You can use your personal vehicle for LLC business without transferring the title, and the IRS lets you deduct the business portion either through a per-mile rate or through actual operating costs. For 2026, the standard business mileage rate is 72.5 cents per mile. The catches are real though: you have to log your trips, carry the right insurance, and keep personal and business use separated well enough that your LLC’s liability protection holds up if it ever gets tested.
Title in Your Name or in the LLC’s Name
Most owners leave the car titled personally and just track business miles. It’s the simpler path. You skip DMV transfer fees, your personal auto loan and registration stay untouched, and the vehicle stays off the LLC’s books. The IRS does not require the LLC to own the car for you to claim business deductions. What matters is documented business use.
Retitling the vehicle in the LLC’s name is the other option. It makes the business-use math cleaner and puts the asset squarely inside the entity, which can strengthen your liability shield. The downsides are practical. Most states charge a title transfer fee, your personal auto loan may not permit a transfer without refinancing, and some states assess sales tax on the transfer even when a single person owns the LLC. Check your state’s DMV rules and your lender’s policy before you start the paperwork.
Which Miles Count as Business Driving
Not every work trip is deductible, and the line between commuting and business travel is where a lot of deductions get lost in an audit.
Driving from home to a regular office or workspace is commuting. Commuting miles are never deductible, even if you take business calls on the way or stop for supplies.1Internal Revenue Service. Publication 15-B, Employer’s Tax Guide to Fringe Benefits Once you arrive at your regular work location, trips from there to client sites, a second office, a vendor, or the bank are deductible.
A qualifying home office changes the math. If your home office is your principal place of business, every trip from home to a business destination is deductible from the first mile.2Internal Revenue Service. Publication 463, Travel, Gift, and Car Expenses For a member who works from home and drives to meetings, job sites, and errands for the business, this can add hundreds of deductible miles a month that would otherwise count as commuting.
If you have neither a regular office nor a qualifying home office, the IRS treats your first stop of the day as commuting. Only trips between business locations during the day count, and the drive home from your last stop is personal.
Standard Mileage Rate or Actual Expenses
The IRS gives you two ways to calculate the deduction.2Internal Revenue Service. Publication 463, Travel, Gift, and Car Expenses Which one wins depends on the vehicle, your costs, and how much recordkeeping you’re willing to do.
Standard Mileage Rate
For 2026, the rate is 72.5 cents per business mile.3Internal Revenue Service. IRS Sets 2026 Business Standard Mileage Rate at 72.5 Cents Per Mile, Up 2.5 Cents Multiply business miles by the rate, and that’s your deduction. The rate is built to cover everything: fuel, insurance, maintenance, depreciation, registration. Parking and tolls can be deducted on top of it. Nothing else can.
One timing rule catches people. If you own the vehicle, you have to choose the standard mileage rate in the first year you use it for business. After that first year, you can switch between methods.3Internal Revenue Service. IRS Sets 2026 Business Standard Mileage Rate at 72.5 Cents Per Mile, Up 2.5 Cents Start with actual expenses, and the standard mileage rate is off the table for that vehicle permanently.
Actual Expense Method
Under the actual expense method, you deduct real operating costs: gas, oil changes, tires, repairs, insurance, lease payments, and registration. Total those costs for the year, then multiply by your business-use percentage, which is business miles divided by total miles. Drive 18,000 miles total with 12,000 for business, and your business-use percentage is 66.7%. You deduct that share of every qualifying cost.
This method usually beats the mileage rate for expensive vehicles, vehicles that eat repairs, or vehicles driven heavily for the business. It also requires much more paperwork, because you need receipts for every expense.
Writing Off the Vehicle Itself in Year One
When you use the actual expense method, depreciation on the vehicle becomes the biggest piece of the deduction. Several overlapping rules control how much you can claim up front.
Passenger vehicles fall into a five-year recovery period under MACRS.4Internal Revenue Service. Publication 946, How To Depreciate Property Without any acceleration, you spread the cost over multiple years.
The One, Big, Beautiful Bill, signed on July 4, 2025, restored 100% bonus depreciation for qualifying property acquired after January 19, 2025.5Internal Revenue Service. One, Big, Beautiful Bill Provisions For a vehicle placed in service in 2026, that means you can potentially deduct the entire cost in year one, subject to the luxury auto caps below. You can also elect a 40% bonus deduction instead of the full 100% if spreading the write-off over more years is better for your situation.6Internal Revenue Service. Treasury, IRS Issue Guidance on the Additional First Year Depreciation Deduction Amended as Part of the One, Big, Beautiful Bill
Luxury Auto Caps
Passenger automobiles under 6,000 pounds gross vehicle weight have annual depreciation ceilings regardless of what bonus depreciation or Section 179 would otherwise allow. For vehicles placed in service in 2026:7Internal Revenue Service. Rev. Proc. 2026-15, Depreciation Limitations for Passenger Automobiles Placed in Service During Calendar Year 2026
- With bonus depreciation: $20,300 in year one, $19,800 in year two, $11,900 in year three, and $7,160 for each year after that until the vehicle is fully depreciated.
- Without bonus depreciation: $12,300 in year one, with the same caps in subsequent years.
So even with 100% bonus depreciation on the books, a $50,000 sedan generates only a $20,300 first-year depreciation deduction. The rest gets spread over later years.
