Don't get pumped.
As of 20 July 2026, the cheapest unleaded petrol in Southern River, WA is 171.9c per litre at United, Southern River. Prices range from 171.9c to 173.9c across 4 stations, averaging 172.4c per litre.
Live fuel prices from 4+ stations in Southern River, Perth. Average: 172.4c/L
Last updated: 02:00 PM, 20 Jul 2026
Petrol prices in Southern River (Perth area) currently range from 171.9c to 173.9c per litre for unleaded fuel, with motorists paying an average of 172.4c/L. We're tracking live prices from 4 service stations, which means you could save up to $1.00 on a 50L tank simply by choosing the right station. View all Western Australia prices for broader comparisons.
Compare all fuel types in Southern River: Unleaded (ULP) from 171.9c/L, Premium 95 from 185.9c/L, Premium 98 from 193.9c/L. Each fuel type page shows the cheapest stations in the area, helping you find the best deal whether you need regular unleaded, premium fuel, or diesel.
Perth's fuel market follows a predictable weekly cycle with swings of 20-30c per litre. Watch for the price drop (often Tuesdays) and fill up then rather than waiting for prices to climb again. Check our Best Time to Fill Up guide for detailed advice.
Prices for Southern River are sourced from WA FuelWatch and community-verified reports, updating continuously throughout the day. Compare prices by brand or view our full station directory for more options.
Perth follows a strict weekly price cycle. Prices jump sharply on Wednesday and then ease for the rest of the week, reaching their lowest point on Tuesday.
Check individual station prices in Southern River
Based on historical price patterns in Southern River, Tuesday tends to offer the best prices. Tuesday is historically one of the best days to fill up in many areas.
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| Shell Reddy Express Southern River | Reddy Express | Southern River | 171.9c | Today, 11:36am | |
| Shell Reddy Express Southern River | Reddy Express | Southern River | 171.9c | Today, 2:00pm | |
| United Southern River | United | Southern River | 171.9c | Today, 11:36am | |
| 4 | United Southern River | United | Southern River | 171.9c | Today, 2:00pm |
| 5 | 7-Eleven Southern River | 7-Eleven | Southern River | 171.9c | Today, 11:36am |
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| United Southern River | United | Southern River | 199.9c | Today, 8:00am | |
| Shell Reddy Express Southern River | Reddy Express | Southern River | 203.9c | Today, 11:36am | |
| Shell Reddy Express Southern River | Reddy Express | Southern River | 203.9c | Today, 8:00am | |
| 4 | United Southern River | United | Southern River | 205.9c | Today, 11:36am |
| 5 | 7-Eleven Southern River | 7-Eleven | Southern River | 207.9c | Today, 2:00pm |
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| United Southern River | United | Southern River | 185.9c | Today, 11:36am | |
| United Southern River | United | Southern River | 185.9c | Today, 2:00pm | |
| 7-Eleven Southern River | 7-Eleven | Southern River | 186.9c | Today, 2:00pm | |
| 4 | 7-Eleven Southern River | 7-Eleven | Southern River | 186.9c | Today, 11:36am |
| 5 | Shell Reddy Express Southern River | Reddy Express | Southern River | 189.4c | Today, 2:00pm |
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| United Southern River | United | Southern River | 193.9c | Today, 11:36am | |
| United Southern River | United | Southern River | 193.9c | Today, 2:00pm | |
| 7-Eleven Southern River | 7-Eleven | Southern River | 194.9c | Today, 11:36am | |
| 4 | 7-Eleven Southern River | 7-Eleven | Southern River | 194.9c | Today, 2:00pm |
| 5 | Shell Reddy Express Southern River | Reddy Express | Southern River | 198.9c | Today, 2:00pm |
| Rank | Station | Brand | Suburb | Price | Updated |
|---|---|---|---|---|---|
| 7-Eleven Southern River | 7-Eleven | Southern River | 207.9c | Today, 11:36am | |
| EG Ampol Southern River | EG Ampol | Southern River | 217.9c | Today, 11:36am |
Find the best value by suburb - average unleaded petrol prices:
| Suburb | Stations | Average Price | Cheapest Price |
|---|---|---|---|
| Southern River | 4 stations | 172.4c | 171.9c |
Save money at these stations with the lowest ULP prices. Prices shown for all available fuel types:
| Station | Address | Brand | ULP | E10 | Diesel | P95 | P98 | Updated |
|---|---|---|---|---|---|---|---|---|
| United Southern River | Lot 101 Terrier Pl | United | 171.9c | - | 205.9c | 185.9c | 193.9c | Today, 2:00pm |
| 7-Eleven Southern River | 481 Balfour St | 7-Eleven | 171.9c | - | 207.9c | 186.9c | 194.9c | Today, 2:00pm |
| Shell Reddy Express Southern River | 216 Lakey St | Reddy Express | 171.9c | - | 203.9c | 189.4c | 198.9c | Today, 2:00pm |
| EG Ampol Southern River | 466 Warton Rd | EG Ampol | 173.9c | - | 217.9c | 190.9c | 200.9c | Today, 2:00pm |
Avoid overpaying - these stations have the highest ULP prices:
| Station | Address | Brand | ULP | E10 | Diesel | P95 | P98 | Updated |
|---|---|---|---|---|---|---|---|---|
| EG Ampol Southern River | 466 Warton Rd | EG Ampol | 173.9c | - | 217.9c | 190.9c | 200.9c | Today, 2:00pm |
| United Southern River | Lot 101 Terrier Pl | United | 171.9c | - | 205.9c | 185.9c | 193.9c | Today, 2:00pm |
| 7-Eleven Southern River | 481 Balfour St | 7-Eleven | 171.9c | - | 207.9c | 186.9c | 194.9c | Today, 2:00pm |
| Shell Reddy Express Southern River | 216 Lakey St | Reddy Express | 171.9c | - | 203.9c | 189.4c | 198.9c | Today, 2:00pm |
Savings Tip: Price difference between cheapest (171.9c/L) and most expensive (173.9c/L): 2.0c per litre. On a 50L tank, choosing the cheapest station saves you $1.00!
Compare fuel prices in these nearby locations:
Southern River has 4 petrol stations. Right now, ULP (unleaded petrol) prices in Southern River range from 171.9c/L to 173.9c/L (a difference of 2.0c/L).
Real-time data updated continuously from official government sources and community reports. We track live prices from major fuel brands including Ampol, Shell, BP, 7-Eleven, Coles Express, and independent service stations. The current average price is 172.4c/L (last updated: 02:00 PM, 20 Jul 2026).
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