Is car allowance taxable on payroll?
James Williams
Published Mar 04, 2026
A fixed monthly car allowance is considered compensation, and therefore taxable income at both federal and state levels. Both employee and employer must also pay FICA/Medicare taxes on the allowance. A typical car allowance may be reduced by 30–40% after all these taxes.
Can you pro rata car allowance?
With a company car, you could convert it to a car allowance and pay part timers the appropriate pro rata value. In these circumstances you might choose to provide a car despite the reduced hours, or, if there is a job share, consider requiring the employees to share the car.
How often do you get a car allowance?
A car allowance is a set amount an employer gives to employees to compensate them for using their car for work reasons. This can be doled out on a monthly, quarterly or yearly basis. A car allowance is meant to cover expenses like wear-and-tear on your car, fuel and gasoline costs, repairs and more.
How does an employer treat an employee car allowance?
According to the IRS publication 463 on Travel, Entertainment, Gift, and Car Expenses, how an employer treats an allowance on the employee’s Form W-2 depends in part on whether the employer has an accountable plan or a nonaccountable plan. To be an accountable plan, the employer’s allowance arrangement must include all of the following:
How is mileage substantiated for a car allowance?
Car allowance with mileage substantiation A company can avoid taxation by tracking the business mileage of its employees. Every month, each employee’s mileage is multiplied by the IRS mileage rate ($0.56/mile for 2021). The employee then receives the lesser of the car allowance amount and the mileage rate multiplied by the mileage.
Do you have to pay taxes on your car allowance?
Both employee and employer must also pay FICA/Medicare taxes on the allowance. A typical car allowance may be reduced by 30–40% after all these taxes. Consequently, the employer must ensure that the post-tax amount can cover an employee’s vehicle expenses, not the pre-tax amount.
