Mileage
Vehicle Expenses for Self-Employed Canadians: What to Track
Self-employed Canadians may be able to claim the business portion of vehicle costs, but eligibility depends on the vehicle, business use and supporting records.
If you are self-employed in Canada, you may be able to claim the business portion of vehicle expenses when you use a vehicle to earn business income. The amount you can report depends on the facts of your situation, the type of vehicle, the expenses paid and the quality of your mileage and receipt records. The Canada Revenue Agency (CRA) motor vehicle expenses guidance explains the general rules and points to the forms used to calculate the claim.
What are vehicle expenses for self-employed Canadians?
Vehicle expenses are costs connected with operating a vehicle used to earn business income. Depending on your circumstances, potentially relevant costs may include fuel, oil, electricity for a zero-emission vehicle, insurance, licence and registration fees, repairs, maintenance, interest on money borrowed to buy the vehicle and leasing costs. The CRA lists these categories in its Guide T4002 chapter on business expenses.
Capital cost allowance, or CCA, is treated separately from many operating costs. If applicable, it is entered on a different line of the relevant business form. Passenger vehicles and zero-emission passenger vehicles can also have specific limits affecting CCA, interest and leasing costs, so the vehicle classification matters.
This does not mean every driving cost is automatically deductible. The CRA says that when a vehicle is used for both business and personal purposes, only the part connected with earning income can generally be claimed. Business parking fees and supplementary business insurance may be treated differently under the CRA guidance.
How to calculate the business portion
The basic approach is to determine the percentage of total kilometres driven for business and apply that percentage to eligible vehicle expenses. Your records should show both:
- the total kilometres driven during the relevant fiscal period; and
- the kilometres driven to earn business income.
A simple calculation is:
Business-use percentage = business kilometres ÷ total kilometres
Business portion of eligible expenses = business-use percentage × eligible vehicle expenses
The CRA page on calculating motor vehicle expenses confirms that only the part of expenses paid to earn income can generally be deducted when a vehicle has both business and personal use.
Practical example
Suppose a self-employed designer drives 18,000 kilometres during the fiscal period. The designer’s records show that 6,000 kilometres were for business travel. The business-use percentage is 6,000 ÷ 18,000, or one-third.
If the designer has $4,500 of eligible vehicle expenses for the period, the business portion would be calculated as one-third of those expenses, subject to the applicable CRA rules and any limits that apply to the vehicle or expense category. This example shows the method only; it does not determine whether a particular person is eligible to claim every cost included in the calculation.
Which vehicle costs may be relevant?
The following categories may be relevant when calculating vehicle expenses for a self-employed business:
- Fuel, oil or electricity: Keep receipts or other supporting documents that identify the purchase and amount paid.
- Repairs and maintenance: Keep invoices for servicing, repairs, parts and maintenance work.
- Insurance: Vehicle insurance connected with business use may form part of the calculation, while the business and personal portions still need to be considered.
- Licence and registration: Keep documentation for amounts paid during the fiscal period.
- Interest: Interest on money borrowed to buy a vehicle used to earn income may be relevant, but passenger vehicles and zero-emission passenger vehicles can be subject to limits.
- Leasing costs: Lease costs may be relevant for a passenger vehicle used to earn income, but special calculations and limits can apply.
- Parking: Business-related parking fees may be fully claimable under the CRA guidance, provided the expense relates to business activity and is supported by records.
Do not assume that the purchase price of a vehicle is handled like fuel or repairs. A vehicle is generally a capital asset, so CCA and other rules may apply. The CRA also distinguishes between motor vehicles, passenger vehicles, zero-emission vehicles and zero-emission passenger vehicles. Review the vehicle definitions and expense information in Guide T4002 before deciding how to classify a vehicle.
Why the vehicle type matters
Vehicle classification can affect the calculation. For example, a car, many sport utility vehicles and some pick-up trucks may fall within the passenger-vehicle rules, depending on how the vehicle is designed and used. Some passenger vehicles have limits on CCA, interest and leasing costs.
The CRA’s vehicle-definition chart is not a complete answer for every fact pattern. Seating, design, the vehicle’s use and the percentage of business use in the year it was bought or leased can be relevant. If the classification is unclear, consider obtaining professional tax advice before preparing the claim.
What mileage records should you keep?
