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New Tax Relief: Deducting Personal Auto Loan Interest (2025-2028)

For decades, a standard rule of thumb in tax planning has been that interest on personal debt—credit cards, personal loans, and car payments—is not deductible. However, proposed regulations under the One Big Beautiful Bill Act are temporarily shifting that landscape. For tax years 2025 through 2028, taxpayers may have a rare opportunity to deduct interest paid on loans for qualified, new passenger vehicles.

This is a significant development for anyone in the market for a new car, but the eligibility criteria are specific. Here is what you need to know to leverage this provision.

Understanding the Benefit and Limits

This relief applies to loans originated after December 31, 2024. It is designed as a "below-the-line" deduction, meaning it reduces your taxable income whether you itemize or take the standard deduction. However, there are caps in place to target the benefit:

  • Deduction Cap: The maximum deduction is $10,000 per annual tax return. If you are married filing separately, the limit is $10,000 per spouse.

  • Income Thresholds: The benefit begins to phase out for single filers with a modified Adjusted Gross Income (AGI) over $150,000, and for married couples filing jointly with an AGI over $250,000.

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Vehicle Eligibility: The "Made in America" Rule

Not every vehicle qualifies. To support domestic manufacturing, the legislation requires the vehicle to be new (not used) and assembled in the United States. It must also have a gross vehicle weight rating of under 14,000 pounds, covering most standard cars, SUVs, minivans, and pickup trucks.

Before signing a purchase agreement, verify the final assembly point. You can check a specific VIN using the NHTSA decoder here: Welcome to VIN Decoding : provided by vPIC.

Financing and Usage Requirements

The IRS requires that the loan be secured by the vehicle itself. Interest on personal loans used to buy the car qualifies if secured, but interest paid on loans from family members does not. Furthermore, this deduction is strictly for purchases; interest paid on leased vehicles is ineligible.

Crucially, you must anticipate using the vehicle for personal purposes more than 50% of the time when you buy it. If you are a business owner or gig worker with a mixed-use vehicle, you will need to calculate the deduction carefully:

  • Interest allocable to business use is deducted as a business expense (e.g., Schedule C).

  • The remaining personal portion may be claimed under this new provision on Schedule 1-A.

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Documentation for Tax Time

Lenders are expected to file a new Form 1098-VLI detailing the borrower and loan specifics if interest exceeds $600. For the 2025 tax year, a standard statement from your lender showing interest paid will suffice.

Navigating new regulations can be complex, especially when phaseouts and mixed-use calculations are involved. If you are planning a vehicle purchase and want to ensure you maximize this temporary tax break, please reach out to our office.

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