Tax Planning
Maximizing Deductions: How the ‘One, Big, Beautiful Bill’ Affects Car Loan Interest in 2025
New reporting and deduction rules for car loan interest begin in 2025 under the One, Big, Beautiful Bill—learn what qualifies, what reporting obligations look like, and how to act now.
By NomadicTax Research Team • 5-8 min read • November 20, 2025
## Overview
The One, Big, Beautiful Bill (OBBBB), signed into law on July 4, 2025, introduced a deduction for “qualified passenger vehicle loan interest” for personal car loans used for personal purposes. It also created a new reporting obligation for lenders or other recipients of that interest. These changes open up planning opportunities—but mistakes could lead to penalties. ([irs.gov](https://www.irs.gov/newsroom/one-big-beautiful-bill-provisions?utm_source=openai))
## What Counts as Qualified Interest?
- **Vehicle must be for personal use**, must meet final assembly in the U.S., and **originate after December 31, 2024**. Used vehicles and lease payments do not qualify. ([irs.gov](https://www.irs.gov/newsroom/one-big-beautiful-bill-provisions?utm_source=openai))
- A maximum annual deduction of **$10,000**. There are income-based phaseouts. ([irs.gov](https://www.irs.gov/newsroom/one-big-beautiful-bill-provisions?utm_source=openai))
- Reporting threshold: if a lender receives **$600 or more** in such interest from an individual, an information return under section 6050AA is required. For calendar year 2025, the IRS has provided transitional relief for satisfying the reporting obligations by making statements to borrowers instead of full returns. ([irs.gov](https://www.irs.gov/irb/2025-45_IRB?utm_source=openai))
## What You Must Do in 2025 vs. Setup for 2026
| Stream | Action Required for 2025 | What to Prepare for 2026+ |
|--------|---------------------------|----------------------------|
| **Borrower** | Keep documentation: loan interest statements, VIN, vehicle weight rating, proof of final assembly in U.S. | Expect to use official loan statements from lenders, plan deductions around AGI phaseouts |
| **Lender / Interest Recipient** | Issue statements to borrowers showing total 2025 interest as per the transitional guidance—IRS will not impose penalties if you comply under that relief. ([irs.gov](https://www.irs.gov/irb/2025-45_IRB?utm_source=openai)) | Full filing of information returns for interest recipients once regulations and IRS guidelines in effect for 2026 |
## Planning Tips & Examples
- If you took out a car loan in early 2025 and meet all vehicle requirements, you can deduct the interest when you file for the 2025 tax year (filed in 2026), **but only if the lender follows reporting/transitional relief guidance**. If the lender does not issue statements, you may lack proof.
- For higher-income filers close to phaseout thresholds, it might be smart to delay certain costs or choose other financing forms to preserve the deduction.
- Lenders should update their systems now to track required info: VINs, construction/final assembly date, aggregated interest amounts. Having these ready for statements and later returns will reduce compliance costs.
## Key Pitfalls to Avoid
- Using leased vehicles or purchased before Jan 1, 2025: these do not qualify.
- Missing or incorrect VIN or final assembly information: required to prove vehicle qualifies.
- Overlooking reporting obligation: although relief is given for 2025, full compliance starts later and you need records for audit or future years.
## Why It’s Important
This change represents one of the rare instances where interest—not just business interest—is deductible for personal use. It reflects how the OBBBB reshapes what counts as personal deductions, shifting past boundaries. Early planning and compliance will pay off as the law phases in more fully.
**Takeaways**: If you had or plan to get a car loan meeting qualification in 2025, gather evidence (loan documents, VIN, vehicle specs), check with your lender if they’ll issue a statement, and see how your AGI may affect what you can deduct.