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◆ AUTO FINANCING (DOWN, TRADE-IN & TAX) OR PERSONAL LOAN CALCULATOR

Auto Loan & Personal Loan True Cost Calculator

Switch between Auto Loan mode (with separate cash down, trade-in equity or negative-equity rollover, and sales tax) and Personal Loan mode (pure unsecured principal and interest across 12 to 84 months).

DISPLAY SYMBOL (1:1 NO FX):
FRED · BLS · US-STATUTORY-2026.11 Plain-English A–Z Glossary →
Enter Your Numbers RUNS PRIVATELY IN YOUR BROWSER
$36,000
$6,000
$0
$0
6.50%
7.35%
60 Months (5 Yrs)
$0/mo
Your Results & Breakdown 2026 U.S. FORMULA
Monthly Loan Payment
$646/mo
Base payment $646/mo on $32,340 financed
Total Interest Cost
$6,419
Over 60 monthly payments at 7.35% APR
Sales Tax & Fees Financed
$2,340
After $6,000 cash down payment
True Out-of-Pocket Cost
$44,759
Within standard 36–60m window
Ready: Type exact dollar or percentage figures or drag any slider to update your tax, interest, and cash-flow breakdown immediately.

Privacy Note: All math runs locally in your browser. If you click Copy My Scenario Link, your entered numbers are encoded in that link so you can revisit or share the scenario.

◆ METHODOLOGY & PLAIN-ENGLISH GUIDE (CLICK DOTTED TERMS FOR DEFINITIONS)

Auto Loans vs. Fixed Personal Loans: Key Differences

Auto loans are secured by the vehicle and involve upfront cash down payments, state sales taxes, and potential positive or negative trade-in equity. Notice how state tax rules vary: most states tax only the difference between the new car price and your trade-in value, whereas states like California and Virginia tax the full purchase price.

Unsecured personal loans carry no collateral or sales tax; your total cost is determined strictly by loan principal, , any lender origination fee, and repayment term.