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What is Car Stamp Duty in Australia?
Motor Vehicle Stamp Duty, often called transfer duty, is a state-based tax levied on the transfer of ownership of a vehicle. It is payable when you buy a car, motorcycle, truck, or other motor vehicle in Australia. The amount you pay depends on which state or territory you register the vehicle in, the purchase price or market value of the vehicle, and sometimes the type of vehicle.
How is Car Stamp Duty Calculated?
Each Australian state and territory has its own formula for calculating stamp duty. Common methods include:
- Ad Valorem (Percentage): A simple percentage of the vehicle's value (e.g., NSW, QLD, SA, ACT, NT, TAS).
- Per $200 Slab: A fixed dollar amount for every $200 (or part thereof) of the vehicle's value (e.g., Victoria).
- Tiered Rates: Different percentages applied to portions of the value, often with a higher "luxury" rate above a certain threshold (e.g., Western Australia).
Concessions or exemptions may apply for certain vehicle types, such as zero-emission vehicles (electric cars), commercial vehicles, or motorcycles.
Example Calculation: A New Electric Car in Victoria
Imagine you are buying a new electric passenger vehicle in Victoria for $65,000. Victoria's duty is calculated as a fixed amount per $200 (or part thereof) of the vehicle's value. The general rate is $8.40 per $200.
First, find the number of $200 units: $65,000 / $200 = 325. Since duty applies to any part of $200, we round up to 326 units.
The general duty would be: 326 × $8.40 = $2,738.40.
For new zero-emission vehicles, Victoria offers a concession of half the general rate. The concession rate is therefore $8.40 / 2 = $4.20 per $200.
The final duty payable is: 326 × $4.20 = $1,369.20.
Frequent Scenarios
Buying a New Electric Vehicle
Many states encourage the uptake of electric vehicles (EVs) by offering reduced stamp duty rates. For example, in Victoria, the duty rate for new zero-emission vehicles is halved. In the ACT, eligible EVs under a value threshold pay no duty at all. In Queensland, the standard rate is halved for EVs.
Registering a Luxury Vehicle
In Western Australia, a higher duty rate applies to the portion of a vehicle's value that exceeds a luxury threshold ($50,000 for the 2026-27 year). This results in a significantly higher duty bill for expensive cars.
Purchasing a Commercial Vehicle
In Queensland, a duty exemption applies to the transfer of commercial vehicles with a Gross Vehicle Mass (GVM) over 4.5 tonnes. This can lead to substantial savings for business purchases.
What Document Should You Prepare Next?
After calculating the expected stamp duty, you will need a formal agreement to complete the vehicle sale. For a private sale, a Vehicle Sale Agreement is essential. This legally binding document details the vehicle, the parties, the price, and the terms of sale, protecting both the buyer and seller.
Alternatively, a Bill of Sale serves as a simpler proof of purchase and transfer of ownership. Both documents provide the necessary record of the transaction value, which is required for registration and duty payment.