Truck Loan Payment Calculator

Estimate your monthly payment, total interest, and total cost of financing a semi-truck or commercial vehicle. Uses the standard amortized loan formula.

Estimates only — actual lender terms vary.

Enter 0 for interest-free financing
Common terms: 36, 48, 60, 72 months
Enter the truck price and loan terms, then click Calculate.

Why your monthly payment isn't the full cost

Your truck payment is typically one of your largest fixed monthly expenses. The monthly payment number is what fits your cash flow, but the total interest is what the loan actually costs you. On a $77,500 loan at 7.5% APR over 60 months, you pay about $15,700 in interest — nearly 20% of the amount borrowed. Comparing loan scenarios with different terms and rates requires looking at total interest, not just monthly payment.

Once you know your monthly payment, plug it into the Monthly Profit Calculator alongside your other expenses to see how the loan affects your net margin.

Formula

Amount Financed = Truck Price + Fees − Down Payment

Monthly Rate = APR ÷ 100 ÷ 12

Monthly Payment = Principal × Monthly Rate ÷ (1 − (1 + Monthly Rate)^(−Term))

If APR = 0: Monthly Payment = Principal ÷ Term

Total Payment = Monthly Payment × Term

Total Interest = Total Payment − Amount Financed

Example

A $85,000 truck with $10,000 down, $2,500 in fees, 7.5% APR, 60-month term: Amount financed = $77,500. Monthly rate = 0.625%. Monthly payment ≈ $1,553. Total paid ≈ $93,180. Total interest ≈ $15,680.

Frequently Asked Questions

What credit score do I need to finance a semi-truck?
Requirements vary by lender. Some commercial truck lenders work with scores as low as 600, though rates will be higher. Scores above 680 generally access better terms. CDL experience, time in business, and down payment size also affect approval and rate.
How long are typical semi-truck loan terms?
Common loan terms range from 36 to 84 months. Longer terms lower your monthly payment but increase total interest paid. Most owner-operators opt for 48–72 month terms to balance cash flow with total cost.
Should I put more money down on a truck?
A larger down payment reduces your financed amount, your monthly payment, and your total interest. It can also help secure a lower rate by reducing lender risk. The trade-off is using cash that could cover operating expenses during slow months. Aim for at least 10–20% down if possible.

Disclaimer: This calculator provides estimates based on standard amortization. Actual loan terms, rates, and fees are determined by your lender. Results do not constitute a loan offer or financial advice. Consult your lender for actual terms.