How Western Australia car stamp duty works
When you buy a car in Western Australia, stamp duty is charged on the dutiable value, which is the price you paid or the market value, whichever is higher, including GST. Light vehicle (up to 4.5 tonnes). The rate applies to the whole value, not just the amount over a threshold. Heavy vehicles are 3% capped at $12,000. The duty is paid to RevenueWA when the vehicle is registered or transferred into your name, so it sits on top of the purchase price and the usual registration costs.
Western Australia car stamp duty rates
| Dutiable value | Rate |
|---|---|
| Up to $25,000 | 2.75% of value |
| $25,000 to $50,000 | sliding 2.75% up to 6.5% |
| Over $50,000 | 6.5% of value |
Current RevenueWA rates, as at 23 February 2026. Electric vehicles: No. WA has no electric-vehicle stamp-duty concession; its separate rebate scheme ended in May 2025.
What the duty comes to
| Car value | Stamp duty | Share of value |
|---|---|---|
| $15,000 | $413 | 2.75% |
| $25,000 | $688 | 2.75% |
| $40,000 | $2,000 | 5.00% |
| $60,000 | $3,900 | 6.50% |
| $90,000 | $5,850 | 6.50% |
Worked out from the same RevenueWA rates as the calculator.
Common questions
How much is stamp duty on a $40,000 car in Western Australia?
On a $40,000 car in Western Australia, stamp duty is about $2,000, using current RevenueWA rates. Use the calculator above for your exact value.
Do you pay stamp duty on an electric car in Western Australia?
No. WA has no electric-vehicle stamp-duty concession; its separate rebate scheme ended in May 2025.
What is car stamp duty based on in Western Australia?
Western Australia works the duty out on the dutiable value, which is the price you paid or the market value, whichever is higher, including GST. Light vehicle (up to 4.5 tonnes). The rate applies to the whole value, not just the amount over a threshold. Heavy vehicles are 3% capped at $12,000.
When do you pay car stamp duty in Western Australia?
Stamp duty is paid when the vehicle is registered or transferred into your name, through RevenueWA. Budget for it on top of the purchase price and registration fees.
Related: WA property stamp duty · all calculators. General information only, not tax or financial advice. Rates and electric-vehicle concessions change, so check RevenueWA for your situation.