Truck Payment Calculator
Calculate monthly payments, total interest, and total cost for financing a semi-truck or commercial vehicle.
Results
Visualization
How It Works
New Class 8 sleeper trucks run $165k-$210k off the lot in 2025; lightly used trucks 3-5 years old land at $55k-$110k. Owner-operator commercial truck loans price 2-5 points above prime depending on credit, age of truck, and miles. Lenders that work the trucking sector — Mission Financial, Balboa Capital, Commercial Fleet Financing — typically want 10-25% down, a FICO of 600+, and 1-2 years of CDL history for non-recourse paper. Loan structure matters more than rate alone: cutting a $120k loan from 84 to 60 months at 9% saves about $19k in interest but raises the monthly note from roughly $1,930 to $2,490.
The Formula
Total Interest = (Monthly Payment x Months) - Loan Amount
Total Cost = Total Payments + Down Payment
where P = principal, r = monthly rate (APR/12), n = term in months
Variables
- P — Principal financed: truck price minus down payment minus trade-in equity
- r — Monthly interest rate (APR / 12). A 9% APR = 0.0075 monthly.
- n — Term in months. Common: 48, 60, 72, 84.
- APR — Annual Percentage Rate including dealer doc fees and origination — required disclosure under Truth in Lending Act 12 CFR §1026
Worked Example
2022 Freightliner Cascadia, 480k miles, dealer price $98,500. Buyer puts $20k down, finances $78,500 at 9.5% for 60 months. Monthly payment: $1,648.71. Total interest paid: $20,422.60. Total of payments: $98,922.60. Add the $20k down and the truck costs $118,922.60 over the life of the loan. Same truck on a 48-month note at the same rate: monthly payment $1,975.40, total interest $16,319.20. The shorter term saves $4,103 over the loan life but adds $327 to the monthly note. A 72-month version of the same loan: $1,438.97/month, $25,105 total interest — easier monthly cash flow but $4,683 more interest paid over the term, and the payoff balance trails truck depreciation through year 4 (negative equity risk if the truck is totaled or you trade early).
Practical Tips
- For a Schedule C truck purchase, IRC §179 (current 2025 cap $1.16M) and 60% bonus depreciation under §168(k) (2024 phase-down rate) let you expense most of the truck in year 1; financed equipment still qualifies. The interest portion of payments is separately deductible as a business expense.
- Used trucks 6+ years old often draw a 2-4 point rate premium and shorter max terms (48-60 months) because the lender treats residual value as risk. Compare a longer term on a 3-year-old truck against a shorter term on a 7-year-old.
- Dealer financing is a markup on a back-end lender — the dealer earns a participation reserve. Get a competing rate from a bank or credit union before signing; OOIDA, ATBS, and equipment lenders like Wells Fargo Equipment Finance routinely undercut dealer F&I.
- Insurance for owner-operators with their own authority runs $9k-$16k/year for liability + cargo + physical damage. Lenders require comprehensive and collision listing them as loss payee; budget that into the affordability math, not just the loan note.
- Section 179 has a phase-out beginning at $2.89M of equipment placed in service (2024). For an OO buying one truck, full §179 expensing is virtually always available — but check whether claiming it cuts your AGI low enough to lose other credits.
- A 25% down payment usually unlocks better tier pricing because LTV drops below 75%. The rate cut over a 5-year term often outweighs the lost cash earning capacity if you keep less than 15% as working capital.
Frequently Asked Questions
What credit score do I need to finance a semi-truck?
Tier 1 pricing (typically 7-9% APR in 2025) starts around FICO 700+. Tier 2 (640-699) prices 9-12%. Sub-prime trucking lenders work down to 575 but charge 14-22% with higher down requirements (25-35%) and shorter terms. First-time owner-operators with no business credit can get personal-guarantee paper at slightly worse rates than seasoned OOs.
How much should I put down on a truck?
Lender minimums are 10% on prime credit, 15-20% standard, and 25-35% for credit-challenged or older trucks (10+ years, 750k+ miles). The math favors 20% — it usually moves you to a better rate tier and keeps the loan-to-value under 80%, which lenders treat as the threshold for collateral comfort.
Are truck loan payments tax deductible?
The interest portion is deductible as a Schedule C business expense (line 16). The principal portion is not — but you recover principal through depreciation. With §179 and §168(k) bonus depreciation, most owner-operators write off the bulk of the truck in the first year. Loan origination fees are amortized over the loan term per IRC §263(a).
Should I lease or buy a truck?
Operating lease (TRAC, walk-away) keeps the truck off your balance sheet and shifts residual risk to the lessor — useful if you want predictable monthly cost or expect to be out of business in 3 years. Lease-purchase at carriers like Prime, Stevens, or US Xpress is structurally a finance lease with retention strings; the truck is yours only if you stay with the carrier the full term, and the all-in cost typically runs 15-30% above conventional financing.
What is the typical loan term for a semi-truck?
New trucks: 60-84 months are standard. Used trucks: 48-72 months capped by truck age plus term — most lenders will not let total exceed 10 years of vehicle life (e.g., a 5-year-old truck maxes at a 60-month note). Longer terms reduce monthly burn but you risk being upside-down on the loan if the truck depreciates faster than principal pays down.
Can I refinance a truck loan?
Yes. Most commercial truck loans have no prepayment penalty after the first 12 months. Refinancing makes sense when rates have dropped 1.5+ points or your credit has improved meaningfully. The new lender pays off the old note; expect $500-$1,500 in doc and title fees and a fresh title application with the state DMV.
What documents do trucking lenders require?
For an owner-operator with authority: 2 years personal tax returns, 6 months business bank statements, MC/DOT authority, MCS-150 census, proof of insurance, CDL copy, and the truck purchase order or invoice with VIN. Carriers under W-2 financing a truck for lease-purchase may only need the carrier letter of intent and 90 days of pay stubs.