What is the average Petrol & Diesel price in Thornlie?

The average Petrol & Diesel price in Thornlie is 166.9 c/L, ranging from a low of 163.9c/L to a high of 169.9c/L. Compared to the national average, U91 is 9.4c cheaper than the national average.

How many fuel stations are there in Thornlie?

There are 2 fuel stations in Thornlie, with 78 more nearby stations within 10km.

When is the cheapest day to buy fuel in Thornlie?

Based on the last 60 days of Petrol & Diesel prices at Thornlie stations, the cheapest weekday to fill up has been Tuesday (averaging 178.8c/L). The most expensive was Wednesday at 196.8c/L — a typical spread of 18c/L. FuelWatch fixes WA prices for 24 hours, so the cheapest day for Petrol & Diesel in Thornlie tracks the state-wide cycle reset.

What fuel types are available in Thornlie?

The 2 stations reporting in Thornlie cover the following fuel types: Unleaded 91, Premium Diesel, Premium 95, Premium 98. Use the fuel-type pills above the price list to switch between them.

How often are Thornlie fuel prices updated?

Every 15 minutes. FuelRadar Australia refreshes from the government data program four times an hour. The station count in Thornlie is refreshed with each price update (last sync 00:00 GMT+1000, 7 Jun 2026).

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Suburb fuel prices

Cheap Petrol & Diesel in Thornlie Western Australia 6108

Name: Fuel Prices in Thornlie, WA
Creator: FuelRadar Australia
License: https://creativecommons.org/licenses/by/4.0/

163.9c

Cheapest Unleaded 91 now

166.9 c/LSuburb avg

2Stations

11.1c below the Western Australia average — Thornlie is 11.6c/L under its 30-day average right now — near the bottom of the cycle.

Prices as of 6 hr ago AEST · sourced from FuelWatch

Open live map WESTERN AUSTRALIA state averageAll fuels U91 P. Diesel P95 P98

Thornlie · Unleaded 91Below the state avg

FILL UP

Unleaded 91 in Thornlie is cheaper than the Western Australia average

Thornlie sits 11.1c below the Western Australia average. Thornlie is 11.6c/L under its 30-day average right now — near the bottom of the cycle.

Open the Thornlie map WESTERN AUSTRALIA average

No data yet

Top stations

Cheapest Unleaded 91 stations in Thornlie

Sorted by current Unleaded 91 price. Tap a station for grades, directions and price age.

Showing 6 of 80 stations.

30-day spread · Unleaded 91

Thornlie Unleaded 91 cycle

Thornlie is currently 11.6c/L below its 30-day average — a relatively good time to fill up.

30-day low

161.9c/L

30-day average

178.5c/L

30-day high

207.9c/L

Today's average

166.9c/L

Daily averageMin–max spread across Thornlie stations

Cheapest Unleaded 91 right now

Source: Reported Unleaded 91 pump prices across Thornlie.

Suburb price verdictWell under the average

11.1¢ below Western Australia state avg

Thornlie average · Unleaded 91

Thornlie sits 11.1c/L below the western australia state avg for Unleaded 91. Open the map to see how the individual stations in this suburb compare.

Open the Thornlie map

Thornlie average

166.9¢

vs Western Australia state avg

178.0¢

-11.1¢

vs National avg

Across Australia

176.3¢

-9.4¢

vs Wholesale (TGP)

What retailers pay before excise/GST

160.1¢

+6.8¢

7-day outlook

Thornlie 7-day outlook — tracks the Perth cycle

Rising · +11.6c/L over 7 days

Thornlie has no dedicated predictor, so this is the Perth Unleaded 91 forecast — built from the Perth fuel cycle and 90-day history. Thornlie typically follows the Perth cycle within a few hours.

1 day until the cycle trough — usually the cheapest day.

Perth today

165.9c/L

Predicted in 7 days

177.5c/L

7-day range

161.9 – 183.7c/L

Predicted price90% confidence band

See full 30-day forecast How accurate is this?

Nearby suburbs

Suburbs near Thornlie

How Thornlie compares to neighbouring areas — cheapest first, delta vs the Thornlie average.

At a glance

Thornlie fuel prices at a glance

Cheapest Unleaded 91: 163.9 c/L
Suburb average: 166.9 c/L
Price range: 6.0c spread
Stations tracked: 2
Brands: 2
Postcode: 6108
Last updated: 7 June 2026, 12:00 am AEST

Explore the area

Browse fuel prices around Thornlie

Step up to the city and state, compare neighbouring suburbs, or open the live Unleaded 91 map.

Thornlie snapshot

Live Unleaded 91 prices in Thornlie

How it compares

Thornlie is currently 11.1c below the Western Australia state average of 178.0c. Open the live fuel map to see how individual stations spread within Thornlie.

Compare neighbouring suburbs

Cheaper fuel may be nearby — compare Maddington (from 161.9c), Orange Grove (from 161.9c), Maddington (from 161.9c), Gosnells (from 163.9c) or Southern River (from 159.5c) before planning a fill-up.

Brands operating here

2 fuel brands operate stations in Thornlie, including Ampol and 7-Eleven. Brand loyalty programs and discount apps can shift the cheapest pump by 4–6c/L on any given day.

Frequently asked

Thornlie fuel questions

The cheapest U91 in Thornlie is currently at Burk Cannington for 153.3 c/L.

FuelRadar app

Keep Thornlie fuel prices in your pocket

Track Thornlie prices, watch the local cycle and get an alert before the next jump — from your phone.

Today's call: fill up, wait or hold
A heads-up before the next price jump
Forecast the bottom of the cycle
Cheapest servo near you, in seconds

FuelRadar app — price-cycle forecast showing the best day to fill up, alongside a live fuel map with price pins