Suburb fuel prices

Cheap Petrol & Diesel in Thornlie Western Australia 6108

1.8c below the Western Australia averageThornlie is 16.8c/L under its 30-day average right now — near the bottom of the cycle.

Prices as of 5 hr ago AEST · sourced from FuelWatch

Thornlie · Unleaded 91Below the state avg

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Unleaded 91 in Thornlie is cheaper than the Western Australia average

Thornlie sits 1.8c below the Western Australia average. Thornlie is 16.8c/L under its 30-day average right now — near the bottom of the cycle.

How it compares

  • Western Australia state avg166.4c/L-1.8c/L
  • National avg167.1c/L-2.5c/L
  • Wholesale (TGP)154.1c/L+10.5c/L
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FuelWatch WA

Today and tomorrow fuel prices in Thornlie

Official WA next-day prices are published from 2:30pm and apply from 6am tomorrow. Use the tabs to compare today against the locked tomorrow price.

Source: FuelWatch WA official next-day prices. Tomorrow prices apply from 6:00am in Western Australia.

30-day spread · Unleaded 91

Thornlie Unleaded 91 cycle

Thornlie is currently 16.8c/L below its 30-day average — a relatively good time to fill up.

30-day low

145.9c/L

Lowest point in the local spread

30-day average

169.3c/L

30-day high

195.9c/L

Today's average

152.5c/L

145.0170.5196.026 May8 June23 June
Daily averageMin–max spread across Thornlie stations

7-day outlook

Thornlie 7-day Unleaded 91 outlook

Rising · +6.8c/L over 7 days

Thornlie prices follow the Perth cycle, so this outlook takes the Perth Unleaded 91 forecast and adjusts it to Thornlie's own price level using 90 days of local history. You can see the Perth benchmark alongside the local estimate below.

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

Thornlie today (est.)

158.3c/L

Perth 157.6c/L · +0.7c/L local

Predicted in 7 days

163.8c/L

7-day range

153.0 – 173.0c/L

152.0163.0174.0TueWedThuFriSatSunMon
Predicted price90% confidence band

At a glance

Thornlie fuel prices at a glance

Cheapest Unleaded 91
145.9 c/L
Suburb average
164.6 c/L
Price range
34.0c spread
Stations tracked
2
Brands
2
Postcode
6108
Last updated
23 June 2026, 6:00 pm 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

Tomorrow's FuelWatch prices

FuelWatch WA has published tomorrow's prices for 24 station-grade listings around Thornlie. Liberty Beckenham is the cheapest tomorrow at 129.9c for LPG (0.0c vs today).

How it compares

Thornlie is currently 1.8c below the Western Australia state average of 166.4c. Open the live fuel map to see how individual stations spread within Thornlie.

Compare neighbouring suburbs

Cheaper fuel may be nearby — compare Maddington (from 149.9c), Orange Grove (from 149.9c), Maddington (from 149.9c), Gosnells (from 145.9c) or Southern River (from 147.9c) 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 Metro Canning Vale for 144.2 c/L.

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