Auto Loan Interest Deduction Calculator 2026
OBBBA new-vehicle, US-assembled interest benefit planner.
Auto Loan Interest Deduction
Results update automatically
Confirm VIN/plant codes with your lender for US assembly. This tool is an estimate only.
Your Results
Deduction & federal savings
Approx. federal tax savings
$990.00
Deduction detail
Eligible deduction$4,500.00
Phase-out reduction$0.00
Above-the-line for qualifying filers; still stacks conceptually with the standard deduction for other income — consult IRS guidance for your return.
2026 tax year
Current limits
IRS-sourced data
Brackets & FICA
No data stored
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Frequently Asked Questions
We model it as reducing taxable income in a similar way to other above-the-line benefits described in OBBBA summaries. Confirm final reporting with IRS instructions.
Toggle off the new vehicle switch — the calculator will zero out the modeled deduction.