EV vs petrol for business use: tax, FBT, and fleet savings
For business owners and employees with company cars, tax treatment can make EVs dramatically more attractive than their sticker price suggests.
Why business use changes the EV calculation
When an EV is used for business purposes, several tax advantages can apply that do not exist for private buyers. These can substantially reduce the effective cost of the vehicle and shift the break-even point significantly closer to the date of purchase.
Australia: FBT exemption for EVs
In Australia, eligible EVs provided as a fringe benefit (including through a novated lease) are exempt from fringe benefits tax provided the car's purchase price is below the luxury car tax threshold ($91,387 in 2025-26). For employees in the 37 to 47 percent tax bracket, a novated lease on an EV can reduce the effective cost by 30 to 40 percent compared to a private purchase and running costs paid from after-tax income.
The Australian FBT exemption covers not just the car but also associated costs: registration, insurance, servicing, and charging at home. Home charging infrastructure may also be included if it is part of the novated lease arrangement.
United Kingdom: company car benefit-in-kind
In the UK, company car benefit-in-kind tax is charged as a percentage of the car's list price, multiplied by the employee's income tax rate. For EVs, the BIK rate is 2 percent in 2025-26, compared to 20 to 37 percent for petrol cars depending on CO₂ emissions. On a £50,000 car for a 40 percent taxpayer, this means annual BIK tax of £400 for an EV versus £4,000 to £7,400 for a petrol equivalent.
United States: Section 179 and MACRS depreciation
US businesses can deduct the full purchase price of qualifying EVs in the year of purchase under Section 179, subject to annual limits. Additionally, the $7,500 federal tax credit applies to business purchases where the vehicle meets eligibility criteria. Combined with the fuel and maintenance savings, the total financial case for business EV adoption is often stronger than personal use.
Fleet considerations
For fleets running multiple vehicles, the per-vehicle savings compound quickly. A 10-vehicle fleet switching from petrol to EV at 30,000 km per year per vehicle, saving $3,000 per vehicle annually, generates $30,000 in fuel savings per year before any tax treatment. Most fleet managers now run total cost of ownership models rather than purchase price comparisons.
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