New Auto Loan Interest Deduction: Eligibility, Limits, and VIN Requirements

It is rare for the tax code to offer relief for personal debt, but the IRS has released proposed regulations that may benefit car buyers between 2025 and 2028. Under the provisions of the "One Big Beautiful Bill Act," taxpayers may be able to deduct interest paid on loans for new, American-made passenger vehicles.

At Dixson Tax Resolution Services LLC, we typically focus on resolving high-stakes IRS controversies, but we also believe in proactive compliance. Whether you are navigating the highways of Dallas, commuting in San Diego, or driving through Orlando, understanding these specific rules is critical to avoiding future audit triggers.

The Core Eligibility Rules

Effective for loans originated after December 31, 2024, this temporary provision allows for a "below-the-line" deduction. This means you can claim it even if you take the standard deduction. However, the IRS has set strict boundaries:

  • The Cap: The maximum deduction is $10,000 per tax return annually. This limit applies even if you are married filing separately.

  • Income Limits: The benefit begins to phase out for single filers with a modified AGI over $150,000, and joint filers over $250,000.

  • Use Requirement: You must anticipate using the vehicle for personal purposes more than 50% of the time when purchased.

Tax professional reviewing auto loan documents

Vehicle Restrictions: The Domestic Assembly Rule

Not every car qualifies. The deduction is strictly for new passenger vehicles (cars, SUVs, trucks, vans) with a gross vehicle weight rating under 14,000 pounds. Crucially, the vehicle must be assembled in the United States.

Get Free Book
Stand Strong Against the IRS with my roadmap to success.
Click Here

Before you sign a finance contract, you must verify the final assembly point. You can check a specific VIN using the government's official tool here: Welcome to VIN Decoding : provided by vPIC

Financial Details and Mixed-Use Vehicles

If you use your car for both business and personal reasons—common for our self-employed clients—you will need to calculate the deduction proportionally. You can claim business interest as a business expense, but that reduces the amount available for this specific personal deduction.

Qualifying Interest Includes:

  • Interest on the vehicle purchase price.

  • Interest linked to sales tax and dealer fees.

  • Interest on personal loans secured by the vehicle (but not family loans or leases).

Documentation Matters

Lenders are expected to file the new Form 1098-VLI if you pay more than $600 in interest. For the 2025 tax year, a standard statement from the lender will suffice as a transition measure.

While this deduction offers savings, it also introduces complexity to your Form 1040. As a firm led by Felecia G. Dixson, EA, we specialize in ensuring your tax positions are defensible. If you are unsure about how this impacts your specific tax situation, contact our office for guidance.

Get Free Book
Stand Strong Against the IRS with my roadmap to success.
Click Here
Share this article...

Sign up for our newsletter.

Each month, we will send you a roundup of our latest blog content covering the tax and accounting tips & insights you need to know.

I confirm this is a service inquiry and not an advertising message or solicitation. By clicking “Submit”, I acknowledge and agree to the creation of an account and to the and .

We care about the protection of your data.

General Questions PracticeBot to answer general FAQ's
We would love to make sure we can answer any commonly asked questions or direct you to the right place
Please fill out the form and our team will get back to you shortly The form was sent successfully