
Car Allowance vs. Mileage Reimbursement: The 2026 Tax Math After the IRS's Mid-Year Rate Hike
A flat $600 monthly car allowance nets an employee roughly $410 after income and FICA taxes, while an IRS accountable plan reimburses up to 76 cents per business mile tax-free after the July 1, 2026 mid-year rate increase. Here's how taxable allowances, standard mileage reimbursement, and FAVR plans compare — and the three requirements that keep reimbursements out of taxable wages.
