What auto loan term is best?

Shorter terms (36–48 months) yield higher monthly payments but save substantially on cumulative interest and reduce the risk of negative equity.

Financial100% Client-Side · Instant Math

Auto Loan Calculator

Estimate monthly car payments with trade-in value, sales tax, and dealership fees.

Vehicle Price

Down Payment

Trade-In Value

Term (Months)

Months

Interest Rate (%)

Sales Tax (%)

Title, Doc & Registration Fees

Deduct trade-in before applying sales tax

Result Summary

Monthly Payment

$538.09

Financed Loan Amount

$27,900.00

Estimated Sales Tax: $2,250.00

Total Interest

$4,385.33

Total Cost (incl. Loan Interest)

$43,285.33

Principal:$27,900.00 (80.8%)

Interest:$4,385.33 (12.7%)

Estimated Sales Tax:$2,250.00 (6.5%)

Educational & Budgeting Notice

Results are estimates provided for educational and planning purposes only and do not constitute licensed financial, tax, or legal advice. Verify final terms with your lender or advisor.

How to Use This Calculator

Calculate true out-the-door financing cost and monthly car loan payments factoring in vehicle price, down payment, trade-in allowance, sales tax, and title/registration fees.

1Enter vehicle price, down payment, and trade-in value.
2Specify loan term (24 to 84 months), interest rate, local sales tax %, and title/registration fees.
3Inspect net financed principal, monthly payment, total interest, and total ownership cost.

Standard Formula & Methodology

Financed Amount = Max(0, Vehicle Price - Trade-In - Down Payment + Tax + Fees).

Helpful Context & Precision Notes

Includes configurable toggle for whether sales tax applies after trade-in deduction, common across many jurisdictions.

All inputs stay locally inside your browser tab — nothing is uploaded or logged.

Frequently Asked Questions

In many US states and regions, sales tax is charged only on the price difference (Vehicle Price minus Trade-In). Toggle the trade-in tax credit checkbox to match your local rules.