Auto Loan Calculator
Auto Loan Calculator
Understanding auto loan terms helps you negotiate better deals and avoid overpaying for your next vehicle.
Key Terms
- Vehicle Price — The negotiated price of the car before any incentives or fees.
- Trade-in Value — The value of your current vehicle applied toward the purchase.
- Loan Term — The length of the loan in months. Common terms are 36, 48, 60, or 72 months.
- Interest Rate (APR) — The annual cost of borrowing, expressed as a percentage.
- Sales Tax — State and local tax applied to the purchase price.
- Fees — Documentation fees, title fees, registration, and other charges.
Auto Loan Formula
M = P[r(1+r)^n]/[(1+r)^n-1]
Where:
- M = Monthly payment
- P = Principal (loan amount)
- r = Monthly interest rate (annual rate ÷ 12)
- n = Total number of payments
Tips for Auto Loans
- Get pre-approved before visiting the dealership for better negotiating power.
- Shorter loan terms mean higher monthly payments but less total interest.
- Avoid rolling negative equity from your trade-in into the new loan.
- Consider the total cost of ownership including insurance and maintenance.
- 0% APR deals often require excellent credit and may have shorter terms.