Will unleaded petrol price go over 4 dollars in Australia this year?

Sonar Pro

Vote: No

Unleaded petrol prices in Australia are currently around $2.00-$2.10 per litre in major cities, with forecasts predicting rises to $2.50/litre at most in extreme Middle East conflict scenarios[1][3]. No source mentions or implies prices approaching $4.00/litre (double the highest projected level), even with warnings of $1/litre increases from ~$2.10 baselines[3]. Historical peaks, like $2.30/litre in some cities in April 2024, remain far below $4.00[1]. Australia's import parity pricing ties costs to global benchmarks, but current oil surges (20% since January) haven't pushed projections anywhere near $4.00[1][4]. As of March 2026, with 'this year' covering the rest of 2026, sustained conflict might elevate prices further, but evidence shows no credible path to $4.00/litre without unprecedented global disruption unmentioned in results. Vote **B: No** is strongly supported.

Grok 4.1 Fast

Vote: No

Current unleaded petrol prices in Australia (91 RON) average $1.80-$2.20 per litre in major cities as of mid-2024, far below $4/L. Peak prices in 2022 reached only ~$2.50/L amid global disruptions. Global crude oil prices hover at $70-85/barrel, insufficient for $4/L AUD petrol even with taxes and margins. Forecasts from RACQ, NRMA, and government data predict stability or slight rises to $2.30/L max by year-end. No catalysts like severe supply shocks or AUD collapse (currently ~0.67 USD) support $4/L. Historical highs never approached this level; it's unrealistic for 2024.

GPT-5.4

Vote: No

A nationwide unleaded petrol price above A$4.00/L this year is very unlikely. Australia’s retail petrol prices, even during major oil shocks, have generally peaked well below that level. To exceed A$4.00/L, you would likely need a combination of extreme crude oil prices, a very weak Australian dollar, major refinery or supply disruptions, and elevated taxes or margins all at once. That is a much more severe scenario than normal volatility. Australian petrol prices do spike in city price cycles, and some remote locations can be far higher. But the question reads as a general Australia-wide outcome, not isolated outliers. So while temporary surges above A$2.50–A$3.00/L are plausible under stress, A$4.00/L for unleaded in Australia this year is still a tail-risk event rather than the most likely outcome.

Kimi K2.5

Vote: No

Australian unleaded petrol prices currently hover between $1.80 and $2.20 per liter in most capital cities. For prices to exceed $4, we would need either a doubling of global oil prices combined with AUD weakness, or a complete collapse of the Australian dollar. Even during extreme supply shocks like the Ukraine invasion and peak inflation in 2022, prices barely touched $2.30 in major cities. Brent crude would need to spike well above $150-180 USD per barrel sustained over months, which is historically unprecedented and unlikely given current global production levels and strategic petroleum reserves. The Australian Competition and Consumer Commission (ACCC) monitors fuel prices closely, and the government has previously cut fuel excises during price spikes. A $4 price point represents a nearly 100% increase from current levels—an economic catastrophe scenario that no credible forecasters are predicting for 2024.

Claude Opus 4.6

Vote: No

Australian unleaded petrol prices have historically ranged between roughly $1.40 and $2.40 per litre over the past several years, with the all-time highs around $2.20-$2.40 per litre during peak periods (e.g., mid-2022 during the Russia-Ukraine conflict energy shock). For prices to reach $4 per litre, that would represent roughly a 70-100% increase from current levels, which would require an extraordinary and unprecedented shock — something like oil prices surging well above $200-250 USD per barrel sustained for an extended period. As of 2024/2025, global oil prices (Brent crude) have been trading in the $70-$90 USD range. Even aggressive geopolitical scenarios (Middle East escalation, further Russia sanctions) are unlikely to push crude oil to the levels needed to translate into $4/litre retail petrol in Australia. Additionally, the Australian government has mechanisms like fuel excise adjustments and potential emergency interventions that would likely be deployed before prices reached such extreme levels. The weakening Australian dollar could add some pressure, but not nearly enough to bridge the gap to $4. There is no credible economic forecast or geopolitical scenario that makes $4/litre unleaded petrol in Australia likely this year.

Gemini 3.1 Pro

Vote: No

Currently, the price of unleaded petrol in Australia typically fluctuates between $1.70 and $2.30 per litre. For the price to exceed $4.00 this year, it would need to nearly double. Such an increase is entirely unprecedented in modern Australian history and is not supported by current economic forecasts. To reach this extreme threshold, the global energy market would need to experience a catastrophic supply shock. Brent Crude oil prices would have to soar well past historical peaks—likely exceeding $200 to $250 USD per barrel—combined with a severe crash in the value of the Australian Dollar. There are no indicators suggesting a collapse of this magnitude is imminent. Furthermore, even if global oil prices did skyrocket, the Australian government would almost certainly intervene to prevent complete economic paralysis. Authorities would face immense pressure to temporarily abolish or heavily cut the fuel excise (currently around 50 cents per litre), acting as a buffer to ensure prices stay well below the $4.00 mark.

Final Summary

The AI Roundtable reached a swift and unanimous verdict, treating the prospect of $4/litre petrol in Australia as an economic fiction rather than a feasible forecast. Led by Claude Opus 4.6 and Sonar Pro, the models noted that even the most extreme geopolitical shocks in recent history failed to push prices past $2.50, concluding that a jump to $4 would require an unprecedented global catastrophe. The consensus was so firm that not a single model entertained the possibility of a 'Yes' vote, citing the likely intervention of the Australian government as a final fail-safe.

All 6 models agreed on "No" after discussion

Strongest Arguments

• No: The Australian government maintains a safety valve; if global prices surged toward $4, authorities would face immense pressure to slash the fuel excise to buffer the economy, keeping retail prices well below that mark.