What Does the New-Car Loan Interest Deduction Mean for Consumers?

Key Points

• The “No Tax on Car Loan Interest” provision allows anyone who’s purchased a car from 2025 on to deduct the interest paid on the loan when they file their taxes.
• There are a few stipulations before you can deduct the interest, such as the car being purchased for personal use and the final assembly point for the vehicle being in the U.S.

It’s tax time again, and while you’re probably wondering why or how that relates to cars, keep reading. Thanks to the One, Big, Beautiful Bill Act that was signed into law in the summer of 2025, anyone who has purchased a new vehicle and financed it can now deduct the interest paid into that loan when they file their taxes. As taxes in the U.S. can go, though, things could get a little confusing, and not everyone will be able to take advantage of it.

Related: Is Buying a Car Tax-Deductible?

How This All Works

• Takeaway: Those who have recently purchased and financed a new car can deduct the interest from their car loan on their taxes.

Previously, you could get a tax deduction when buying a car, but only if the vehicle that was purchased was for business use. The One, Big, Beautiful Bill Act changes things up slightly by adding an above-the-line deduction — which is a tax deduction that increases eligibility for other tax breaks and is used to calculate adjusted gross income — for auto loan interest. Put simply: If you purchased and financed a new car, you won’t get taxed on the interest you pay for the vehicle loan. 

Sounds great, right? This could also potentially boost auto sales, as some may see it as a motivating factor in their vehicle purchase (similar to what the federal electric-vehicle tax credit did). But there are more than a few things you should know about this tax deduction, and depending on who you are, you may not be able to take advantage of this tax break at all. 

More Than a Few Stipulations

• Takeaway: Like any tax deduction, there are several requirements that the taxpayer and vehicle must meet.

As things tend to go with tax breaks, there are a few requirements that have to be met before you can take advantage of the deduction, including the qualifying vehicle and accompanying loan. The vehicle can be any car, minivan, van, SUV, pickup truck or motorcycle with a gross vehicle weight rating of less than 14,000 pounds. These vehicles also have to have a final assembly point that’s within the U.S.; if buyers aren’t sure where their vehicle’s final assembly took place, the National Highway Traffic Safety Administration has a vehicle identification number decoder website that can help with getting that information. Buyers also have to include the VIN for the qualifying vehicle when they file their taxes.

The vehicle also has to be purchased for personal use and financed, with a loan origination date after Dec. 31, 2024. The IRS says lenders will also be required to help taxpayers by providing statements that show “the total amount of interest received during the taxable year.”

Not everyone will be able to take advantage of this tax break, however. If a taxpayer has a modified adjusted gross income of over $100,000 or over $200,000 for joint filers, the deduction is phased out. Taxpayers who also choose to wait longer to take advantage of it won’t benefit as much, either, as the deduction expires in 2028; someone who purchases a car in January 2026 will have a much larger deduction when they file in 2027 compared with someone who purchases later in 2026. There’s also a $10,000 cap on how much interest you can deduct annually. (The deduction also leaves out used-car buyers. This may prove to be a good thing, however, as the less you spend or can afford on a vehicle, the less you benefit from the deduction.)

A Band-Aid Solution

• Takeaway: The “No Tax on Car Loan Interest” deduction also is not a broad solution for the lack of new-car affordability.

Ultimately, this doesn’t seem to address any of the affordability concerns surrounding new vehicles. This point was emphasized by Bankrate Senior Economic Analyst and Washington Bureau Chief Mark Hamrick.

“This is a potentially helpful tax break for some borrowers, but it’s not a broad fix for affordability,” he said in a statement. “It’s a deduction, not a tax credit, and it comes with eligibility requirements, so the benefit will be limited for many households. At best, it may provide a modest assist at the margin while larger affordability pressures remain.”

He further explained that this tax deduction could entice people to buy vehicles that they really can’t afford in order to take advantage of the tax break.

“My concern is that people could let a temporary tax break drive a bigger financial decision,” he said. “The better approach is to buy the vehicle you can comfortably afford based on your budget and monthly payment, then treat any tax benefit as a bonus, not a reason to stretch.” 

So, while this tax break may not address broader affordability concerns with new vehicles, it will likely benefit a select few. And with vehicle interest rates still high, those who do take advantage of it likely will have paid a high cost for a modest benefit. 

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