Suburb fuel prices
Cheap Unleaded 91 in Sinclair Western Australia 6450
Whether Sinclair is running cheap or dear for Unleaded 91 right now — from 172.9 c/L, averaging 177.9 c/L across 6 tracked stations in Sinclair.
Prices as of 5 hr ago AEST · sourced from FuelWatch
WAIT
Unleaded 91 in Sinclair is dearer than the Western Australia average
Sinclair sits 4.1c above the Western Australia average. Sinclair is 4.4c/L over its 30-day average — prices usually dip later in the cycle.
How it compares
- Western Australia state avg173.8c/L+4.1c/L
- National avg167c/L+10.9c/L
- Wholesale (TGP)148.3c/L+29.6c/L
At a glance
Sinclair fuel prices at a glance
- Cheapest Unleaded 91
- 172.9 c/L
- Suburb average
- 177.9 c/L
- Price range
- 13.0c spread
- Stations tracked
- 6
- Nearby alternatives
- 6
- Brands
- 4
- Postcode
- 6450
- Last updated
- 3 July 2026, 6:00 am AEST
Nearby stations
Cheapest Unleaded 91 stations around Sinclair
No stations found directly in Sinclair. Showing current Unleaded 91 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.
Castletown Service Station
57 Goldfields Rd
U91
172.9 c/L
172.9 c/L
No changeHarbour Rd Truckstop
213 Harbour Rd
U91
172.9 c/L
175.9 c/L
+3.0 c/LCaltex Chadwick OPT
Lot 6 Beckwith Rd
U91
175.9 c/L
175.9 c/L
No changeCaltex Castletown
49 Norseman Rd
U91
177.9 c/L
177.9 c/L
No changeAmpol Foodary Esperance
59 Dempster St
U91
181.9 c/L
181.9 c/L
No changeShell Reddy Express Esperance
25 Andrew St
U91
185.9 c/L
185.9 c/L
No change
Source: FuelWatch WA official next-day prices. Tomorrow prices apply from 6:00am in Western Australia.
Frequently asked
Sinclair fuel questions
The cheapest Unleaded 91 in Sinclair is currently at Harbour Rd Truckstop for 172.9 c/L.
Prices are trending higher
Latest average is 9.4c above the start of the fortnight.
30-day spread · Unleaded 91
Sinclair Unleaded 91 cycle
Sinclair is currently 4.4c/L above its 30-day average — prices may dip in the next cycle.
30-day low
166.9c/L
Lowest point in the local spread
30-day average
180.2c/L
30-day high
214.8c/L
Today's average
184.6c/L
Cheapest Unleaded 91 right now
- 1Castletown Service StationBP · 4.2 km away172.9 c/L
- 2Harbour Rd TruckstopBP · 3.9 km away172.9 c/L
- 3Caltex Chadwick OPTCaltex · 2.6 km away175.9 c/L
- 4Caltex CastletownCaltex · 3.7 km away177.9 c/L
- 5Ampol Foodary EsperanceAmpol · 2.0 km away181.9 c/L
Source: Reported Unleaded 91 pump prices across Sinclair.
7-day outlook
Sinclair 7-day Unleaded 91 outlook
Sinclair prices follow the Perth cycle, so this outlook takes the Perth Unleaded 91 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.
1 day until the cycle peak — fill up before then.
Sinclair today (est.)
182.3c/L
Perth 166.7c/L · +15.6c/L local
Predicted in 7 days
180.2c/L
7-day range
175.6 – 187.5c/L
All fuel types
Fuel prices in Sinclair by type
Low, average and high for each fuel type from the 6 stations tracked here.
| Fuel | Low | Avg | High | Stations | Cheapest at |
|---|---|---|---|---|---|
| U91 | 172.9c | 177.9c | 185.9c | 6 | Harbour Rd Truckstop |
| PDSL | 178.7c | 187.6c | 191.9c | 4 | Castletown Service Station |
| P98 | 192.9c | 198.9c | 208.9c | 5 | Harbour Rd Truckstop |
Nearby suburbs
Suburbs near Sinclair
How Sinclair compares to neighbouring areas — cheapest first, delta vs the Sinclair average.
- SiSinclairYou
177.9c
0.0vs Sinclair - BaBandy Creek
177.9c
0.0vs Sinclair - BeBeaumont
177.9c
0.0vs Sinclair - BoBoyatup
177.9c
0.0vs Sinclair - CaCape Le Grand
177.9c
0.0vs Sinclair - CaCascade
177.9c
0.0vs Sinclair - CaCastletown
177.9c
0.0vs Sinclair - ChChadwick
177.9c
0.0vs Sinclair - CoCondingup
177.9c
0.0vs Sinclair - CoCoomalbidgup
177.9c
0.0vs Sinclair - DaDalyup
177.9c
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 Unleaded 91 map.
Sinclair snapshot
Live Unleaded 91 prices in Sinclair
Today's prices
In Sinclair, Western Australia, the cheapest U91 today is 172.9c with an area average of 177.9c across 6 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 6 station-grade listings around Sinclair. Castletown Service Station is the cheapest tomorrow at 172.9c for U91 (0.0c vs today).
How it compares
Sinclair is currently 4.1c above the Western Australia state average of 173.8c. Open the live fuel map to see how individual stations spread within Sinclair.
Compare neighbouring suburbs
Cheaper fuel may be nearby — compare Bandy Creek (from 172.9c), Beaumont (from 172.9c), Boyatup (from 172.9c), Cape Le Grand (from 172.9c) or Cascade (from 172.9c) 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 — from your phone.
