Standard Mileage vs Actual Expenses: How to Choose
The standard mileage rate usually wins for high-mileage driving in an inexpensive car; actual expenses usually wins for an expensive vehicle driven relatively few business miles. The gap between them is often thousands of dollars, and the choice is not entirely reversible.
A driver with 12,000 business miles deducts $8,945 under the standard rate. To beat it with actual expenses at 70% business use, that car would have to cost more than $12,779 a year to run.
How it's calculated
Both methods deduct the same thing — the cost of driving for business — by different routes.
The standard mileage rate multiplies business miles by the IRS figure, which for 2026 is 72.5 cents through June 30 and 76 cents from July 1. That rate is designed to cover fuel, insurance, repairs, tyres, registration, and depreciation in one number, so you deduct it and nothing else.
The actual expense method adds up what the vehicle genuinely cost for the year — fuel, insurance, repairs, maintenance, registration, and depreciation or lease payments — and deducts the business-use share. If 70% of your driving was for business, you deduct 70% of the total.
The arithmetic that decides it is simple once you frame it correctly. Divide your standard mileage deduction by your business-use percentage, and that is the annual running cost your vehicle must exceed for actual expenses to win. At 12,000 business miles the standard deduction is $8,945; at 70% business use, actual expenses only beat it if the car costs more than $12,779 a year all-in. An economy car with the loan paid off rarely comes close. A three-year-old luxury vehicle losing $6,000 a year in depreciation, with high insurance, often clears it comfortably.
That is why the answer splits so cleanly by work type. Delivery and rideshare drivers, who put 15,000 to 30,000 miles a year on a cheap, reliable car, are almost always better off with the standard rate. A consultant driving 4,000 business miles a year in a new SUV frequently is not.
The rule that catches people is about order, not amount. To use the standard mileage rate for a vehicle at all, you must choose it in the first year that vehicle is used for business. Take actual expenses in year one and you are locked out of the standard rate for that car permanently. The reverse is allowed: start with the standard rate and you may switch to actual expenses in a later year. Given that asymmetry, starting with the standard rate keeps both options open, which is usually the better default in year one even when actual expenses would win by a little.
A few more constraints worth knowing. If you lease, whichever method you choose in the first year applies for the whole lease term. If you claimed certain accelerated depreciation on the vehicle, the standard rate is unavailable. And switching to actual expenses after years of standard mileage requires adjusting your depreciation basis, because the standard rate included a depreciation component all along.
Whichever method you use, the record-keeping requirement is the same: a contemporaneous log of business miles with dates, destinations, and purpose. Actual expenses additionally requires every receipt. That practical difference is why many drivers who would win slightly on actual expenses still choose the standard rate.
A worked example
A contractor drives 12,000 business miles in 2026 — 5,000 before July and 7,000 after — for a standard deduction of $8,945. Their car cost $6,800 to run for the year in fuel, insurance, and repairs, and 70% of its use was business, so the actual-expense deduction is $4,760.
Standard mileage wins by $4,185. For actual expenses to have won, the car would have needed to cost more than $12,779 for the year at that same 70% business use.
If they had claimed actual expenses in the car's first business year, they would have locked in the weaker method for as long as they own it.
Common mistakes to avoid
- Taking actual expenses in the first year without realising it is permanent for that vehicle. You can move from standard mileage to actual expenses later, but never the other way round.
- Comparing the two methods without dividing by business-use percentage. Actual expenses are deducted only at the business share, so the raw total is not comparable to the standard deduction.
- Forgetting depreciation in the actual-expense total. For a newer vehicle it is usually the largest single component, and leaving it out makes actual expenses look far weaker than it is.
- Claiming both. The standard rate already includes fuel, insurance, maintenance, and depreciation — you cannot add them on top.
- Choosing actual expenses without keeping receipts. The method requires substantiating every cost, not estimating them at filing time.
Frequently asked questions
Is standard mileage or actual expenses better?
Standard mileage usually wins for high-mileage driving in an inexpensive or paid-off car, which covers most delivery and rideshare work. Actual expenses usually wins for an expensive or newer vehicle driven relatively few business miles, where depreciation and insurance dominate. The test: divide your standard mileage deduction by your business-use percentage — that is the annual running cost your vehicle must exceed for actual expenses to win.
Can I switch from actual expenses to the standard mileage rate?
No, not for the same vehicle. You must use the standard mileage rate in the first year a vehicle is used for business if you want it available at all. Claiming actual expenses in that first year permanently forfeits the standard rate for that car. Switching the other way — standard mileage first, actual expenses later — is allowed, which is why starting with the standard rate keeps your options open.
What counts as an actual vehicle expense?
Fuel, insurance, repairs and maintenance, tyres, registration and licence fees, and either depreciation on a vehicle you own or the payments on one you lease. Interest on a car loan is deductible for the business-use share as well. You deduct the business-use percentage of the total, so a car used 70% for business yields 70% of these costs — and every one of them needs a receipt.
Which method should a delivery or rideshare driver use?
Almost always the standard mileage rate. Gig driving generates very high mileage in vehicles chosen for low running costs, and at 20,000-plus business miles the standard deduction is difficult for actual costs to beat. The exception worth checking is a newer vehicle where first-year depreciation is large — run both in the calculator above before deciding, and remember the first-year choice is one-way.
Do I need receipts for the standard mileage rate?
Not for vehicle costs, but you do need a mileage log: dates, business miles, destinations, and purpose, recorded contemporaneously. That lighter record-keeping is a real advantage of the method. Actual expenses requires the mileage log as well — to establish your business-use percentage — plus a receipt for every cost you deduct.
Sources
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