Finance & MoneyVehicle
Auto Loan & Car Payment Calculator
Estimate your monthly vehicle financing payment including sales tax, trade-in credits, down payments, and interest rates.
Vehicle Purchase Details
Monthly Car Payment
$510.77
Total Loan Financed: $26,740.00
Estimated Sales Tax:$1,740.00
Total Interest (Finance Charge):$3,905.90
Total Total Cost of Ownership:$37,645.90
Mathematical Formula: Net Vehicle Financing Amortization
Financed Amount = Vehicle Price + Sales Tax + Fees - Down Payment - Trade In
Calculates the net balance financed and applies amortized installment terms.
How to Use This Calculator
- 1Input the vehicle sticker price and state/city sales tax percentage.
- 2Subtract your cash down payment and trade-in value of your current car.
- 3Select your loan term (36, 48, 60, or 72 months) and interest rate APR.
- 4Get your exact monthly payment and total cost of ownership.
Practical Example: New Car Financing Example
Scenario: Purchasing a $32,000 car with $4,000 down payment, $3,000 trade-in, 6% sales tax, at 5.5% APR for 60 months.
Vehicle Price:$32,000
Down Payment:$4,000
Trade-In:$3,000
Sales Tax:6.0%
Loan Term:60 Months
APR:5.5%
Result: Monthly Payment: $517.20 | Total Interest: $4,242.00 | Total Vehicle Cost: $38,032.00
A 60-month term keeps payments affordable while preventing severe underwater depreciation.
Frequently Asked Questions
In many jurisdictions, the trade-in allowance is deducted from the purchase price before sales tax is assessed, providing additional tax savings.
Pro Calculation Tips
- Keep car loan terms to 60 months or fewer to avoid paying excessive interest on a depreciating asset.
Model Assumptions
- Does not include auto insurance premiums, registration tags, or routine maintenance costs.