Cheapest U91 Fuel Prices in Western Australia Today
As of 5 April 2026, compare live U91 prices across 574 stations in 189 suburbs across Western Australia. Cheapest right now is 199.30 c/L in Oakford. State average is 229.80 c/L. Prices from official Western Australia government data, updated daily via FuelWatch.
U91 prices across Western Australia swung 47.5 cents over the past 3 weeks. The Middle East conflict drove a surge to 267.40 c/L around 24 Mar, before the fuel excise cut on 1 April brought some relief. Currently averaging 229.80 c/L. The spread between cheapest and most expensive suburbs is 75.6 cents.
WA prices are locked daily via FuelWatch – the price shown is guaranteed until tomorrow.
Cheapest suburbs for U91 in Western Australia
Lowest station price per suburb right now.
Most expensive suburbs for U91
Highest U91 station price per suburb right now.
Regions in Western Australia
Browse fuel prices by metro area and region.
All 189 suburbs in Western Australia
Every suburb with live U91 prices, sorted alphabetically.
Frequently asked questions
Where is the cheapest fuel in Western Australia?
As of 5 April 2026, the cheapest U91 in Western Australia is 199.30 cents per litre in Oakford. The state average is 229.80 c/L across 574 stations. Prices update daily via FuelWatch from official government data.
How many petrol stations are in Western Australia?
FuelTrack tracks 574 active petrol stations across 189 suburbs in Western Australia. Prices are sourced from official government fuel price monitoring schemes.
What is the best day to buy fuel in Western Australia?
Based on the past 4 weeks, Thursdays tend to have the cheapest U91 prices in Western Australia, averaging 239.80 c/L. Sundays tend to be the most expensive at 249.90 c/L – a difference of 10.1 cents. Patterns vary by suburb, so check your local area for the most accurate timing.
Compare fuel prices in other states
Prices from official Western Australia government fuel price monitoring data. Compare fuel prices across Australia.