term or higher rate. Always negotiate the out-the-door vehicle price first, then discuss financing separately.
2
Accepting the First Financing Offer
Dealer financing can be marked up significantly above the lender's buy rate. Getting pre-approved from a bank or credit union before visiting the dealership gives you a benchmark rate and negotiating leverage.
3
Extending the Term to Reduce the Payment
A 72-month loan has a lower payment than a 48-month loan, but the total interest paid can be 2–3× higher. Longer terms also increase the risk of being upside-down on the loan as the car depreciates.
4
Forgetting to Include Tax, Title, and Registration
The car loan is calculated on the amount financed — which typically includes sales tax (5–10%), title fees, registration, and dealer documentation fees, not just the vehicle price. Ignoring these adds up to several thousand dollars.
5
Rolling Negative Equity into the New Loan
Trading in an upside-down car and rolling the negative equity into a new loan starts the next loan with an inflated balance relative to the car's value — a financially precarious position that compounds over time.

Loan Term Comparison — $25,000 at 7% APR

Term Monthly Payment Total Interest Total Cost
36 months $772 $2,793 $27,793
48 months $598 $3,706 $28,706
60 months $495 $4,685 $29,685
72 months $427 $5,763 $30,763
84 months $378 $6,773 $31,773

References

  1. Federal Reserve. Consumer Credit — G.19 Statistical Release. federalreserve.gov.
  2. Consumer Financial Protection Bureau. Auto Loans. consumerfinance.gov.
  3. Experian. State of the Automotive Finance Market. experian.com.
  4. Brigham, E. F. & Houston, J. F. Fundamentals of Financial Management, 15th ed. Cengage, 2019.
  5. National Automobile Dealers Association. NADA Data: Annual Automotive Industry Report. nada.org.

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