A work vehicle can be one of the bigger running costs in a small business, especially for trades, mobile service providers and operators who spend their week moving between clients. But can businesses claim vehicle costs? Usually, yes – to the extent the vehicle is used to earn business income. The key is separating genuine business travel from private use and keeping records that support the claim.
This sounds straightforward until personal and business driving overlap. A ute used for site visits may also be used for weekend errands. A company car may be available to a director after hours. Getting the treatment right protects your deduction, keeps GST reporting cleaner and reduces the chance of an unpleasant surprise if the ATO asks questions.
Can businesses claim vehicle costs in Australia?
A business can generally claim the business-use portion of vehicle expenses. That can include a car, van, ute, motorcycle or other vehicle used in the course of running the business. The available method and the records required depend on who owns the vehicle and how the business is structured.
For a sole trader or partnership, the usual question is how much of the vehicle use relates to earning income. For a company or trust, the vehicle may be owned by the entity and provided to an employee, director or beneficiary. In that situation, private availability and private use can create fringe benefits tax obligations, even where the vehicle is mostly used for work.
A deduction is not a reward for owning a business vehicle. It needs a clear connection to business activity. Driving from your workshop to a client, collecting materials, visiting a supplier or travelling between jobs is generally business travel. The usual trip from home to a regular workplace is generally private, even if you take a few calls on the way.
Start with the ownership and use of the vehicle
Before entering expenses into Xero or preparing a tax return, establish three facts: who owns the vehicle, who uses it and what proportion is genuinely for business. These details determine the right approach.
If you are a sole trader using your own car, you may be able to claim using the cents per kilometre method or the logbook method. The cents per kilometre method is simpler, but it has an annual kilometre limit and uses a rate set by the ATO. It is often suitable where business travel is modest and records are clear.
The logbook method is usually more useful when business travel is substantial or the vehicle has higher running costs. A valid logbook establishes the business-use percentage, which can then be applied to eligible expenses. It must cover a continuous 12-week period and can generally be relied on for up to five years, provided the pattern of use does not materially change.
For a vehicle owned by a company or trust, the entity may claim its eligible costs. However, the private component cannot simply be ignored. Depending on the vehicle and circumstances, the business may need to deal with fringe benefits tax, obtain employee contributions or adjust the claim. This is an area worth getting right early, particularly where directors take vehicles home.
Which vehicle expenses can be claimed?
Where the logbook method or actual-cost approach applies, the business-use percentage may be applied to running costs and ownership costs. Common examples include fuel, servicing, repairs, registration, insurance, tyres, cleaning, loan interest and lease payments.
The purchase price of the vehicle is treated differently. It is generally claimed over time through depreciation, unless a current small business concession allows an immediate deduction. Eligibility, thresholds and timing rules can change, so do not assume that a vehicle purchase will always be fully deductible in the year you buy it.
If the vehicle is financed, the interest component may be deductible to the business-use extent, but loan principal repayments are not an immediate deduction. Similarly, a lease arrangement, hire purchase agreement and outright purchase can each produce a different tax outcome. The paperwork matters.
There can also be limits for passenger cars. The car limit may restrict the amount used to work out depreciation and certain other claims. Commercial vehicles are not automatically exempt from careful record-keeping just because they are used for work.
Keep records that tell a clear story
Good vehicle claims are built on ordinary, consistent records rather than a scramble at tax time. Keep invoices and receipts for expenses, finance documents, registration papers, odometer readings and, where required, a compliant logbook.
Your logbook should record the date, odometer readings at the start and finish, kilometres travelled and the business purpose of each journey. “Meeting” is vague. “Site inspection at Mount Barker client” or “Collected materials from supplier” is clearer and more useful.
For cents per kilometre claims, retain a reasonable basis for the kilometres claimed. A diary, calendar, job schedule, invoice addresses and appointment records can all help demonstrate the calculation. You do not need to record every trip in a formal logbook for this method, but the number still needs to be defensible.
A clean system also makes BAS preparation easier. Rather than coding every petrol purchase as fully business-related by default, apply the correct business percentage consistently. This gives you reporting you can actually use, not expenses that look better on paper than they are in reality.
GST on vehicle costs needs the same discipline
If your business is registered for GST and the vehicle is used in making taxable sales, you may generally claim GST credits for the business-use portion of eligible vehicle expenses. That includes many operating costs and, in some cases, the purchase of the vehicle.
The same private-use principle applies. If a vehicle is used 70 per cent for business and 30 per cent privately, the GST credit generally needs to reflect the 70 per cent business use. There are also special rules and limits for passenger vehicles, particularly around the purchase price.
Do not claim GST credits when buying from a seller who has not charged GST, such as many private sellers. The tax invoice is part of the evidence. If the records do not show GST, check the transaction before including it in your BAS.
Common mistakes that cost businesses money
The most common error is treating all vehicle costs as deductible because the vehicle has business signage or is parked at the business premises. Signage may support the business purpose, but it does not turn a private trip into a business trip.
Another issue is claiming travel from home to a regular place of work. There are limited exceptions, such as travelling between workplaces, carrying bulky tools where there is no secure storage at the workplace, or operating an itinerant business. These exceptions are fact-specific, so they should not be assumed.
Business owners can also overlook private use of a company vehicle. A vehicle garaged at a director’s home and available for personal trips needs closer attention than a vehicle left at a locked worksite and used only for jobs. The distinction affects both the tax deduction and potential fringe benefits tax treatment.
Finally, avoid using estimates that have no supporting records. A rounded figure for fuel or an assumed 80 per cent business use may feel reasonable, but it is difficult to support later. Accurate records usually produce a better result than a broad estimate anyway.
A practical approach before the next BAS
Set the vehicle up properly from the beginning. Decide whether it is personally owned or owned by the business, record its opening odometer reading, keep the purchase and finance documents, and choose the record-keeping method that fits how it is used. Review the business-use percentage if your work pattern changes.
For businesses with several vehicles, drivers or mixed personal use, a clear policy is worthwhile. Explain who can drive each vehicle, whether private use is permitted, how fuel cards are used and where mileage is recorded. It creates accountability without making daily operations harder.
Vehicle claims are not about claiming every dollar that passes through the fuel card. They are about claiming the right business portion with records that stand up. Tidy systems now mean cleaner BAS reporting, more reliable numbers and fewer surprises when your tax return is prepared.




