U91 starts at 188.9 c/L, with an average of 188.9 c/L across 1 tracked station directly in Lock.
WAIT
U91 in Lock is dearer than the South Australia average
Lock sits 8.6c above the South Australia average. Prices here track the Adelaide cycle. Check the 7-day outlook below before you decide.
How it compares
Local details
Local stations
Current U91 prices at stations located directly within Lock. Tap a station for directions and details.
FuelRadar
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9-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 188.9 to 188.9c/L.
The values used in the figure are listed below.
| Date | Average (c/L) | Change (c) |
|---|---|---|
| 13 July 2026 | 188.9c/L | 0.0 |
| 14 July 2026 | 188.9c/L | 0.0 |
| 15 July 2026 | 188.9c/L | 0.0 |
| 16 July 2026 | 188.9c/L | 0.0 |
| 17 July 2026 | 188.9c/L | 0.0 |
| 18 July 2026 | 188.9c/L | 0.0 |
| 19 July 2026 | 188.9c/L | 0.0 |
| 20 July 2026 | 188.9c/L | 0.0 |
| 21 July 2026 | 188.9c/L | 0.0 |
| 22 July 2026 | 188.9c/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
Lock prices follow the Adelaide cycle, so this outlook takes the Adelaide U91 forecast and adjusts it to Lock'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.
Lock today (est.)
188.9c/L
Adelaide 171.3c/L · +17.6c/L local
Modelled in 7 days
173.6c/L
7-day range
166.6 – 188.9c/L
Local brands
Open brand pages for broader price context, loyalty discounts and nearby station coverage before choosing a station.
How to use this page
Lock is in the Elliston 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.
Lock 5633 currently shows U91 at 188.9 c/L across 1 tracked station directly in Lock.
Fuel-grade coverage depends on which nearby stations have recently reported prices. Use the station list and update times before making a special trip.
Lock is part of Elliston, within Eyre Peninsula. Compare the wider Elliston market when the cheapest local report is stale, out of the way or only a few cents lower.
Nearby suburb comparisons appear when enough neighbouring stations have recent listed prices. Use the Lock fuel map to widen the search radius.
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, 3:37 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
Lock 5633 currently shows 188.9 c/L as the lowest listed U91 price, with a local average of 188.9 c/L. Check the station update time before driving.
FuelRadar app
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