No Tax on Car Loan Interest Under the New Law? Not Exactly
Under current federal income tax rules, so-called personal interest expense generally can’t be deducted. One big exception is qualified residence interest or home mortgage interest, which can be deducted, subject to some limitations, if you itemize deductions on your tax return.
The One Big Beautiful Bill Act (OBBBA) adds another exception for eligible car loan interest. In tax law language, the new deduction is called qualified passenger vehicle loan interest. Are you eligible? Here are the rules.
“No tax” isn’t an accurate description
If you could deduct all your car loan interest, you’d be paying it with pre-tax dollars rather than with post-tax dollars — meaning after you paid your federal income tax bill. The new deduction has been called “no tax on car loan interest,” but that’s not really accurate. Here’s a more precise explanation.
The OBBBA allows eligible individuals — including those who don’t itemize — a temporary new deduction for some or all of the interest paid on some loans. The loans must be taken out to purchase a qualifying passenger vehicle.
Specifically, for 2025 through 2028, up to $10,000 of car loan interest can potentially be deducted each year. The loan must […]




