United States Auto Loan Interest Deduction 2026 | Calculate in 60s

Estimate your deductible auto loan interest for new, US-made passenger vehicles.

Last Updated: June 2026 Reviewed & verified by Galvin Mendonca, Finance Researcher

Determine your deductible auto loan interest under the OBBBA. Taxpayers can deduct up to $10,000 in interest paid annually on new passenger vehicle loans, provided the vehicle was assembled in the United States.

How to Use This Tool:
  1. Enter the annual auto loan interest paid.
  2. Provide your MAGI and indicate if the vehicle was assembled in the US.
  3. View the deductible interest and the resulting federal income tax savings.
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Important Financial Calculation Disclaimer & Sources
Scope & Estimative Nature:
  • Used vehicles are strictly excluded.
  • Vehicles assembled outside the United States do not qualify for any deduction.
Official Data Sources:
  • OBBBA Domestic Manufacturing Incentive Guidelines
  • American Automobile Labeling Act (AALA) assembly database
Methodology:
  • Inputs are normalized into numeric values in the browser.
  • The matching FinanceUp calculation engine runs standard formulas for the selected tool.
  • Results are formatted using United States currency, locale, and available country rules.
  • Charts, tables, and result cards are derived from the same calculation output to keep the page internally consistent.

All calculations are estimates. Tax rates, retirement regulations, and investment fees change over time. Please verify critical values with an official professional advisor or reference the official publications cited above before taking action.

Guide & How-To

AI Overview

To calculate auto loan interest deduction calculator in United States (2026): Determine your deductible auto loan interest under the OBBBA. Taxpayers can deduct up to $10,000 in interest paid annually on new passenger vehicle loans, provided the vehicle was assembled in the United States. The calculation is performed by applying the latest local rules, standard deductions, brackets, or compounding terms to your inputs to provide an instant, accurate estimate.

U.S. Assembly Requirement?

To qualify for this above-the-line interest deduction, the passenger vehicle must have undergone final assembly in the United States. You can verify this by checking the vehicle's VIN or the manufacturer window sticker (Monroney label).

Deduction Caps and Phase-Outs?

The maximum deductible amount is $10,000 in interest annually. The deduction phases out between $100,000 and $150,000 MAGI for Single and Head of Household filers, and between $200,000 and $250,000 MAGI for Married Filing Jointly.

Frequently Asked Questions

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