
The price of diesel fuel in Australia has been a concern for consumers, with retailers blaming record oil prices and supply chain issues for recent price hikes. As of June 2, 2025, the price of diesel fuel in Australia was AUD 1.63 per liter, or USD 1.05 per liter, higher than the world average of USD 1.12 per liter. This price is an increase from previous years, with data showing an average price of AUD 1.52 per liter between June 2015 and June 2025, and a maximum of AUD 2.36 in July 2022. Diesel fuel prices in Australia are influenced by various factors, including international benchmark prices and competition between local refineries and imported petroleum products. Diesel is generally more expensive than petrol in Australia, and its availability can be limited in rural areas, making it a less popular choice for motorists.
| Characteristics | Values |
|---|---|
| Current Price of Diesel in Australia | AUD 1.63 per liter or USD 1.05 per liter |
| World Average Diesel Price | USD 1.12 per liter |
| Average Diesel Price in Australia from 2015-06-22 to 2025-06-02 | AUD 1.52 per liter |
| Minimum Average Diesel Price in Australia | AUD 1.11 on 2016-03-21 |
| Maximum Average Diesel Price in Australia | AUD 2.36 on 2022-07-04 |
| Diesel Price in Rural Areas | Up to AUD 2 per liter |
| Diesel Price in Urban and Coastal Areas | Around AUD 1.40-1.55 per liter |
| Diesel Price Compared to Petrol | More expensive |
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What You'll Learn

The price of diesel in Australia is AUD 1.63 per litre
As of June 2, 2025, the price of diesel fuel in Australia is AUD 1.63 per litre. This is slightly higher than the world average of USD 1.12 per litre.
In the past, diesel prices in Australia have fluctuated, with the fuel costing as little as AUD 1.11 per litre in March 2016 and as much as AUD 2.36 per litre in July 2022.
Compared to other OECD countries, Australia has some of the lowest diesel prices. However, within Australia itself, there can be significant variation in fuel prices depending on the region. For example, petrol stations in rural areas may charge up to AUD 2 per litre for unleaded petrol, while those in urban and coastal areas typically charge around AUD 1.40 per litre.
Diesel prices in Australia have been on an upward trajectory in recent years, with retailers blaming record oil prices and compromised supply chains. This has contributed to a rise in the cost of living for Australian consumers, who are feeling the impact at the pump.
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Diesel is more expensive than petrol
Although diesel fuel prices in Australia are currently high, diesel has not always been more expensive than petrol. In fact, there may be times of the year when gasoline is more expensive. However, diesel has been traded at a premium since 2005. This is due to a variety of factors, including taxes, production, and global demand.
Taxes, in particular, have been used to incentivize motorists to use higher-efficiency diesel engines, with gasoline taxed at a higher rate. In the US, diesel is subject to high tax rates to recover road maintenance costs. In Europe, diesel taxes are kept low to support the freight and transportation industries.
Diesel typically contains more energy per gallon than gasoline, so if you were pricing based on energy content, diesel would cost more. A diesel car gets around 70 miles per gallon, whereas a similar petrol car only travels about 50 miles per gallon.
Diesel also has a higher hydrocarbon range than gasoline, with diesel molecules larger and burning more slowly. This means that diesel engines are more efficient and powerful, making them crucial for industries like trucking, farming, and shipping.
The production of diesel is also more complex and costly than that of gasoline. In the mid-2000s, refineries had to invest billions of dollars in equipment to remove sulfur from diesel to meet new ultra-low-sulfur diesel (ULSD) standards.
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Fuel is pricier in rural areas
Fuel prices in Australia have been on the rise, with petrol and diesel prices skyrocketing and affecting the cost of living. While Australia has among the lowest petrol and diesel prices of all OECD countries, the high fuel prices are still impacting consumers, who are feeling the pinch at the pump.
In Australia's five largest cities—Sydney, Melbourne, Brisbane, Adelaide, and Perth—retail petrol prices fluctuate regularly due to pricing decisions made by fuel retailers. However, in smaller cities and most regional locations, petrol price cycles do not occur, and fuel prices tend to be higher. This is because fuel retailers in these areas face additional costs when transporting fuel over longer distances, and these costs are passed on to consumers.
