U91 starts at 185.9 c/L, with an average of 185.9 c/L across 1 tracked station directly in Williamstown.
WAIT
U91 in Williamstown is dearer than the South Australia average
Williamstown sits 5.6c above the South Australia average. Williamstown is 10.7c/L over its 30-day average. Prices usually dip later in the cycle.
How it compares
Local details
Local stations
Current U91 prices at stations located directly within Williamstown. Tap a station for directions and details.
Nearby stations
Current U91 prices at stations in surrounding suburbs near Williamstown.
FuelRadar
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30-day price range · U91
Williamstown is 10.7c/L above its 30-day average. Compare the latest station reports before choosing when to fill.
Cheapest reported U91
Source: Reported U91 pump prices across Williamstown.
7-day outlook
Williamstown prices follow the Adelaide cycle, so this outlook takes the Adelaide U91 forecast and adjusts it to Williamstown'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.
Williamstown today (est.)
185.2c/L
Adelaide 171.3c/L · +13.9c/L local
Modelled in 7 days
169.9c/L
7-day range
162.9 – 185.2c/L
Nearby suburbs
How Williamstown compares to neighbouring areas. Cheapest first, delta vs the Williamstown average.
Postcode 5351 · 1 station
185.9c
0.0
Postcode 5116 · 2 stations
174.9c
-11.0
Postcode 5118 · 2 stations
171.4c
-14.5
Postcode 5114 · 2 stations
173.9c
-12.0
Postcode 5351 · 1 station
185.9c
0.0
Postcode 5351 · 1 station
189.9c
+4.0
Postcode 5231 · 1 station
175.9c
-10.0
Postcode 5118 · 1 station
174.9c
-11.0
Postcode 5116 · 1 station
174.9c
-11.0
Postcode 5118 · 1 station
171.9c
-14.0
Postcode 5234 · 1 station
175.9c
-10.0
Local brands
Open brand pages for broader price context, loyalty discounts and nearby station coverage before choosing a station.
How to use this page
Williamstown is in the Barossa 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.
Williamstown 5351 currently shows U91 at 185.9 c/L across 1 tracked station directly in Williamstown.
Fuel-grade coverage depends on which nearby stations have recently reported prices. Use the station list and update times before making a special trip.
Williamstown is part of Barossa, within Central. Compare the wider Barossa 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 Evanston Park from 174.9c across 2 stations, Gawler from 166.9c across 2 stations, Blakeview from 173.9c across 2 stations, Cockatoo Valley from 185.9c across 1 station, Lyndoch from 189.9c across 1 station and Kersbrook from 175.9c 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, 1:07 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
Williamstown 5351 currently shows 185.9 c/L as the lowest listed U91 price, with a local average of 185.9 c/L. Check the station update time before driving.
FuelRadar app
Save a regular station, then set a fuel target for your local area.
