Automobile Loan Payment Calculator
Calculate your monthly car payment and total loan costs
A Car Loan Payment Calculator helps you determine your monthly payments, total interest costs, and compare different loan options when financing a vehicle purchase.
1. Key Loan Terms You Need to Know
Inputs Required
Loan Amount (Vehicle price minus down payment + fees)
Interest Rate (APR) - Annual Percentage Rate (e.g., 5.99%)
Loan Term - Typically 36-84 months (3-7 years)
Down Payment - Initial cash payment (recommended: 10-20%)
Trade-In Value - If applicable (reduces loan amount)
Sales Tax & Fees - Varies by state (typically 3-10%)
Outputs Calculated
✅ Monthly Payment
✅ Total Interest Paid
✅ Total Loan Cost (Principal + Interest)
✅ Amortization Schedule (Breakdown of payments)
2. How Auto Loan Payments Are Calculated
Formula
The standard auto loan payment formula is:
Monthly Payment = P × [ r(1+r)^n ] / [ (1+r)^n - 1 ]
Where:
P = Principal loan amount
r = Monthly interest rate (APR ÷ 12)
n = Number of months
Example Calculation
Vehicle Price: $30,000
Down Payment: $5,000
Loan Amount: $25,000
Interest Rate (APR): 6%
Loan Term: 60 months (5 years)
Step 1: Convert APR to Monthly Rate6% ÷ 12 = 0.005 (0.5% per month)
Step 2: Plug into FormulaPayment = $25,000 × [0.005(1+0.005)^60] / [(1+0.005)^60 - 1]
= $25,000 × [0.005(1.3488)] / [1.3488 - 1]
= $25,000 × 0.006744 / 0.3488
= $25,000 × 0.01933
= **$483.32/month**
Total Interest Paid = ($483.32 × 60) - $25,000 = **$4,000**
3. Auto Loan vs. Lease vs. Cash
Factor | Loan | Lease | Cash |
---|---|---|---|
Monthly Cost | Higher (but you own) | Lower | None |
Ownership | Yours after payoff | No equity | Immediate |
Mileage Limits | None | Yes (penalties) | None |
Maintenance | Your responsibility | Often covered | Your responsibility |
Flexibility | Can sell anytime | Early termination fees | Full control |
4. How to Get the Best Auto Loan
🔹 Check Your Credit Score First (720+ gets best rates)
🔹 Compare Lenders (Banks, credit unions, dealerships)
🔹 Make a Large Down Payment (Reduces interest)
🔹 Choose the Shortest Term You Can Afford (Less interest)
🔹 Pre-Qualify (Soft Credit Check) – Avoid multiple hard inquiries
5. Hidden Costs to Watch For
⚠ Dealer Fees (Doc fee, admin charges)
⚠ Gap Insurance (If loan > car value)
⚠ Prepayment Penalties (Some lenders charge for early payoff)
⚠ Extended Warranties (Often overpriced)
6. Best Auto Loan Calculators
🔸 Bankrate Auto Loan Calculator
🔸 NerdWallet Auto Affordability Calculator
🔸 Edmunds Auto Loan Calculator
7. Should You Refinance Your Auto Loan?
✔ Interest Rates Dropped (Can you get a lower APR?)
✔ Credit Score Improved (Better terms available?)
✔ Want Lower Payments? (Extend term, but pay more interest)