Mileage vs. Actual Vehicle Expenses for Self-Employed Taxpayers
Self-employed taxpayers who use a car, van, pickup, or panel truck for business generally have two ways to calculate eligible vehicle expenses: the standard mileage rate or the actual-expense method. The better choice depends on the vehicle, its business use, the costs incurred, and the method used in earlier years.
It is worth comparing both methods before filing. It is also important to make the comparison correctly. You cannot claim the standard mileage amount and then deduct the same fuel, repair, insurance, or depreciation costs again.
How the standard mileage method works in 2026
For business travel in 2026, the IRS rate depends on when the miles were driven:
January 1 through June 30, 2026: 72.5 cents per business mile
July 1 through December 31, 2026: 76 cents per business mile
The IRS revised the rate for the second half of 2026 because of increased fuel prices. That midyear change means a full-year mileage log should separate business miles driven before July 1 from those driven on or after July 1.
The standard mileage rate is designed to account for the operating costs of a qualifying vehicle, including an allowance for depreciation. Business-related parking fees and tolls may generally be deductible in addition to the mileage amount. Depending on the facts, the business share of car-loan interest and certain taxes may also be treated separately.
This method can be appealing when the mileage deduction is strong compared with actual costs or when the taxpayer wants simpler expense tracking. It does not eliminate the need for a mileage log.
How the actual-expense method works
Under the actual-expense method, you total eligible vehicle costs and deduct the business-use portion. Costs may include:
Gas and oil
Insurance
Repairs and maintenance
Tires
Registration fees and licenses
Lease payments
Depreciation, subject to applicable rules and limits
Business-related parking and tolls
If the vehicle is used for both business and personal trips, only the business portion is potentially deductible. A common way to determine that percentage is to divide business miles by total miles for the year.
Actual expenses can produce a larger deduction for a costly vehicle with high fuel, repair, insurance, lease, or depreciation costs. The tradeoff is more detailed recordkeeping, and depreciation choices can affect the vehicle’s tax basis and the tax result when it is sold or traded.
A practical comparison
Assume a self-employed taxpayer drives 12,000 eligible business miles during 2026: 5,000 miles from January through June and 7,000 miles from July through December.
The standard mileage calculation would be:
5,000 miles × $0.725 = $3,625
7,000 miles × $0.76 = $5,320
Total standard mileage amount = $8,945
Qualifying business parking and tolls could be added separately.
Now assume the vehicle was driven 18,000 total miles and had $14,000 of eligible actual costs for the year. Business use would be about 66.7%: 12,000 business miles divided by 18,000 total miles. Before considering vehicle-specific limits or separately treated items, about $9,333 of those costs would be allocated to business use.
In this example, actual expenses appear higher. That does not automatically make them the better long-term choice. The taxpayer must confirm which costs qualify, apply depreciation and other limits, and consider whether the method chosen now restricts future options.
Method-choice rules can matter for years
For an owned vehicle, a taxpayer who wants the option to use the standard mileage method generally must choose it in the first year the vehicle is available for business use. In a later year, the taxpayer may be able to switch to actual expenses, but depreciation must be handled under the applicable rules.
Using certain accelerated depreciation methods, a Section 179 deduction, or the special depreciation allowance can make the standard mileage method unavailable for that vehicle later.
For a leased vehicle, choosing the standard mileage method generally means using it for the entire lease period, including renewals. The standard mileage method also is generally unavailable when five or more cars are used at the same time, as in a fleet operation.
These rules are a good reason to review the choice before the first return involving a new business vehicle is filed.
Business mileage is not the same as commuting
The trip must be business-related to count. Driving from home to a regular place of business is generally personal commuting, even when the distance is long or work is discussed during the drive.
Travel between business locations can qualify. Additional exceptions may apply for trips to a temporary work location and for travel from a home that qualifies as the taxpayer’s principal place of business to another work location in the same trade or business.
Because small changes in the facts can change the result, describe the destination and business purpose in the mileage record instead of labeling every trip simply “business.”
Records needed under either method
For each business trip, keep a timely record of the date, destination, business purpose, and mileage. Retain total annual mileage and beginning- and end-of-year odometer readings. If using actual expenses, also keep receipts, invoices, statements, and payment records for vehicle costs.
Mileage apps can be helpful, but review the trips regularly. Automatic tracking may misclassify commuting, personal errands, or a stop that combines business and personal activity.
Which method should you choose?
The standard mileage method may fit when eligible business mileage is high, actual costs are moderate, and the vehicle qualifies. The actual-expense method may fit when business use is high and ownership or operating costs are substantial.
Before choosing, compare both methods and review:
The date the vehicle was first placed in business service
Whether it is owned or leased
Business miles, total miles, and commuting miles
Actual operating costs
Prior depreciation or Section 179 treatment
Whether several vehicles are used at the same time
Expected vehicle use in future years
The calculation is only part of the decision. Eligibility and future flexibility matter too.
Infinity Tax & Financial Services can review your vehicle records and help apply the rules to your situation. Learn more about our Tax Preparation services before making a method choice that may affect later years.