Cheapest fuel prices, trends and insights across Australia
Cheapest U91 Fuel Prices around Southern River, WA Today
As of 21 May 2026, the cheapest U91 around Southern River, WA is 174.90 c/L at United Southern River. Average across 22 stations within 5km of Southern River centre is 184.60 c/L – up 2.8 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 Southern River
22 stations selling U91, sorted by price.
Fuel prices by type
5 fuel types available around Southern River.
| Type | Cheapest | Average | Stations |
|---|---|---|---|
| U91 | 174.90 | 184.60 | 22 |
| U95 | 188.90 | 200.50 | 19 |
| U98 | 195.90 | 208.30 | 22 |
| Diesel | 211.30 | 218.10 | 9 |
| Premium Diesel | 213.90 | 220.70 | 17 |
Frequently asked questions
Where is the cheapest U91 around Southern River?
The cheapest U91 around Southern River, WA is 174.90 cents per litre at United Southern River, Lot 101 Terrier Pl.
When is the best day to buy fuel in Southern River?
Based on the past 4 weeks, Mondays tend to have the cheapest U91 prices around Southern River, averaging 172.10 c/L. Tuesdays tend to be the most expensive at 191.80 c/L – a difference of 19.7 cents.
How many petrol stations are around Southern River?
FuelTrack tracks prices at 22 stations selling U91 around Southern River, WA. The area has 5 fuel types available, including U91, U95, U98, Diesel.
What petrol brands are around Southern River?
There are 9 fuel brands around Southern River including United, Independent, Metro, Vibe, 7-Eleven, Ampol, Petro Fuels, Shell. Compare prices across all brands to find the cheapest fuel.
Nearby suburbs
Suburbs near Southern River with U91 prices, sorted by distance.
Prices from Western Australia Government. View all Western Australia suburbs. Compare fuel prices across Australia.