Cheapest Diesel Fuel Prices in Western Australia Today
As of 21 May 2026, compare live Diesel prices across 267 stations in 105 suburbs across Western Australia. Cheapest right now is 196.20 c/L in Morley. State average is 224.70 c/L. Prices from official Western Australia government data, updated daily via FuelWatch.
Diesel prices across Western Australia have been volatile, ranging from 209.90 to 251.90 c/L over the past 4 weeks. The spread between cheapest and most expensive suburbs is 73.7 cents.
WA prices are locked daily via FuelWatch – the price shown is guaranteed until tomorrow.
Cheapest suburbs for Diesel in Western Australia
Lowest live price per suburb.
Most expensive suburbs for Diesel
Highest live Diesel price per suburb.
Regions in Western Australia
Browse fuel prices by metro area and region.
105 suburbs in Western Australia
Browse live Diesel prices by suburb, sorted alphabetically.
Frequently asked questions
Where is the cheapest fuel in Western Australia?
As of 21 May 2026, the cheapest Diesel in Western Australia is 196.20 cents per litre in Morley. The state average is 224.70 c/L across 267 stations. Prices update daily via FuelWatch from official government data.
How many petrol stations are in Western Australia?
FuelTrack tracks prices at 267 petrol stations across 105 suburbs in Western Australia. Prices are sourced from official government fuel price monitoring schemes and updated daily via FuelWatch.
What is the best day to buy fuel in Western Australia?
Based on the past 4 weeks, Wednesdays tend to have the cheapest Diesel prices in Western Australia, averaging 231.70 c/L. Thursdays tend to be the most expensive at 241.70 c/L – a difference of 10.0 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.