Car Loan Interest Deduction Calculator
New for 2025 through 2028: deduct up to $10,000 of interest on a qualifying new-vehicle loan, even if you take the standard deduction. Check eligibility with your VIN, then see where the income limit starts.
Step 1 — Does your vehicle qualify? (VIN check)
Only new vehicles with final assembly in the United States qualify. Enter your 17-character VIN and we'll check the official NHTSA database for the assembly plant country.
Step 2 — Your deduction
- · Eligibility checklist: new vehicle (original use), final assembly in the US (VIN → PlantCountry), personal use, loan secured by the vehicle (first lien). Leases, used vehicles, and business/fleet vehicles do not qualify.
Estimated tax savings (deduction × your marginal rate)
A deduction reduces taxable income — not your tax bill dollar-for-dollar.
Who qualifies?
The vehicle must be new (original use starts with you), for personal use, with final assembly in the United States — that's what the VIN check above verifies via the official NHTSA database. The loan must be secured by the vehicle (first lien). Used vehicles, leases, and business/fleet vehicles do not qualify. The deduction phases out above $100,000 MAGI ($200,000 joint) at $200 per $1,000 of income, disappearing entirely at $150,000 ($250,000).
Your lender reports the interest on the new Form 1098-VLI. You claim the deduction on Schedule 1-A — no itemizing required.
Based on IRS proposed regulations (IR-2025-129); details may be refined in final regulations. Not tax advice — confirm with a tax professional.
Which cars qualify — the badge won't tell you
The test is where the vehicle was finally assembled, not who owns the brand. A Japanese or German nameplate built in Kentucky, Alabama, or South Carolina passes; a long-standing American brand built in Mexico or Canada does not. It gets finer than that — the same model in the same year is sometimes produced at two plants in different countries, so the answer belongs to your vehicle, not to the model name. That is why the checker above reads the plant country recorded against your specific VIN.
Where to find your VIN: the plate at the base of the windshield on the driver's side, the sticker inside the driver's door jamb, your registration or title, your insurance card, or the loan documents from your lender. All of them carry the same 17 characters.
As a rough pre-check, the first character encodes the assembly country: 1, 4, or 5 for the United States, 2 for Canada, 3 for Mexico, J for Japan, K for South Korea, W for Germany. Treat that as a hint only — run the VIN through the lookup above, because the plant country on the official record is what the deduction is tested against.
Interest that doesn't count, even on a qualifying car
The rule is that the loan itself must be secured by the vehicle. Buy an eligible new car with an unsecured personal loan, a credit-card balance, a home equity loan or HELOC, or a 401(k) loan, and the interest falls outside this deduction — the money bought a qualifying vehicle, but the debt is not attached to it. Only interest on the auto loan holding the lien is eligible.
The vehicle also has to be new in the sense that original use begins with you. A certified pre-owned car, or any vehicle already titled to someone else — a dealer demonstrator or loaner included — generally fails that test, however few miles are on it. And because the deduction is for personal-use vehicles, a car titled to a business or run as part of a fleet is out regardless of assembly location.
2026 new deductions at a glance
Four separate rules, four separate caps — you can claim more than one in the same year. The income lines are MAGI, and each one phases out at its own speed.
| Deduction | Cap | MAGI phase-out | Tax years | With standard deduction? |
|---|---|---|---|---|
| Car loan interestYou are here | $10,000 of interestSame cap whether you file single or joint | $100,000 → $150,000$200,000 → $250,000 joint−$200 per $1,000 of MAGI over the line | 2025–2028 | Yes — Schedule 1-A |
| Overtime premium | $12,500 / $25,000 jointPremium half only, not total overtime pay | $150,000 → $275,000$300,000 → $550,000 joint−$100 per $1,000 of MAGI over the line | 2025–2028 | Yes — Schedule 1-A |
| Senior (65+) | $6,000 per person$12,000 if both spouses are 65+ | $75,000 → $175,000$150,000 → $350,000 joint−6% of MAGI over the line — the steepest of the three | 2025–2028 | Yes — Schedule 1-A |
| HSA & FSA limits | HSA $4,400 / $8,750Health FSA $3,400 · Dependent Care FSA $7,500 | No income phase-outLowers MAGI for the three abovePayroll contributions also skip FICA (7.65%) | 2026 figures, reset annually | Pre-tax payroll — separate track |
The three Schedule 1-A deductions are unavailable to married filing separately and require a valid Social Security number. Because HSA and FSA contributions come out of wages before AGI, they lower the MAGI the other three are measured against — near a threshold, a pre-tax dollar is worth more than its face value.
What to check next
The VIN check settles whether you qualify and the calculator settles how much. What usually comes next is the question underneath both: how close your income sits to the line, and what the whole thing is worth against an actual paycheck.
- $100,000 of MAGI is exactly where this deduction starts shrinking, and for most W-2 filers MAGI tracks salary closely. Seeing what a salary at that level really pays out — federal income tax and FICA removed — is the fastest way to tell how close you are to the threshold. See take-home at $100,000 →
- If you land just above the line, every $1,000 you keep out of MAGI restores $200 of this deduction. Payroll-deducted HSA and FSA contributions come out of wages before AGI is calculated, so they move the number directly — and they cut income tax and FICA on their own terms. Check your 2026 HSA and FSA room →
- The same law created three more write-offs that work alongside the standard deduction. Nothing stops you from claiming several in one year, so if you also worked overtime or turned 65, there is likely a second one sitting unclaimed. Read the 2026 deductions guide →
Frequently asked questions
Is car loan interest tax deductible in 2026?
Yes, within limits. Interest on a loan secured by a new, personal-use vehicle with final assembly in the United States is deductible for tax years 2025 through 2028, up to $10,000 a year, subject to an income phase-out. Interest on a used car, a lease, or an unsecured loan is not.
Which vehicles qualify for the car loan interest deduction?
The vehicle must be new, meaning original use begins with you, bought for personal use, with final assembly in the United States. The loan must be secured by the vehicle itself. The VIN checker above verifies final assembly against the official NHTSA database.
What is the car loan interest deduction limit?
Up to $10,000 of qualifying interest per year, for tax years 2025 through 2028. The deduction is available even if you take the standard deduction.
What is the income limit and phase-out?
It phases out above $100,000 of modified adjusted gross income ($200,000 on a joint return), falling $200 for every additional $1,000 of income, and disappears entirely at $150,000 ($250,000 joint). That is the steepest phase-out of the new deductions.
Do I have to itemize to claim it?
No. You claim it on Schedule 1-A whether or not you itemize, so it stacks on top of the standard deduction.
How do I know how much interest I paid?
Your lender reports it on the new Form 1098-VLI. Use that figure for an exact number rather than estimating from your payment schedule.
Does a used car or a lease qualify?
No. A used vehicle fails the original-use test, and a lease is not a loan secured by the vehicle, so neither qualifies. Refinancing an existing qualifying loan generally keeps the interest deductible up to the original principal.
Sources
Last verified: 2026-08-17 · We monitor official sources daily and update rates after human review of the originals.