2
 Minute Read

Could Auto Loan Interest Deductions Be Next? A New Topic in the TCJA Extension Discussions

April 22, 2025

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By 
Herbert Kyles, CFP®, David Darby, CFA, and Kevin Roche, CFP®
By Farther

As discussions continue around the potential extension of the Tax Cuts and Jobs Act (TCJA), a new proposal is drawing attention: allowing consumers to deduct auto loan interest on their tax returns. With vehicle prices and borrowing costs both on the rise, policymakers are exploring this idea as a way to ease financial pressure on American households.

While interest deductions already exist for mortgages and student loans, they come with specific rules and limitations. For example, student loan interest deductions are capped at $2,500 per year and phase out above certain income levels – $80,000 for single filers and $160,000 for married couples filing jointly, with no deduction available for those married filing separately. Mortgage interest deductions, too, are subject to rules based on loan size, origination date, and the use of the property.

Introducing a similar deduction for auto loans may resonate with many, especially as vehicle ownership becomes increasingly costly. 

Still, 2 key questions remain: 

  1. What qualifications and income thresholds might apply? 
  2. And perhaps more importantly, would such a deduction make a meaningful impact on your overall financial picture?

While the proposal is still in early stages, it holds potential to offer some relief. As always, the details will matter – and we will be watching closely as this conversation evolves.

Herbert Kyles, CFP®, David Darby, CFA, and Kevin Roche, CFP®

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