Mileage Deductions for Mobile Mechanics: 2026 IRS Rates and Rules

Updated 2026-10-17. Sources are listed at the end.

For a mobile mechanic, the van is the shop. Vehicle costs are one of your biggest expenses, and getting the deduction right matters. This is a summary of IRS guidance, not tax advice. Confirm your situation with a tax professional.

2026 rates: two rates this year

The IRS set different business rates for each half of 2026 (IRS, Standard mileage rates):

Because the rate changed mid-year, your mileage log needs dates. You’ll multiply first-half and second-half business miles by different rates. The IRS also points to Announcement 2026-11 for the split (IRS Topic 510).

Standard mileage vs actual expenses

The IRS lets self-employed people use either method (Topic 510):

• Standard mileage rate: business miles × the rate. Parking and tolls for business are deductible separately.
• Actual expenses: the business-use percentage of gas, oil, repairs, tires, insurance, registration, licenses and depreciation (or lease payments).

The IRS suggests figuring it both ways if you qualify for both.

Rules that trip people up (from Topic 510)

• First-year rule: to use the standard rate on a car you own, you must choose it in the first year the car is used in your business. After that, you can switch between methods year to year.
• Leased vehicles: if you choose the standard rate, you must use it for the entire lease, including renewals.
• You can’t use the standard rate if you operate five or more vehicles at once (a fleet), or if you’ve claimed Section 179, bonus depreciation, MACRS, or non-straight-line depreciation on that vehicle.
• If you switch from standard to actual later, depreciation must be straight-line over the remaining useful life.

A mechanic’s service van can be heavy and expensive, so the actual-expense method with depreciation can come out larger. It can also lock you out of the standard rate for that vehicle later. Ask a CPA before your first return with the vehicle.

What to log

For each business trip: date, start/end location or customer, purpose (job #), and miles. Keep fuel, repair, insurance and registration receipts too, even if you use the standard rate. They’re useful if you switch methods and for figuring your real cost per mile.

Use the rate in your pricing, too

The IRS rate is a handy stand-in for your true cost per mile until you have a year of real data. If you drive 15 miles each way to a job, that’s 30 miles × 76¢ = $22.80 of vehicle cost before any labor. That’s why many mobile operators charge a trip fee. See the mobile mechanic pricing formula and the free labor quote calculator.

Tools that track mileage

Accounting apps like QuickBooks include mileage tracking, and many field-service apps log trips per job. Whatever you use, make sure it timestamps trips so you can apply the right half-year rate.

If you’re weighing actual expenses plus depreciation instead, read tax deductions for tools and a service van first.

Your real per-mile cost belongs in your price too. Plug it into the labor rate calculator.

Sources

• IRS, Standard mileage rates: https://www.irs.gov/tax-professionals/standard-mileage-rates (reviewed July 28, 2026)
• IRS, Topic no. 510, Business use of car: https://www.irs.gov/taxtopics/tc510