Mileage vs Actual Vehicle Expense Break-Even (2026)

The 2026 IRS standard mileage rate is $0.70 per business mile. Actual expense method totals gas, insurance, repairs, depreciation (or lease), registration, and tolls, then deducts the business-use percentage. Newer, more expensive vehicles often favor actual expense; older paid-off fuel-efficient vehicles usually favor mileage. The choice you make in year 1 locks in the available switching options.

When Each Method Wins

Standard mileage usually wins for: paid-off vehicles, fuel-efficient cars (hybrids, EVs), high-mileage low-cost vehicles, and anyone who drives a lot of business miles in a relatively inexpensive car. Actual expense usually wins for: leased vehicles (lease payments fully deductible at business-use %), newer luxury vehicles (high depreciation), trucks/SUVs over 6,000 lbs GVWR (eligible for Section 179 + bonus depreciation), and high-repair-cost vehicles. Track both methods carefully in year 1 — your choice there affects what's available later.

The Year-1 Election Trap

You must elect standard mileage in the FIRST year the vehicle is placed in service for business. If you start with actual expense (or claim Section 179 / bonus depreciation), you can NEVER switch to standard mileage on that vehicle. If you start with standard mileage, you can later switch to actual but only using straight-line depreciation (no accelerated methods). Most accountants recommend modeling both methods in year 1 — if actual is close to mileage or only slightly higher, choose mileage to preserve flexibility. If actual is dramatically higher (luxury vehicle, lease, heavy-vehicle Section 179), choose actual.

Last updated May 2026. Sources: IRS Standard Mileage Rates.