Cheapest fuel prices, trends and insights across Australia
Cheapest U91 Fuel Prices around Boulder, WA Today
As of 18 May 2026, the cheapest U91 around Boulder, WA is 171.90 c/L at Fuel & Fly Kalgoorlie. Average across 9 stations within 5km of Boulder centre is 181.90 c/L – down 18.0 cents over the past two weeks.
Prices from Western Australia Government, updated daily via FuelWatch.
WA prices are locked daily via FuelWatch – the price shown is guaranteed until tomorrow.
U91 stations around Boulder
9 stations selling U91, sorted by price.
Fuel prices by type
5 fuel types available around Boulder.
| Type | Cheapest | Average | Stations |
|---|---|---|---|
| U91 | 171.90 | 181.90 | 9 |
| U98 | 193.50 | 204.90 | 7 |
| U95 | 196.90 | 202.30 | 4 |
| Diesel | 225.50 | 232.00 | 7 |
| Premium Diesel | 235.90 | 235.90 | 3 |
Frequently asked questions
Where is the cheapest U91 around Boulder?
The cheapest U91 around Boulder, WA is 171.90 cents per litre at Fuel & Fly Kalgoorlie, 104 Brookman St.
When is the best day to buy fuel in Boulder?
Based on the past 4 weeks, Fridays tend to have the cheapest U91 prices around Boulder, averaging 186.20 c/L. Mondays tend to be the most expensive at 194.20 c/L – a difference of 8.0 cents.
How many petrol stations are around Boulder?
FuelTrack tracks prices at 9 stations selling U91 around Boulder, WA. The area has 5 fuel types available, including U91, U98, U95, Diesel.
What petrol brands are around Boulder?
There are 6 fuel brands around Boulder including Independent, Liberty, Ampol, BP, Shell, Astron. Compare prices across all brands to find the cheapest fuel.
Nearby suburbs
Suburbs near Boulder with U91 prices, sorted by distance.
Prices from Western Australia Government. View all Western Australia suburbs. Compare fuel prices across Australia.