Suburb fuel prices

Cheap Premium Diesel in Sinclair Western Australia 6450

Whether Sinclair is running cheap or dear for Premium Diesel right now โ€” from 178.7 c/L, averaging 187.6 c/L across 4 tracked stations in Sinclair.

Prices as of 3 hr ago AEST ยท sourced from FuelWatch

Sinclair ยท Premium DieselIn line with state

HOLD

Premium Diesel in Sinclair is about average for Western Australia

Sinclair sits 0.2c above the Western Australia average. Sinclair is 11.1c/L under its 30-day average right now โ€” near the bottom of the cycle.

How it compares

  • Western Australia state avg187.4c/L+0.2c/L
  • National avg185.3c/L+2.3c/L
  • Wholesale (TGP)160c/L+27.6c/L

At a glance

Sinclair fuel prices at a glance

Cheapest Premium Diesel
178.7 c/L
Suburb average
187.6 c/L
Price range
13.2c spread
Stations tracked
4
Nearby alternatives
4
Brands
3
Postcode
6450
Last updated
3 July 2026, 6:00 am AEST

FuelRadar

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FuelWatch WA

Today and tomorrow fuel prices in Sinclair

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.

Frequently asked

Sinclair fuel questions

The cheapest Premium Diesel in Sinclair is currently at Castletown Service Station for 178.7 c/L.

14-day trendPremium Diesel ยท Sinclair

Prices are easing

Latest average is 9.7c below the start of the fortnight.

Low
183.6c/L
Latest
186.9c/L
High
196.6c/L
-9.7c

30-day spread ยท Premium Diesel

Sinclair Premium Diesel cycle

Sinclair is currently 11.1c/L below its 30-day average โ€” a relatively good time to fill up.

30-day low

178.7c/L

Lowest point in the local spread

30-day average

198.0c/L

30-day high

220.9c/L

Today's average

186.9c/L

178.0199.5221.03 June19 June3 July
Daily averageMinโ€“max spread across Sinclair stations

7-day outlook

Sinclair 7-day Premium Diesel outlook

Falling ยท -2c/L over 7 days

Sinclair prices follow the Perth cycle, so this outlook takes the Perth Premium Diesel forecast and adjusts it to Sinclair'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.

Sinclair today (est.)

189.4c/L

Perth 184.2c/L ยท +5.2c/L local

Predicted in 7 days

187.4c/L

7-day range

185.3 โ€“ 190.8c/L

184.0188.0192.0FriSatSunMonTueWedThu
Predicted price90% confidence band

All fuel types

Fuel prices in Sinclair by type

Low, average and high for each fuel type from the 4 stations tracked here.

FuelLowAvgHighStationsCheapest at
U91172.9c177.2c181.9c4Castletown Service Station
PDSL178.7c187.6c191.9c4Castletown Service Station
P98192.9c200.4c208.9c4Castletown Service Station

Local brands

Fuel brands in Sinclair

Open brand pages for broader price context, loyalty discounts and nearby station coverage before choosing a servo.

Sinclair snapshot

Live Premium Diesel prices in Sinclair

Today's prices

In Sinclair, Western Australia, the cheapest U91 today is 172.9c with an area average of 177.2c across 4 listed stations. Other fuels tracked in this suburb include PDSL from 178.7c and P98 from 192.9c.

Tomorrow's FuelWatch prices

FuelWatch WA has published tomorrow's prices for 4 station-grade listings around Sinclair. Castletown Service Station is the cheapest tomorrow at 178.7c for PDSL (0.0c vs today).

How it compares

Sinclair is currently 0.2c in line with the Western Australia state average of 187.4c. Open the live fuel map to see how individual stations spread within Sinclair.

Compare neighbouring suburbs

Cheaper fuel may be nearby โ€” compare Bandy Creek (from 178.7c), Beaumont (from 178.7c), Boyatup (from 178.7c), Cape Le Grand (from 178.7c) or Cascade (from 178.7c) before planning a fill-up.

Brands operating here

3 fuel brands operate stations in Sinclair, including Caltex, Ampol and BP. Brand loyalty programs and discount apps can shift the cheapest pump by 4โ€“6c/L on any given day.

FuelRadar app

Keep Sinclair fuel prices in your pocket

Track Sinclair prices, watch the local cycle and get an alert before the next jump โ€” from your phone.