EV running costs in Australia: what to budget beyond the purchase price

Energy

Charging cost depends heavily on where and when you plug in

Home charging is often the lowest-cost way to run an EV, particularly where an owner can use an off-peak electricity tariff or surplus rooftop solar. Public DC fast charging usually trades higher convenience and power for a higher per-kWh price.

Instead of comparing a petrol tank with one charging session, calculate energy cost over a month or year. Use your real kilometres, the vehicle's typical kWh per 100 km and the electricity prices you actually pay at home and on public networks.

Servicing

Fewer moving parts can reduce maintenance, but EVs are not maintenance-free

Australian Government EV guidance says EVs have fewer moving parts than petrol and diesel vehicles and can have materially lower servicing costs. They still require inspections and maintenance for brakes, tyres, suspension, cooling systems, filters, wipers, software and other vehicle-specific items.

Use the manufacturer's schedule for the exact model. A general claim about lower EV servicing costs does not replace the service plan for your vehicle.

Tyres

Tyres can be a meaningful ownership cost

EVs can be heavy and deliver strong torque, and some use larger or specialist tyre sizes. Tyre life varies substantially with vehicle design, alignment, pressure, driving style, road surface and tyre specification.

When comparing vehicles, price a replacement set of the tyres actually fitted to the model. A low service bill can be offset by expensive tyres if that cost is ignored.

Insurance

Insurance should be priced before the vehicle is purchased

Insurance is one of the ownership costs most likely to vary by driver and vehicle. Premiums can differ materially between EV models even when their purchase prices look similar.

Obtain like-for-like insurance quotes for the exact variants on your shortlist and compare the premium together with the excess, insured value, exclusions and repair arrangements.

Depreciation

The largest ownership cost may not appear on a monthly bill

Depreciation is the difference between what you pay for the vehicle and what it is worth when you sell or trade it. Rapid changes in new-EV pricing, technology, incentives and supply can influence used values.

If you plan to keep an EV for only a few years, model a range of resale outcomes rather than assuming historical petrol-car depreciation will apply. If you plan to keep it much longer, the importance of short-term resale movements may reduce.

A practical model

Compare total annual ownership cost, not just fuel savings

A useful annual budget adds electricity, public charging, servicing, tyres, insurance, registration, roadside assistance and finance costs where applicable. Then treat depreciation separately so you can see both cash flow and total ownership economics.

Australian Government guidance says EV drivers can save substantially on fuel and servicing compared with petrol or diesel vehicles, but your actual result depends on the vehicle and how you use and charge it.

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