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
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
Nearby stations
Cheapest Premium Diesel stations around Sinclair
No stations found directly in Sinclair. Showing current Premium Diesel prices in surrounding areas.
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.
Prices are easing
Latest average is 9.7c below the start of the fortnight.
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
Cheapest Premium Diesel right now
- 1Castletown Service StationBP ยท 4.2 km away178.7 c/L
- 2Caltex Chadwick OPTCaltex ยท 2.6 km away188.9 c/L
- 3Caltex CastletownCaltex ยท 3.7 km away190.9 c/L
- 4Ampol Foodary EsperanceAmpol ยท 2.0 km away191.9 c/L
Source: Reported Premium Diesel pump prices across Sinclair.
7-day outlook
Sinclair 7-day Premium Diesel outlook
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
All fuel types
Fuel prices in Sinclair by type
Low, average and high for each fuel type from the 4 stations tracked here.
| Fuel | Low | Avg | High | Stations | Cheapest at |
|---|---|---|---|---|---|
| U91 | 172.9c | 177.2c | 181.9c | 4 | Castletown Service Station |
| PDSL | 178.7c | 187.6c | 191.9c | 4 | Castletown Service Station |
| P98 | 192.9c | 200.4c | 208.9c | 4 | Castletown Service Station |
Nearby suburbs
Suburbs near Sinclair
How Sinclair compares to neighbouring areas โ cheapest first, delta vs the Sinclair average.
- SiSinclairYou
187.6c
0.0vs Sinclair - BaBandy Creek
187.6c
0.0vs Sinclair - BeBeaumont
187.6c
0.0vs Sinclair - BoBoyatup
187.6c
0.0vs Sinclair - CaCape Le Grand
187.6c
0.0vs Sinclair - CaCascade
187.6c
0.0vs Sinclair - CaCastletown
187.6c
0.0vs Sinclair - ChChadwick
187.6c
0.0vs Sinclair - CoCondingup
187.6c
0.0vs Sinclair - CoCoomalbidgup
187.6c
0.0vs Sinclair - DaDalyup
187.6c
0.0vs Sinclair
Local brands
Fuel brands in Sinclair
Open brand pages for broader price context, loyalty discounts and nearby station coverage before choosing a servo.
Explore the area
Browse fuel prices around Sinclair
Step up to the city and state, compare neighbouring suburbs, or open the live Premium Diesel map.
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.
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.




