Jan 26, 2026
When President Donald Trump signed the One Big Beautiful Bill Act in July 2025, the administration promoted a sweeping new tax break for drivers. On its website, the White House described it as “Made-in-America Tax Breaks: Interest deduction for loans on new American-made vehicles” (1, 2).
With total U.S. auto loan debt surpassing $1.6 trillion, the policy seems like a no-brainer (3).
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As written, however, the law includes a number of eligibility requirements: income thresholds, vehicle qualifications and time limits. These qualifications significantly narrow who can benefit and by how much.
Under the current rules, buyers of new vehicles assembled in the U.S. may be able to deduct a portion of their auto loan interest from 2025 through 2028. But the size of the deduction depends on several factors, and for many households the resulting tax savings may be relatively modest.
The limits behind the maximum benefit
A lot of buzz around the tax benefit centers on its $10,000 annual deduction cap. While that figure represents the maximum allowed, reaching it would require unusually high loan balances.
According to Cox Automotive, the average new car in 2025 sold for just over $50,000, and the average interest rate on an auto loan is 9.63% (4, 5). That means the average consumer may generate roughly $2,600 in deductible interest in the first year of the loan, well below the maximum deduction.
To reach the full $10,000 annual deduction, a buyer would need to pay $10,000 in interest in a single year. Under typical auto-loan assumptions, that could imply financing a vehicle priced well into the six figures. In any case, it places the scenario far outside the mainstream car market, closer to high-end performance models like the Acura NSX or ultra-luxury vehicles like the Ferrari F8 Tributo (6) than everyday purchases.
Income limits further narrow eligibility. The deduction begins to phase out for individuals earning more than $100,000 per year and for couples filing jointly above $200,000 (1).
It’s also important to note that this provision is a deduction, not a tax credit. That means it only reduces taxable income and does not guarantee dollar-for-dollar savings. Based on typical loan balances and marginal tax rates, it’s estimated that savings for eligible filers are likely to be in the hundreds of dollars, often well under $1,000 annually (7).
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For many households already contending with rising insurance premiums and higher repair costs, that level of savings may not materially change the overall cost of vehicle ownership.
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Who qualifies and who doesn’t
The law also requires that eligible vehicles complete final assembly in the United States, a standard similar to those used in recent electric-vehicle incentive programs (2).
Many car companies headquartered outside the U.S. have plants to assemble cars in American states, including Toyota, BMW and Hyundai. But to prove your new ride is American-made, you have to submit the vehicle’s Vehicle Identification Number (VIN) to the IRS, which determines whether the final assembly requirement has been met.
The process adds an additional layer of verification that may be laborious to many taxpayers.
In addition, the deduction applies only to new vehicle purchases. Leased vehicles and used cars are excluded, even though they account for a significant share of how Americans acquire transportation. Nearly half of vehicle transactions involve either leasing or used inventory, limiting the provision’s reach among cost-conscious buyers.
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The benefit is also temporary. Unless Congress acts to extend it, the deduction expires after the 2028 tax year. Buyers who finance vehicles later in the program’s life span would see fewer years of potential deductions than early participants.
The tariff trade-off
While the law requires final assembly to occur in the U.S., it does not require that vehicle components be domestically sourced. Many vehicles assembled in American plants rely on imported parts that are subject to tariffs.
Researchers at JP Morgan estimate that tariffs will increase the price of a new car over the next three years ending in an increase of $3,258 per vehicle, effectively wiping out the average tax benefit (8).
Taken together, the interaction between higher vehicle prices and limited tax relief suggests the net financial impact for many consumers may be minimal.
Read More: Dave Ramsey says this 7-step plan ‘works every single time’ to kill debt, get rich in America — and that ‘anyone’ can do it
Smarter ways to save
The auto loan interest deduction may offer some benefit to a narrow group of buyers, but whether it will meaningfully reduce costs depends on the household.
Buyers seeking real savings may be better served by tried-and-true tactics: making larger down payments to reduce interest costs, purchasing reliable used cars to avoid steep depreciation, and regularly shopping for better insurance rates.
While the One Big Beautiful Bill Act generated attention for its promise of tax relief, its structure and limitations mean it may play only a small role in lowering transportation costs. For many drivers, managing those costs will continue to depend more on purchasing and financing decisions than on changes to the tax code.
Article sources
We rely only on vetted sources and credible third-party reporting. For details, see our editorial ethics and guidelines.
The White House (1); IRS (2); Federal Reserve Bank of New York (3); Cox Automotive (4, 5); L&H Motorsports (6); Bankrate (7); JPMorgan (8)
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Will Kenton is a personal finance writer with a Master's degree in Economics who has been published in Investopedia, AP News, TIME Stamped and Business Insider among other publications.
