Cheapest fuel prices, trends and insights across Australia
Cheapest U91 Fuel Prices around South Perth, WA Today
As of 20 May 2026, the cheapest U91 around South Perth, WA is 171.90 c/L at United Northbridge. Average across 17 stations within 5km of South Perth centre is 187.10 c/L – up 4.6 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 South Perth
17 stations selling U91, sorted by price.
Fuel prices by type
6 fuel types available around South Perth.
| Type | Cheapest | Average | Stations |
|---|---|---|---|
| LPG | 145.50 | 147.00 | 3 |
| U91 | 171.90 | 187.10 | 17 |
| U95 | 185.90 | 203.60 | 16 |
| U98 | 193.90 | 212.50 | 17 |
| Diesel | 209.90 | 221.10 | 9 |
| Premium Diesel | 209.90 | 226.90 | 10 |
Frequently asked questions
Where is the cheapest U91 around South Perth?
The cheapest U91 around South Perth, WA is 171.90 cents per litre at United Northbridge, 31 Fitzgerald St.
When is the best day to buy fuel in South Perth?
Based on the past 4 weeks, Mondays tend to have the cheapest U91 prices around South Perth, averaging 174.60 c/L. Tuesdays tend to be the most expensive at 191.00 c/L – a difference of 16.4 cents.
How many petrol stations are around South Perth?
FuelTrack tracks prices at 17 stations selling U91 around South Perth, WA. The area has 6 fuel types available, including LPG, U91, U95, U98.
What petrol brands are around South Perth?
There are 6 fuel brands around South Perth including United, Shell, Atlas Fuel, Independent, Ampol, BP. Compare prices across all brands to find the cheapest fuel.
Nearby suburbs
Suburbs near South Perth with U91 prices, sorted by distance.
Prices from Western Australia Government. View all Western Australia suburbs. Compare fuel prices across Australia.