New U.S. Auto Loan Interest Deduction Explained

For years, the general rule in the U.S. was that interest paid on a personal car loan was not a deductible expense. This meant that the thousands of dollars in interest paid over the life of a car loan offered no tax relief for individual taxpayers. However, a significant change is on the horizon. The recently passed One Big Beautiful Bill Act (OBBBA) introduces a new, temporary deduction that could provide a welcome tax break for many Americans. 

This new provision is complex, with specific rules and requirements for both taxpayers and vehicles. Understanding these details is crucial to determine if you can benefit.

The Old Rule: No Deduction for Personal Auto Loan Interest

Before the OBBBA, personal interest, including interest on a loan for a car used for personal transportation, was not tax-deductible. The only exceptions were for vehicles used for business purposes, where the interest could be deducted as a business expense, and for certain business-related expenses for self-employed individuals. This distinction meant that for most individuals, car loan interest was a non-deductible personal expense.

The New Deduction: What's Changed Under OBBBA?

The OBBBA introduces a new provision allowing certain taxpayers to claim a deduction for interest paid on a new auto loan. This is a temporary measure, applying to auto debt incurred after December 31, 2024, and before January 1, 2029. It allows for an “above-the-line” deduction, meaning you can claim it even if you take the standard deduction and don’t itemize. This is a significant change that expands the potential benefit to a wider range of taxpayers.

Who Qualifies for This Deduction?

To claim this new deduction, you must meet certain criteria:

  • You must be the taxpayer who took out the loan.
  • The vehicle must be for personal use, not for a business or commercial fleet. This is an important distinction, as business-use vehicles have different rules.
  • The deduction is capped at a maximum of $10,000 per year.
  • There are income limitations. The deduction begins to phase out for taxpayers with a Modified Adjusted Gross Income (MAGI) over $100,000 (or $200,000 for those filing a joint return). The deduction is reduced by $200 for every $1,000 of MAGI above these thresholds and disappears entirely for single filers with MAGI over $150,000 and joint filers with MAGI over $250,000.

What is an “Applicable Passenger Vehicle”?

This isn’t just for any car you buy. The law has a very specific definition of what a qualifying vehicle is. To be considered an “applicable passenger vehicle,” the car must meet all of the following requirements:

  • New Vehicle: Its original use must begin with the taxpayer. This deduction does not apply to used vehicles.
  • Final Assembly in the U.S.: The vehicle’s final assembly must have occurred in the United States. This is a critical detail, as some popular models from both domestic and foreign brands are assembled in other countries and would not qualify.
  • Vehicle Type: It must be a car, minivan, van, SUV, pickup truck, or motorcycle.
  • Gross Vehicle Weight: The gross vehicle weight rating (GVWR) must be less than 14,000 pounds.
  • Clean Air Act Definition: It must be a “motor vehicle” for purposes of the Clean Air Act, which defines it as a self-propelled vehicle designed to transport people or property on public streets.

The deduction specifically excludes fleet sales, commercial vehicles, and lease financing.

Key Financial and Timing Requirements

The deduction is subject to a specific timeframe and requires careful record-keeping:

  • Loan Date: The auto loan must be incurred after December 31, 2024, and before January 1, 2029.
  • Vehicle Identification Number (VIN): Taxpayers will be required to include the vehicle’s VIN on their tax return when claiming the deduction.
  • Deduction Period: The deduction applies to interest paid during tax years 2025 through 2028.

What Information Will Be Reported to the IRS?

In conjunction with this new deduction, the OBBBA also places new reporting requirements on lenders. If a lender receives $600 or more in interest payments on a qualifying auto loan in a calendar year, they are now required to report detailed information to the IRS. While the exact form for this new auto loan interest reporting has yet to be released, it is expected to be similar to other 1098 forms (like Form 1098-E for student loan interest).

Lenders will be required to report:

  • The name and address of the taxpayer who paid the interest.
  • The total amount of interest received during the calendar year.
  • The amount of outstanding principal on the loan at the beginning of the tax year.
  • The date the loan originated.
  • The year, make, model, and VIN of the vehicle.

Lenders must also furnish a written statement containing this information to the borrower by January 31 of the following year, which will be essential for taxpayers to file their returns correctly.

To learn more about how you can reduce your taxes and save money, check out the helpful resources on our blog or contact us today to schedule a consultation.

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