Car Loan Interest Tax Deduction 2025
What You Need to Know About the New OBBBA Break
Quick Summary
Under the One Big Beautiful Bill Act, eligible taxpayers can deduct up to $10,000 in car loan interest on their federal return for vehicles purchased between 2025 and 2028.
The vehicle must be new, assembled in the U.S., and you'll need the VIN when you file.
The deduction phases out starting at $100,000 MAGI for single filers and $200,000 for married filing jointly.
Your lender will provide documentation showing interest paid — hold onto it for tax time.
A New Tax Break for Car Buyers
If you financed a new vehicle in 2025, there's a tax benefit you'll want to know about before you file. As part of the One Big Beautiful Bill Act (OBBBA), a new Car Loan Interest Deduction allows qualifying taxpayers to deduct up to $10,000 in interest paid on an eligible vehicle loan directly on their federal return.
This one applies whether you take the standard deduction or itemize — so it's accessible to a wide range of filers. Here's everything you need to know to see if you qualify and how to claim it.
What Exactly Is the Car Loan Interest Deduction?
It's a new above-the-line style deduction that lets you reduce your taxable income by up to $10,000 based on the interest you paid on a qualifying auto loan. It covers vehicles purchased between January 1, 2025 and December 31, 2028 — as long as the vehicle, the loan, and your income all meet the requirements.
Who and What Qualifies?
There are three boxes to check: the vehicle, the loan, and your income.
The Vehicle
Must be brand new — "new to you" doesn't count. Used vehicles are not eligible regardless of their condition or age.
Must have had its final assembly completed in the United States.
The Vehicle Identification Number (VIN) must be included on your tax return when you claim the deduction.
The Loan
Must be a secured loan taken out specifically to purchase the qualifying vehicle.
The loan must originate between 2025 and 2028 — the years the deduction is in effect.
Interest must have actually been paid during the tax year you're claiming.
Your Income The deduction is income-limited, and here's how the phase-out works:
Filing StatusPhase-Out BeginsFully Phased OutSingle$100,000 MAGI$150,000 MAGIMarried Filing Jointly$200,000 MAGI$250,000 MAGI
If your income falls within the phase-out range, you may still qualify for a partial deduction. For every $1,000 your MAGI exceeds the lower threshold, your maximum deduction is reduced by $200.
Here's how that plays out in practice:
Say your MAGI is $110,000. That puts you $10,000 above the $100,000 starting point. At $200 per $1,000 over the threshold, your deduction is reduced by $2,000 — leaving you with a maximum deduction of $8,000. Still a meaningful savings, just not the full $10,000.
Can You Claim This for Tax Year 2025?
Yes. The deduction is available starting with your 2025 return, which you'll file in early 2026. If you purchased a qualifying vehicle in 2025 and have been making loan payments, the interest you paid throughout the year is eligible to be claimed.
The deduction is available annually through the 2028 tax year, so as long as your loan and income continue to qualify, you can take advantage of it each year you're making payments.
How to Claim the Car Loan Interest Deduction
The process is straightforward:
Gather your loan documentation. For the 2025 tax year, you may need to request a statement directly from your lender showing total interest paid. In future years, lenders will be required to issue a form similar to a Form 1098 for qualifying loans.
Complete Schedule 1-A, Part IV. This is where you'll enter your loan details, including the vehicle's VIN.
Attach Schedule 1-A to your Form 1040 when you file with the IRS.
Simple as that — but the details matter. Make sure your documentation is accurate before you file.
What If You Also Use Your Car for Business?
If you're self-employed or use your vehicle for work, you're probably already familiar with vehicle expense deductions. The new OBBBA deduction is separate from those — but they can interact, so you'll need to pay attention.
Under existing tax rules, business vehicle expenses are handled one of two ways:
Standard mileage rate: A per-mile deduction that also allows you to deduct the business-use portion of your loan interest separately.
Actual expense method: Covers real costs like depreciation, fuel, insurance, and maintenance — including loan interest. If you're using this method, you'll need to account for your business-use percentage and reduce your OBBBA deduction accordingly to avoid double-dipping.
The bottom line: the two deductions can coexist, but they need to be calculated carefully so you're not claiming the same interest twice. This is one of those situations where working with a tax professional pays for itself.
Frequently Asked Questions
Is car loan interest tax deductible in 2025?
Yes — for tax years 2025 through 2028, interest on a qualifying new vehicle loan is deductible, provided you meet all the vehicle, loan, and income requirements.
What about a used car I just bought?
Unfortunately, no. The deduction specifically requires a new vehicle. A recently purchased used car doesn't qualify, regardless of how new it is to you.
What's a typical car loan interest rate?
Rates vary based on your credit profile, loan term, and lender. While that's outside the scope of this deduction specifically, understanding your rate helps you estimate how much interest you'll pay — and how much you might be able to deduct.
Does the deduction apply to leased vehicles?
The current guidance covers loan interest on purchased vehicles. Lease payments work differently and are generally not covered under this deduction.
The Bottom Line
The Car Loan Interest Deduction is one of the more straightforward benefits to come out of the OBBBA — but like any tax provision, the details determine whether you qualify and how much you can claim. If you purchased a new, U.S.-assembled vehicle in 2025 and financed it, there's a good chance you have money to recover at tax time.
At Quality Tax Service, we stay current on every legislative change so our clients don't have to. Ready to make sure you're getting every deduction you've earned? Reach out to our team to get started.
