Car Loan Interest Deduction

The OBBBA creates a temporary tax deduction allowing individuals to deduct up to $10,000 annually in interest paid on qualifying auto loans for tax years 2025 through 2028. This is classified as an “above-the-line” deduction, meaning taxpayers can claim it without itemizing deductions.

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Vehicle Eligibility Requirements

U.S. Assembly Requirement: A qualifying vehicle must be a car, minivan, van, SUV, pick-up truck or motorcycle with a gross vehicle weight rating of less than 14,000 pounds that has undergone final assembly in the United States. Use the following site to confirm it was assembled in the US: https://www.nhtsa.gov/vin-decoder​

New Vehicle Only: The vehicle’s original use must begin with the taxpayer - it must be new, not used or leased.

Personal Use Only: The vehicle must be purchased for personal use, excluding commercial vehicles, fleet sales, and business use.

Income Limitations and Phase-Outs

Income Thresholds: The deduction phases out for taxpayers with modified adjusted gross income over $100,000 for single filers ($200,000 for joint filers).

Phase-Out Mechanics: For every $1,000 of income over the threshold, the available deduction declines by $200. The deduction is completely eliminated at $150,000 for single filers ($250,000 for married couples).

Reporting Requirements

Lender Obligations: Lenders or other recipients of qualified interest must file information returns with the IRS and furnish statements to taxpayers showing the total amount of interest received during the taxable year.

Effective Date: The deduction applies to any applicable loan made after December 31, 2024, meaning some qualifying loans may have already been made.

Strategic Considerations

Temporary Nature: The provision expires after 2028, making it a short-term incentive rather than a permanent change to tax policy.

Interaction with Trade Policy: The requirement for U.S. final assembly, combined with 25% tariffs on imported vehicles and parts (15% on Japanese vehicles), creates a complex dynamic where the tax benefit may be offset by higher vehicle prices due to tariffs on foreign components.

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