The high fuel prices in rural areas of Australia can be attributed to several factors. Firstly, the distance from fuel depots and refineries increases transportation costs, which are then reflected in the pump prices. Secondly, rural areas often have a lower fuel demand, which can result in higher prices per litre to cover the fixed costs of operating a service station. Additionally, the lack of competition among fuel retailers in these areas may contribute to higher prices.
Another factor influencing fuel prices in Australia is taxation. Consumers pay Goods and Services Tax (GST) on top of the Fuel Excise, effectively resulting in a "tax on a tax." This additional tax contributes to the overall cost of fuel for consumers, particularly in rural areas where other costs are already higher.
To mitigate the impact of high fuel prices, consumers can utilise fuel price apps and websites to find the lowest prices in their area. However, it is important to note that the Australian Competition and Consumer Commission (ACCC) does not set or control fuel prices or petrol price cycles. The ACCC's role is to monitor and report on the fuel industry, providing transparency and information for consumers.
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Australia has some of the lowest diesel prices in OECD countries
Australia has some of the lowest diesel prices in the world, according to data from the Australian Institute of Petroleum. Official statistics from the Bureau of Resource and Energy Economics (Australian Petroleum Statistics) and the International Energy Agency (IEA) show that Australia has among the lowest diesel prices of all OECD countries.
While the cost of living in Australia is being driven up by sky-high fuel prices, the country still boasts some of the cheapest diesel in the OECD. This is due in part to the low quality of Australian diesel fuel, which has a higher sulphur content than that of other OECD countries. Australia's fuel regulations allow for up to 150 parts per million of sulphur in regular unleaded petrol and up to 50 parts per million in premium fuels. This is significantly higher than the regulated limit in many other OECD nations.
The low price of diesel in Australia has been criticised as discouraging innovation and prolonging the country's dependence on fossil fuels. Dr Vlado Vivoda, a research fellow at the Sustainable Minerals Institute at the University of Queensland, stated that the low cost of fuel in Australia is a key factor in the country's slow shift away from petrol and diesel towards more sustainable energy sources.
Despite the criticism, the Australian Institute of Petroleum has defended the industry, arguing that Australian fuel is of high quality and that there are a range of parameters beyond sulphur content that determine the overall quality of fuel. The industry has agreed to transition to low-sulphur fuels by 2027, which is also the projected date for price parity between electric cars and vehicles with traditional combustion engines.
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Fuel prices are updated daily
Fuel prices in Australia are updated daily, with recent weeks seeing a significant rise in the cost of diesel fuel. The Australian Institute of Petroleum (AIP) provides weekly diesel price reports to help analysts, commentators, and consumers understand the market factors influencing diesel prices.
As of June 2, 2025, the price of diesel fuel in Australia was AUD 1.63 per liter or USD 1.05 per liter. This is slightly lower than the world average diesel price of USD 1.12 per liter. However, it's important to note that diesel prices in Australia have fluctuated over the years, with a recorded minimum of AUD 1.11 in March 2016 and a maximum of AUD 2.36 in July 2022.
Several factors contribute to the fluctuations in diesel prices in Australia. One factor is the competition between local oil refineries and imported petroleum products. Additionally, Australia's fuel prices are influenced by international benchmark prices, such as the Singapore price of diesel and the market prices for Tapis and North Sea Dated (Brent).
The cost of diesel fuel also varies across different regions in Australia. Generally, fuel tends to be more expensive in rural and outback areas due to limited accessibility. Petrol stations in these areas may charge up to AUD 2 per liter for unleaded fuel, while urban and coastal areas offer more competitive prices.
It's worth noting that diesel fuel in Australia is typically more expensive than petrol. However, diesel engines offer better fuel efficiency, resulting in more kilometers or miles per liter or gallon. This efficiency can offset the higher cost of diesel fuel, making it a more economical choice for consumers, especially when travelling long distances.
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Frequently asked questions
The price of diesel fuel in Australia was AUD 1.63 per liter or USD 1.05 per liter as of June 2, 2025.
Australia has one of the lowest diesel prices among OECD countries.
In rural areas of Australia, diesel fuel can be harder to find and more expensive, with prices of up to $2 Australian Dollars per liter. In urban and coastal areas, the price is typically lower, around $1.40 to $1.55 Australian Dollars per liter.











































