U91 starts at 179.9 c/L, with an average of 179.9 c/L across 1 tracked station in the local area around Rocky Plain.
HOLD
U91 in Rocky Plain is about average for South Australia
Rocky Plain sits 0.4c below the South Australia average. Prices here track the Adelaide cycle. Check the 7-day outlook below before you decide.
How it compares
Local details
Nearby stations
No stations found directly in Rocky Plain. Showing current U91 prices in surrounding areas.
FuelRadar
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14-day reported history
Use the chart for the movement and the expandable table for exact daily averages. A local average is context, not a guaranteed bowser price at every station.
What the data says
U91 held broadly steady by 0.0c/L, from 179.9 to 179.9c/L.
The values used in the figure are listed below.
| Date | Average (c/L) | Change (c) |
|---|---|---|
| 8 July 2026 | 179.9c/L | 0.0 |
| 9 July 2026 | 179.9c/L | 0.0 |
| 10 July 2026 | 179.9c/L | 0.0 |
| 11 July 2026 | 179.9c/L | 0.0 |
| 12 July 2026 | 179.9c/L | 0.0 |
| 13 July 2026 | 179.9c/L | 0.0 |
| 14 July 2026 | 179.9c/L | 0.0 |
| 15 July 2026 | 179.9c/L | 0.0 |
| 16 July 2026 | 179.9c/L | 0.0 |
| 17 July 2026 | 179.9c/L | 0.0 |
| 18 July 2026 | 179.9c/L | 0.0 |
| 19 July 2026 | 179.9c/L | 0.0 |
| 20 July 2026 | 179.9c/L | 0.0 |
| 21 July 2026 | 179.9c/L | 0.0 |
| 22 July 2026 | 179.9c/L | 0.0 |
Source: U91 reported pump prices
Method: Daily observations use available reported station prices. Coverage and source update cadence can vary by date and area. Full methodology
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7-day outlook
Rocky Plain prices follow the Adelaide cycle, so this outlook takes the Adelaide U91 forecast and adjusts it to Rocky Plain's own price level using 90 days of local history. You can see the Adelaide benchmark alongside the local estimate below.
Adelaide is in the stable phase of its current cycle.
Rocky Plain today (est.)
179.9c/L
Adelaide 171.3c/L · +8.6c/L local
Modelled in 7 days
164.6c/L
7-day range
157.6 – 179.9c/L
Nearby suburbs
How Rocky Plain compares to neighbouring areas. Cheapest first, delta vs the Rocky Plain average.
Postcode 5381 · 1 station
179.9c
0.0
Postcode 5417 · 3 stations
184.9c
+5.0
Postcode 5374 · 2 stations
185.0c
+5.1
Postcode 5373 · 2 stations
177.9c
-2.0
Postcode 5381 · 1 station
179.9c
0.0
Postcode 5413 · 1 station
177.9c
-2.0
Postcode 5451 · 1 station
186.9c
+7.0
Postcode 5356 · 1 station
174.9c
-5.0
Postcode 5320 · 1 station
186.9c
+7.0
Postcode 5355 · 1 station
169.4c
-10.5
Local brands
Open brand pages for broader price context, loyalty discounts and nearby station coverage before choosing a station.
How to use this page
Rocky Plain is in the Goyder market. Compare the suburb with the wider city view when planning a larger fill.
Start with a recent station row for the fuel your vehicle uses. Widen the search only when the saving still makes sense after the extra distance.
Rocky Plain 5381 currently shows U91 at 179.9 c/L across 1 tracked station in the local area around Rocky Plain.
Fuel-grade coverage depends on which nearby stations have recently reported prices. Use the station list and update times before making a special trip.
Rocky Plain is part of Goyder, within Central. Compare the wider Goyder market when the cheapest local report is stale, out of the way or only a few cents lower.
Nearby suburbs with useful comparison data include Burra from 183.9c across 3 stations, Eudunda from 179.9c across 2 stations, Kapunda from 177.9c across 2 stations, Robertstown from 179.9c across 1 station, Saddleworth from 177.9c across 1 station and Auburn from 186.9c across 1 station.
Check the station update time and detour distance before leaving your route, including SA Fuel Pricing Information Scheme where available. For broader context, compare the South Australia state average of 180.3c.
Data updated 22 July, 12:37 am AEST. Source: SA Fuel Pricing Information Scheme. Based on 1 station. Suburb averages can hide station-level differences. Check the selected fuel grade, report time and final pump price.
Explore the area
Step up to the city and state, compare neighbouring suburbs, or open the live U91 map.
Frequently asked
Rocky Plain 5381 currently shows 179.9 c/L as the lowest listed U91 price, with a local average of 179.9 c/L. Check the station update time before driving.
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