Australian Diesel Prices Average $2.79 Per Litre

The federal government maintains an $11 billion fuel tax credit scheme as diesel costs affect national supply chains.

Updated on Oct. 20, 2026 in Inflation

Australian Diesel Prices Average $2.79 Per Litre

Live Poll

Should the federal government end tax breaks for industrial diesel use to lower national inflation?

Diesel prices reached an average of $2.79 per litre across Australia's five largest cities in mid-October 2026. High costs are straining national supply chains as the federal government confirms it will not change the $11 billion annual Fuel Tax Credit.

Why it matters

Diesel costs drive inflation by raising the price of producing and transporting goods across the country. Global diesel stocks remain tight due to damaged refineries and ongoing geopolitical threats to international shipping routes.

Diesel prices averaged $2.79 per litre in mid-October 2026, while the federal Fuel Tax Credit is projected to grow to $13 billion annually in 2026-27. It remains unknown how long conflict-related supply chain costs will persist beyond early 2027.

The players

Reserve Bank of Australia

The nation's central bank is responsible for monitoring inflation trends and manages monetary policy to ensure economic stability.

Australian Federal Government

The national governing body sets fiscal policy, including the administration of the Fuel Tax Credit scheme and international development funding.

The details

Rising fuel prices impact the economy through direct consumer purchases and the higher costs of growing and moving essential goods. Demand for diesel continues to be high, driven by industrial supply chains and the rapid development of regional data centres.

Timeline

  1. Mid-October 2026: Average diesel prices reached $2.79 per litre.

  2. October 2026: Australia announced $13 million in regional energy transition funding.

  3. 2026-27: The annual cost of the Fuel Tax Credit is projected to reach $13 billion.

  4. Early 2027: Conflict-related supply chain cost pressures are expected to persist.

Macro View

The current high-price environment mirrors historical patterns where energy costs decoupled from traditional supply-demand balances. This trajectory follows the established framework of the Australian Fuel Tax Credit scheme, which remains a cornerstone of federal industrial policy.

Higher diesel prices increase the cost of goods at the supermarket and hardware store, tightening the monthly household budget for many Australians. These costs remain linked to industrial logistics, meaning price volatility in fuel directly influences the price of domestic goods.

The takeaway

Businesses and households should prepare for continued price pressure on essential goods throughout early 2027. Tracking retail fuel price trends can provide early indicators of upcoming fluctuations in the cost of consumer commodities.

Further reading

For a broader look at economic trends, visit the Australia Inflation section.

Live Poll

Should the federal government end tax breaks for industrial diesel use to lower national inflation?