Which station has the cheapest Unleaded 91 in Williams?

The lowest listed Unleaded 91 in Williams is at Burk Williams for 165.9 c/L. Check the station update time before driving.

What is the average Unleaded 91 price in Williams?

The average Unleaded 91 price in Williams is 170.6 c/L, ranging from a low of 165.9c/L to a high of 173.9c/L. Compared to the national average, U91 sits 1.7c cheaper than the national average of 172.3c.

How many fuel stations are there in Williams?

There are 3 fuel stations in Williams monitoring prices for drivers.

When is the cheapest day to buy fuel in Williams?

Based on the last 60 days of Unleaded 91 prices at Williams stations, the lower-price day has most often been Sunday (averaging 170.4c/L). The dearest day was Wednesday at 175.7c/L, a typical spread of 5.3c/L. FuelWatch sets WA prices for the next trading day, so check the station list before a large fill.

What fuel types are available in Williams?

The 3 stations reporting in Williams cover the following fuel types: Unleaded 91, Diesel, Premium Diesel, Premium 95, Premium 98. Use the fuel-type pills above the price list to switch between them.

How often are Williams fuel prices updated?

FuelRadar Australia checks supported price sources regularly. Latest station data on this page is timestamped 01:41 GMT+1000, 15 Jul 2026. Check each station row before making a special trip.

Suburb fuel prices

Fuel prices in Williams, WA

U91 starts at 165.9 c/L, with an average of 170.6 c/L across 3 tracked stations directly in Williams.

WESTERN AUSTRALIA state average

Updated 27 min ago · FuelWatch

Williams · U91Below the state avg

FILL UP

U91 in Williams is cheaper than the Western Australia average

Williams sits 3.2c below the Western Australia average. Williams is 2.4c/L under its 30-day average. Near the bottom of the cycle.

WESTERN AUSTRALIA average

How it compares

Western Australia state avg173.8c/L-3.2c/L
National avg172.3c/L-1.7c/L
Wholesale (TGP)161c/L+9.6c/L

Local details

Williams service details

Price range: 8.0c spread
Brands: 3
Postcode: 6391
Last updated: 15 July 2026, 1:41 am AEST

How to use this page

Using the Williams price list

Williams is in the Wheatbelt 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.

Compare the same fuel grade

Williams 6391 currently shows U91 from 165.9 c/L, averaging 170.6 c/L across 3 tracked stations directly in Williams.

Fuel grades shown for this area include U91 from 165.9c, P98 from 187.9c and DSL from 187.9c.

Before driving farther

Williams is part of Wheatbelt. Compare the wider Wheatbelt 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 Narrogin from 172.9c across 3 stations, Darkan from 174.9c across 2 stations, Cuballing from 179.9c across 1 station, Wandering from 199.1c across 1 station and Flint from 189.0c across 1 station.

Check the station update time and detour distance before leaving your route, including FuelWatch where available. For broader context, compare the Western Australia state average of 173.8c.

Local stations

Cheapest U91 stations in Williams

Current U91 prices at stations located directly within Williams. Tap a station for directions and details.

Open full Williams map

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Frequently asked

Williams fuel questions

Williams 6391 currently shows 165.9 c/L as the lowest listed U91 price, with a local average of 170.6 c/L. Check the station update time before driving.

30-day price range · U91

Williams U91 price range

Williams is 2.4c/L below its 30-day average. Check nearby station reports before filling.

30-day low: 165.9c/L
30-day average: 173.0c/L
30-day high: 183.9c/L
Today's average: 170.6c/L

Daily averageMin–max spread across Williams stations

Cheapest reported U91

Source: Reported U91 pump prices across Williams.

7-day outlook

Williams 7-day U91 outlook

Rising · +4.6c/L over 7 days

Williams prices follow the Perth cycle, so this outlook takes the Perth U91 forecast and adjusts it to Williams's own price level using 90 days of local history. You can see the Perth benchmark alongside the local estimate below.

Perth is in the falling phase of its current cycle.

Williams today (est.)

177.6c/L

Perth 164.7c/L · +12.9c/L local

Modelled in 7 days

182.2c/L

7-day range

160.7 – 187.7c/L