The Australian Taxation Office (ATO) has released the Draft Income Tax Assessment (Cents per Kilometre Deduction Rate for Car Expenses) Determination 2026, confirming updated rates for work-related car expense deductions.
These changes are relevant for taxpayers who use the cents per kilometre method to claim motor vehicle deductions in their individual income tax returns.
For the 2026–27 income year, the ATO has set the cents per kilometre rate at:
This represents a temporary uplift of 2 cents per kilometre above the base rate of 89 cents per kilometre.
The 91 cents per kilometre rate includes a one-off adjustment for the 2026–27 income year only.
From 1 July 2026, the underlying base rate will be:
For future income years, the cents per kilometre rate will be updated annually based on indexation applied to this base rate.
The cents per kilometre method allows individuals to claim a deduction for work-related car use using a simple formula:
Work-related kilometres × ATO cents per kilometre rate
This rate is designed to cover all typical vehicle running costs, including:
If you use this method, you cannot claim additional car expenses separately.
The cents per kilometre method is capped at 5,000 business kilometres per car per income year.
Based on the 2026–27 rate, the maximum deduction per vehicle is:
5,000 km × 91 cents = $4,550
While a logbook is not required, taxpayers must be able to demonstrate how business kilometres were reasonably calculated.
Supporting records may include:
The ATO may request evidence to substantiate claims, so accurate records are important.
This method is generally most suitable for individuals who:
Taxpayers with higher business travel or significant motor vehicle costs may benefit from considering the logbook method instead.
Understanding which car expense method to use can make a meaningful difference to your tax outcome.
If you need assistance with work-related car deductions or general tax advice, contact Gavin Ma & Co for professional support.
This article is provided for general information purposes only and is based on draft ATO legislation at the time of publication. Final legislation or determinations may change. You should seek professional advice tailored to your circumstances before acting on any information contained in this article.