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Business Vehicles: Separating Tax Facts from Fiction
Vehicle expenses are one of the most common topics we discuss with business owners. Unfortunately, they are also one of the areas where tax myths seem to spread the fastest. We’ve heard everything from “just put it through the company” to “buy a truck and write the whole thing off.”

The reality is that vehicle deductions can provide significant tax savings, but only when they’re structured properly and supported by good records. Let’s bust a few of the most common myths we hear.
Myth #1: If I Own a Business, I Can Write Off My Entire Vehicle
Fact: You can generally only deduct the business-use portion of your vehicle expenses.
Whether you are self-employed or incorporated, CRA expects personal driving and business driving to be separated.
Driving to meet clients, visit job sites, or travel between business locations may qualify as business use.
Driving to the grocery store, taking the kids to hockey, or heading to the lake for the weekend does not suddenly become deductible because you own a business.
The key factor is how much of the vehicle’s use is related to earning business income.
Myth #2: The Corporation Should Always Own the Vehicle
Fact: Corporate ownership is not always the best option.
One of the first questions we ask is whether the business owner is self-employed or incorporated.
For self-employed individuals, the process is often relatively straightforward. Vehicle expenses are claimed based on business-use percentages and supported by a mileage log.
For incorporated business owners, there may be several options available, including:
- Personal ownership with mileage reimbursement
- Corporate ownership
- Leasing arrangements
- Hybrid approaches depending on vehicle use
Each option has different tax implications, and the “best” choice depends on your circumstances.
The answer is rarely automatic.
Myth #3: If the Corporation Owns the Vehicle, Everything Is Tax-Free
Fact: Personal use of a corporate vehicle can create taxable benefits.
This is one of the most misunderstood areas of vehicle taxation.
When a corporation owns a vehicle and the owner or employee uses it personally, CRA may assess taxable benefits such as:
- Standby charges
- Operating benefits
- Shareholder benefits
The result is that a vehicle that seemed like a great tax strategy can sometimes generate unexpected taxable income.
This is why mileage tracking remains important even when the corporation owns the vehicle.
Myth #4: I Don’t Need a Mileage Log
Fact: A mileage log is one of the most important pieces of documentation you can maintain.
When CRA reviews vehicle expenses, one of the first questions is often:
“How did you determine your business-use percentage?”
Without a mileage log, many business owners struggle to support their claim. Good records don’t need to be complicated, but they do need to exist.
Myth #5: Leasing Is Always Better for Tax Purposes
Fact: The best tax deduction does not always mean the best financial decision.
Many business owners are told that leasing is “better because it’s fully deductible.”
While lease payments may often be easier to deduct than a purchased vehicle, that does not automatically make leasing the better option.
When comparing leasing versus purchasing, considerations include:
- How long you typically keep vehicles.
- Annual kilometres driven.
- Cash flow requirements.
- Financing costs.
- Expected resale value.
- Corporate versus personal ownership.
- Available tax deductions and limits.
In some situations, leasing may provide flexibility and predictable monthly costs. In others, purchasing may result in lower overall costs over the life of the vehicle.
The Bottom Line
Vehicle deductions can be valuable, but they are rarely as simple as the myths suggest. Before purchasing a vehicle, transferring one into a corporation, or claiming significant vehicle expenses, it is worth taking a few minutes to understand your options. We’d be happy to help you evaluate the options and determine what makes the most sense for your situation. At Accent CPA, we’re here to provide trusted advice and personal service every step of the way.
