By Jessica Irving Marschall, CPA, ISA AM
President & CEO, Marschall Accounting Services LLC
January 9th, 2026
The enactment of the One Big Beautiful Bill Act (OBBBA) on July 4, 2025, introduced significant changes to the federal tax code. Among the most widely discussed provisions is the new deduction for interest paid on certain vehicle loans, commonly referred to as the “No Tax on Car Loan Interest” deduction.
Despite broad media coverage, this provision is subject to detailed statutory requirements and income-based limitations. For the 2025 and 2026 tax years, eligibility depends on strict vehicle qualifications, usage standards, and modified adjusted gross income (MAGI) thresholds. Careful review of these rules is essential before assuming the deduction is available.
Key Provisions of the Deduction
For tax years 2025 through 2028, eligible taxpayers may deduct up to $10,000 per year in interest paid on qualified vehicle loans. The deduction is above the line, meaning it is available regardless of whether the taxpayer itemizes deductions or claims the standard deduction.
To qualify, the vehicle must satisfy all of the following requirements:
- Final Assembly in the United States
The vehicle must be assembled in the U.S. Final assembly can be verified using the Vehicle Identification Number (VIN). - New Vehicle Requirement
Only new vehicles qualify. Used vehicles and leased vehicles are expressly excluded. - Predominant Personal Use
The vehicle must be used for personal purposes more than 50 percent of the time. Vehicles used primarily for business purposes are not eligible. - Weight Limitation
The vehicle must have a gross vehicle weight rating (GVWR) of less than 14,000 pounds.
Income Thresholds and Phaseouts
The deduction is subject to MAGI-based phaseouts that may significantly limit or fully eliminate the benefit for higher-income taxpayers:
| Filing Status | Phaseout Begins | Fully Eliminated |
| Single | $100,000 | $150,000 |
| Married Filing Jointly | $200,000 | $250,000 |
Once MAGI exceeds the applicable threshold, the allowable deduction is reduced by $200 for every $1,000 of income above the phaseout starting point. Taxpayers whose income approaches these limits should be aware that even modest increases in MAGI can materially reduce the available deduction.
Compliance and Reporting Requirements
Claiming the deduction requires reporting on Schedule 1-A, along with disclosure of the vehicle’s VIN on the return.
For the 2025 tax year, the IRS has provided transition relief to lenders. Financial institutions are only required to furnish a written statement reflecting the amount of interest paid. Beginning in 2026, lenders will be required to issue Form 1098-VLI, which will formally report qualified vehicle loan interest.
Taxpayers considering refinancing should note that only the portion of a refinanced loan attributable to repayment of the original qualifying principal remains eligible. Interest associated with cash-out amounts or loan extensions does not qualify for the deduction.
Conclusion
The “No Tax on Car Loan Interest” deduction represents a meaningful but narrowly defined tax benefit. Eligibility depends not only on the purchase of a qualifying vehicle, but also on income levels, loan structure, and proper documentation. Taxpayers should evaluate this provision within the broader context of their overall tax position, particularly when income approaches the phaseout thresholds or when refinancing is contemplated.
Sources
- Internal Revenue Service (IRS): Proposed Rulemaking – Qualified Vehicle Loan Interest Deduction under IRC §163(n)
- U.S. Department of the Treasury: Fact Sheet on the One Big Beautiful Bill Act (OBBBA) of 2025
- Congressional Research Service: Tax Treatment of Personal Interest – 2025 Legislative Changes