Heavy Vehicles
Vehicles with a gross vehicle weight rating over 6,000 pounds are not subject to the luxury auto caps, which is why heavy SUVs and trucks are common business buys. SUVs between 6,001 and 14,000 pounds have their own $32,000 cap on the Section 179 deduction; the cost above $32,000 can still be depreciated using bonus depreciation and MACRS. Pickup trucks with a bed at least six feet long avoid the SUV cap entirely and can qualify for full first-year expensing.
All of these depreciation amounts get multiplied by your business-use percentage. A $60,000 SUV used 70% for business produces a $22,400 Section 179 deduction (70% of $32,000), not $32,000.
What the IRS Wants to See in Your Records
The IRS requires you to substantiate the amount, time, place, and business purpose of every vehicle expense you claim. A mileage log is the usual way — paper, spreadsheet, or a GPS app. Each entry should capture:2Internal Revenue Service. Publication 463, Travel, Gift, and Car Expenses
- The date of the trip
- The destination — city, town, or area
- The business purpose, briefly described (for example, “met with client about Q3 project”)
- The miles for that trip
- Odometer readings at the start and end of the year, so total annual mileage is on record
You do not have to log every trip the moment it ends. The IRS standard is a timely kept record, meaning entries made at or near the time of the trip. A weekly log that accounts for the week’s business driving satisfies the requirement.2Internal Revenue Service. Publication 463, Travel, Gift, and Car Expenses Reconstructing a year of trips from memory at tax time does not.
On the actual expense method, you also need receipts for every vehicle-related cost — fuel, repairs, insurance, registration, lease payments — showing date, vendor, amount, and what you paid for. Track total miles across business, personal, and commuting, because the IRS uses the ratio of business miles to total miles to check your business-use percentage.
Weak records in an audit can wipe out the whole vehicle deduction, and an accuracy-related penalty of 20% applies to any resulting tax underpayment.8Office of the Law Revision Counsel. 26 USC 6662 – Imposition of Accuracy-Related Penalty on Underpayments
Reimbursing Yourself Through the LLC
If your LLC has more than one member, or if you’ve elected S-corp tax treatment, the LLC can reimburse you for business vehicle expenses tax-free under an accountable plan. Without one, any reimbursement gets treated as taxable income and runs through payroll.
An accountable plan has to meet three federal requirements:9eCFR. 26 CFR 1.62-2 – Reimbursements and Other Expense Allowance Arrangements
- Business connection — the expenses relate to services performed for the LLC.
- Substantiation — you document each expense with the same detail the IRS would want for a direct deduction: date, amount, purpose, receipts.
- Return of excess — if the LLC advances more than you actually spend, you return the difference.
Substantiation counts as timely if you account for expenses within 60 days. Excess advances have to be returned within 120 days.2Internal Revenue Service. Publication 463, Travel, Gift, and Car Expenses Miss either deadline and the reimbursement converts to taxable wages.
For a single-member LLC taxed as a sole proprietorship, the accountable plan structure isn’t relevant. You claim the vehicle deduction directly on Schedule C. Accountable plans matter when the LLC is a separate tax entity from the person behind the wheel.
Insurance When Your Car Does Double Duty
Personal auto policies generally exclude coverage for accidents that happen during commercial use of the vehicle. The exact language varies by carrier, but using your car for client visits, deliveries, or hauling equipment without telling your insurer can give them grounds to deny a claim outright.
The simplest fix is a business use endorsement on your existing personal policy. You describe the driving you do and roughly how many business miles you drive, and the insurer adjusts the policy. Premiums go up, and you stay covered for routine business trips.
Heavier use — transporting goods for a fee, making deliveries, carrying passengers — usually calls for a full commercial auto policy. Commercial policies carry higher liability limits and can name the LLC as an insured, so the LLC itself has coverage if someone sues the business over an accident. A personal policy with a business endorsement generally does not extend coverage to the LLC entity.
Accuracy matters no matter what tier you buy. Understating business mileage or mischaracterizing what you actually do to lower the premium is material misrepresentation, and insurers can rescind the policy retroactively if they find out after a claim. That leaves you personally on the hook with no coverage.
Keeping Your LLC’s Liability Shield Intact
The main reason to form an LLC is to keep personal assets separate from business liabilities. Driving your personal car for business work creates exactly the kind of overlap that can weaken that separation if you’re sloppy about it.
Courts can pierce the veil of an LLC, meaning they set the entity aside and hold you personally liable, when the business and the owner look functionally identical. Commingling finances is one of the most common triggers. In the vehicle context, that might look like paying for business fuel on a personal card without tracking it, having the LLC pay your personal auto insurance, or keeping no records that separate business trips from personal ones.
The practical steps are simple:
- Keep a detailed mileage log that clearly separates business and personal driving.
- Pay business expenses from the LLC’s account, or reimburse yourself through a documented accountable plan.
- Carry adequate insurance with your business use properly disclosed.
- Maintain LLC formalities — keep records, file annual reports, and do not treat the LLC’s bank account as personal checking.
If you crash during a business trip and the other party sues, the LLC’s protection only holds up if you have actually treated the LLC as a separate entity. A mileage log, separate payment records, and proper insurance are not just tax paperwork. They are the evidence a court will look at when deciding whether your LLC is a real business or a name on a piece of paper.