The CRA identifies an accurate logbook maintained for the full year as strong evidence of business use. For each business trip, record:
- the date;
- the destination;
- the business purpose; and
- the number of kilometres driven.
You should also record the odometer reading at the beginning and end of the fiscal period. If you buy, sell, trade or change vehicles during the period, record the date of the change and the odometer reading at that time. The CRA motor vehicle records page provides these record-keeping details.
A mileage app can help you capture trips as they happen, but an app does not replace your responsibility to record accurate information. Review entries regularly so that destinations and business purposes remain understandable later.
Full and simplified logbooks
The CRA allows a simplified logbook approach in some circumstances. You can maintain a full logbook for one complete year to establish a base year for business use. In a later year, a three-month sample logbook may be used to estimate annual business use if the vehicle’s use remains representative and falls within the CRA’s stated range compared with the base year.
This approach is not a shortcut for every situation. If your work pattern changes significantly, the base year may no longer represent normal use. In that case, the CRA guidance indicates that actual travel records or alternative records may be needed, and a new full-year base logbook may be appropriate.
Business trips versus personal driving
A trip should have a clear connection to earning business income before you include it in business kilometres. Examples may include travelling to meet a client, collect supplies, deliver products or attend a business-related location. The business purpose should be specific enough that another person reviewing the log could understand why the trip occurred.
Personal errands, leisure trips and other non-business driving belong in total kilometres but not in business kilometres. If a trip combines business and personal purposes, keep a reasonable record of the business portion and explain the business purpose.
Travel between home and a regular place of business can require careful consideration. Do not label every trip starting or ending at home as business travel. Eligibility depends on the nature of your work, your business location and the facts of the trip.
Record-keeping checklist
Use this checklist throughout the year:
- Record the vehicle’s odometer reading at the start of the fiscal period.
- Record the vehicle’s odometer reading at the end of the fiscal period.
- Log the date, destination, purpose and kilometres for every business trip.
- Separate business kilometres from personal kilometres.
- Keep fuel, charging, repair, maintenance, insurance, registration and parking receipts.
- Keep loan statements or other documents supporting vehicle interest.
- Keep lease agreements and payment records if the vehicle is leased.
- Record the date and odometer reading when a vehicle is bought, sold, traded or replaced.
- Maintain separate records for each vehicle used in the business.
- Keep your calculations showing how you determined the business-use percentage.
- Save copies of supporting documents in an organized location.
The CRA says vehicle expenses must be reasonable and supported by receipts. Records should be detailed enough to connect the expense to the vehicle and the business-use calculation. Record retention requirements can apply for several years, including to a full-year logbook used as a base year, so do not discard records simply because the tax return has been filed.
How to report the information
For business or professional income, vehicle expenses are generally calculated using the relevant chart on Form T2125, Statement of Business or Professional Activities. The CRA’s motor vehicle expenses page identifies Form T2125 and Guide T4002 as key references. Partnerships, farming businesses and fishing businesses can involve different forms or lines.
If you are a GST/HST registrant and claim an input tax credit for GST/HST paid on a business expense, the expense amount used for income-tax purposes may need to be reduced by the related input tax credit. Review the CRA guidance for your reporting situation rather than recording the same tax amount twice.
Common mistakes to avoid
- Estimating kilometres at year-end: Reconstructed mileage may be less persuasive than timely records.
- Tracking only business kilometres: You also need total kilometres to calculate the business-use percentage.
- Using one record for several vehicles: The CRA says expenses and kilometre records should be kept separately for each vehicle.
- Claiming the full cost of a mixed-use vehicle: Personal use generally needs to be excluded.
- Ignoring vehicle classification: Passenger-vehicle limits may affect interest, leasing costs or CCA.
- Saving receipts without explanations: A receipt may show what was purchased, but the mileage log helps show how the cost relates to business use.
Your next step
Start by choosing one vehicle and recording its current odometer reading. Then create a mileage record with four fields for every business trip: date, destination, purpose and kilometres. At the same time, upload vehicle receipts and label them by expense type. At the end of each month, compare your total and business kilometres and update your running calculation.
TiKi Tax can help you organize receipts, track mileage and prepare clearer records for tax time. Use the CRA guidance to review whether your vehicle use and supporting documents fit your circumstances before reporting any amount.
Educational information only. This article is not tax, accounting or legal advice, and it does not confirm eligibility for any deduction, refund, tax saving or filing position. CRA rules can depend on your specific facts and records.