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Claiming vehicle expenses

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If you have a vehicle that is only used for business, you can claim the full running costs as a business expense. If you use your vehicle for both business and personal trips you will need to work out how to allocate costs correctly.

There are two ways to do this – keeping a logbook or adding up the actual costs. 

We publish the kilometre rates after each tax year ends on 31 March. We usually publish the rates for the tax year just ended by May.

If your vehicle is petrol, diesel, hybrid or electric you can use either method. You need to continue to use one method for as long as you own the vehicle. If your vehicle isn’t petrol, diesel, hybrid or electric then you must use the actual costs method.

Logbook

You can keep a logbook to find out how much you usually use the vehicle for business. Use our kilometre rates to calculate the deduction for costs and depreciation for the business use of your vehicle.

When self-employed people use kilometre rates, GST does not need to be considered. Kilometre rates include depreciation. If you use this method you will not have a separate depreciation deduction or recovery of depreciation.

Kilometre rates for business use of vehicles

You can use kilometre rates to work out allowable expenses for business of a vehicle. Use the rates for the year you’re claiming.

Actual costs

You can keep track of the actual costs of running your vehicle and treat these as a business expense.

You need to keep accurate records including details of private and work-related expenses. These expenses could be buying petrol, getting a Warrant of Fitness, paying for maintenance, insurance, and parking. Your records need to show the reasons for all business travel, and the distances of all journeys.

You can also claim a deduction on any depreciation loss for the business use of your vehicle.