Car Loan Interest Tax Deduction for 2025 Explained

Keywords: car loan interest tax deduction 2025, vehicle interest deduction, IRS auto loan tax rules

A new tax break allows some taxpayers to deduct interest paid on qualified vehicle loans for the 2025 tax year.

What Vehicles Qualify?

• New or used personal vehicles

• Loan must be secured by the vehicle

• Vehicle must be primarily for personal use

• Has a gross vehicle weight rating of less than 14,000 pounds

• Underwent final assembly in the United States. ( To verify final assembly location you can visit https://vpic.nhtsa.dot.gov/decoder/ )

Leases and business‑only vehicles generally do not qualify.

How the Deduction Works

• Claimed on Schedule 1‑A

• Reduces taxable income

• Available even if you don’t itemize

What Records You’ll Need

• Loan statements showing interest paid

• Year‑end lender summary (Form 1098‑style statement if provided)

• Loan agreement

IRS Forms & Resources

• Form 1040

• Schedule 1‑A

• https://www.irs.gov/newsroom/one-big-beautiful-bill-provisions

• https://www.irs.gov/pub/irs-drop/n-25-57.pdf

Limits to Know

• Maximum annual deduction is $10,000

• Phases out for taxpayers with modified adjusted gross income over $100,000 ($200,000 for joint filers)

• Only interest (not principal) is deductible

If you purchased a vehicle in 2025 and financed it, this deduction could help offset rising auto costs.