If You Deduct Mileage, Can You Also Deduct Auto Insurance?

Short answer

Yes, you can generally deduct auto insurance even if you are already deducting mileage, but you cannot double-dip on the same expense. If you claim the standard mileage rate, your insurance deduction is handled differently than if you deduct actual expenses. The right path depends on your vehicle use, your records, and which method gives you the larger deduction.

How the two deduction methods work

The IRS gives taxpayers two ways to deduct vehicle costs for business, medical, or charitable use.

Standard mileage rate

For 2024, the standard mileage rate is 67 cents per mile for business use. When you use this method, you multiply your deductible miles by the rate. That single number replaces separate deductions for gas, maintenance, depreciation, and — notably — a portion of your auto insurance premium. You do not list insurance separately; the rate is meant to cover a share of it.

Actual expense method

Under this method, you track every qualifying cost: gas, repairs, tires, registration fees, and auto insurance premiums. You then determine the business-use percentage of each expense and deduct that portion. Insurance is deducted line by line, which can yield a larger write-off if your premiums are high relative to your mileage.

Why the same expense cannot be deducted twice

The core rule is that you cannot deduct the same dollar of cost twice. If you use the standard mileage rate, the IRS treats that rate as covering all vehicle operating costs, including insurance. Claiming insurance premiums separately while also using the standard mileage rate for the same miles is considered double-dipping and can trigger an audit adjustment or penalty.

When you can deduct insurance alongside mileage

You can deduct insurance in the following scenarios:

• Actual expense method: You are deducting insurance premiums as part of your total vehicle expenses, and you are not using the standard mileage rate for those same miles.
• Business use separate from mileage deduction: You are deducting insurance for a vehicle you use partly for business and partly for personal reasons, and you are using the actual expense method to capture the business percentage.
• Self-employed vehicle deduction: You deduct insurance on Schedule C or Form 2106 when you are not also claiming the standard mileage rate for the same period.

What about the standard mileage rate and insurance premiums?

If you started the year using the standard mileage rate, you can switch to the actual expense method, but only under specific IRS rules. For a business vehicle, the switch is allowed in the first year the vehicle is placed in service, or in a subsequent year, but not retroactively. If you switch, you then include a prorated share of your insurance premiums from that point forward. The IRS Publication 463 provides tables for depreciation adjustments when switching methods.

Record-keeping requirements for both deductions

Whichever method you choose, the IRS requires contemporaneous records. For mileage, keep a log showing date, destination, purpose, and odometer readings. For insurance, keep premium statements and records showing the business-use percentage. Without these, you risk disallowing the deduction if questioned.

Special cases and exceptions

Military reservists and performing artists: Some taxpayers can deduct unreimbursed employee expenses, including a portion of auto insurance, under specific sections. The standard mileage rate is generally not available for employee commuting, but certain employee-related vehicle expenses can still be deducted on Form 2106 if they are not reimbursed.

Rideshare and delivery drivers: If you drive for a platform, you can choose between the standard mileage rate and actual expenses. If you choose actual expenses, insurance premiums — including a proportional share of personal policy premiums — become deductible.

Tax planning tips

To decide which method benefits you more, run both scenarios. Multiply your deductible miles by the standard rate, then compare that total to the business percentage of your insurance premiums plus other vehicle costs. The larger number is your deduction. Keep in mind that depreciation recapture can affect the actual expense method if you later sell the vehicle.

Bottom line

If you are deducting mileage using the standard rate, you are not also deducting auto insurance separately for those same miles. If you switch to the actual expense method, insurance premiums become deductible as part of your total vehicle costs. The decision depends on your records, your vehicle costs, and which method produces the larger deduction. When in doubt, consult a tax professional who can model both approaches for your specific situation.