Hi,
Most business owners assume that purchasing a vehicle through the company automatically creates a tax deduction that saves them thousands. However, after the purchase, many realize that this myth has significantly reduced the write-off they expected.
A company-owned vehicle used 60% for qualified business purposes is not automatically 100% deductible. Personal driving remains personal, and travel between your home and regular workplace is generally treated as nondeductible commuting.
The method used to calculate the deduction also matters.
Under the standard mileage method, qualified business miles are multiplied by the applicable IRS rate. Under the actual-expense method, the business-use percentage is applied to costs such as fuel, insurance, repairs, registration, lease payments, and depreciation. You generally cannot use both methods to deduct the same expenses for the same vehicle and year.
And there are much more nuances to it:
- Heavy SUVs create another common misconception. A gross vehicle weight rating above 6,000 pounds may change how certain depreciation limitations apply, but it does not guarantee a full deduction.
- Section 179 and bonus depreciation may provide substantial first-year tax savings. However, the result depends on the vehicle classification, acquisition and service dates, taxable income, business-use percentage, and the passenger-automobile limitations under IRC § 280F.
- Documentation is equally important. Vehicle expenses are subject to strict substantiation requirements under IRC § 274. Without a contemporaneous mileage log showing the date, destination, mileage, and business purpose of each trip, an otherwise valid deduction may not survive IRS scrutiny.
- Electric vehicles are also no longer an automatic source of federal tax credits. The federal credits for new, used, and qualified commercial clean vehicles are generally unavailable for vehicles acquired after September 30, 2025.
The most valuable vehicle tax decisions are made before the purchase or lease is signed. Once the vehicle has been acquired and used, many of the available planning options are already fixed.
If you are considering purchasing, leasing, or transferring a vehicle to your business, reply to this email by Friday. We will schedule a complimentary 15-minute call with one of our senior tax advisor to compare the available deduction methods and calculate which strategy may produce the strongest tax result.
Sincerely,
—
George Dimov, CPA
Licensed and Insured
(833) 829-1120 toll free
(212) 994-8081 Fax
www.dimovtax.com