Suburb fuel prices

Cheap Premium 98 in Postans Western Australia 6167

14.1c below the Western Australia average — Postans is 12.1c/L under its 30-day average right now — near the bottom of the cycle.

Prices as of 4 hr ago AEST · sourced from FuelWatch

WESTERN AUSTRALIA state averageAll fuelsU91DieselP. DieselP95P98E85
Postans · P98Below the state avg

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P98 in Postans is cheaper than the Western Australia average

Postans sits 14.1c below the Western Australia average. Postans is 12.1c/L under its 30-day average right now — near the bottom of the cycle.

WESTERN AUSTRALIA average

How it compares

  • Western Australia state avg190.6c/L-14.1c/L
  • National avg187.6c/L-11.1c/L

Top stations

Cheapest P98 stations in Postans

Sorted by current P98 price. Tap a station for grades, directions and price age.

  1. Costco Casuarina

    Costco Casuarina

    Cheapest

    4.7 km away · 137 Market St

    162.7 c/L

    Tomorrow 162.7 c/LNo change

    -13.8 vs avg

  2. Atlas Fuel Kwinana

    Atlas Fuel Kwinana

    3.0 km away · 1 Mandurah Rd

    163.9 c/L

    Tomorrow 163.9 c/LNo change

    -12.6 vs avg

  3. United Anketell

    United Anketell

    4.7 km away · 5 Albina Ave

    173.5 c/L

    Tomorrow 173.5 c/LNo change

    -3.0 vs avg

  4. United Anketell South

    United Anketell South

    4.7 km away · 805 Thomas Rd

    173.5 c/L

    Tomorrow 173.5 c/LNo change

    -3.0 vs avg

  5. Caltex Kwinana Truck Stop

    Caltex Kwinana Truck Stop

    4.4 km away · 4 Ocean St

    175.9 c/L

    Tomorrow 175.9 c/LNo change

    -0.6 vs avg

  6. Shell Reddy Express Casuarina

    Shell Reddy Express Casuarina

    4.2 km away · 1 Johnson Rd

    176.9 c/L

    Tomorrow 176.9 c/LNo change

    +0.4 vs avg

Showing 6 of 27 stations.

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FuelWatch WA

Today and tomorrow fuel prices in Postans

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.

StationFuelTodayTomorrowMove

  1. Costco Casuarina

    137 Market St

    P98

    162.7 c/L

    162.7 c/L

    No change

  2. Atlas Fuel Kwinana

    1 Mandurah Rd

    P98

    163.9 c/L

    163.9 c/L

    No change

  3. United Naval Base Truck Stop

    13 Lionel St

    P98

    169.5 c/L

    169.5 c/L

    No change

  4. Liberty Naval Base

    24 Dooley St

    P98

    170.5 c/L

    170.5 c/L

    No change

  5. United Leda

    2 Feilman Dr

    P98

    171.9 c/L

    171.9 c/L

    No change

  6. Liberty East Rockingham

    115 Dixon Rd

    P98

    172.5 c/L

    172.5 c/L

    No change

  7. Vibe Baldivis

    120 Kerosene Lane

    P98

    172.7 c/L

    172.7 c/L

    No change

  8. United Anketell

    5 Albina Ave

    P98

    173.5 c/L

    173.5 c/L

    No change

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

30-day spread · P98

Postans P98 cycle

Postans is currently 12.1c/L below its 30-day average — a relatively good time to fill up.

30-day low

162.7c/L

Lowest point in the local spread

30-day average

187.0c/L

30-day high

220.9c/L

Today's average

174.9c/L

162.0191.5221.025 May9 June24 June
Daily averageMin–max spread across Postans stations

Cheapest P98 right now

  1. 1Costco CasuarinaCostco · 4.7 km away162.7 c/L
  2. 2Atlas Fuel KwinanaAtlas · 3.0 km away163.9 c/L
  3. 3United Naval Base Truck StopUnited · 3.5 km away169.5 c/L
  4. 4Liberty Naval BaseLiberty · 3.3 km away170.5 c/L
  5. 5United LedaUnited · 4.5 km away171.9 c/L

Source: Reported P98 pump prices across Postans.

7-day outlook

Postans 7-day P98 outlook

Rising · +11c/L over 7 days

Postans prices follow the Perth cycle, so this outlook takes the Perth P98 forecast and adjusts it to Postans'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.

Postans today (est.)

170.7c/L

Perth 175.9c/L · -5.2c/L local

Predicted in 7 days

181.7c/L

7-day range

164.5 – 192.0c/L

164.0178.5193.0WedThuFriSatSunMonTue
Predicted price90% confidence band
See full 30-day forecastHow accurate is this?

All fuel types

Fuel prices in Postans by type

Low, average and high for each fuel type from the 11 stations tracked here.

FuelLowAvgHighStationsCheapest at
U91144.9c154.4c169.9c10Atlas Fuel Kwinana
P95156.9c168.7c186.9c8Atlas Fuel Kwinana
PDSL161.5c175.4c189.9c6Atlas Fuel Kwinana
P98162.7c176.5c196.9c11Costco Casuarina
DSL158.5c172.9c179.9c7Atlas Fuel Kwinana

Nearby suburbs

Suburbs near Postans

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

  1. Le
    LedaCheapest

    171.9c

    -4.6vs Postans
  2. Na
    Naval Base

    174.6c

    -1.9vs Postans
  3. Ho
    Hope Valley

    174.6c

    -1.9vs Postans
  4. Po
    PostansYou

    176.5c

    0.0vs Postans
  5. Kw
    Kwinana Town Centre

    176.5c

    0.0vs Postans
  6. An
    Anketell

    176.5c

    0.0vs Postans
  7. Kw
    Kwinana Beach

    176.5c

    0.0vs Postans
  8. Ca
    Calista

    176.5c

    0.0vs Postans
  9. Ca
    Casuarina

    176.5c

    0.0vs Postans
  10. Be
    Bertram

    176.5c

    0.0vs Postans
  11. Su
    Success

    177.9c

    +1.4vs Postans

At a glance

Postans fuel prices at a glance

Cheapest P98
162.7 c/L
Suburb average
176.5 c/L
Price range
34.2c spread
Stations tracked
11
Brands
9
Postcode
6167
Last updated
24 June 2026, 6:00 am AEST

Explore the area

Browse fuel prices around Postans

Step up to the city and state, compare neighbouring suburbs, or open the live P98 map.

Postans snapshot

Live P98 prices in Postans

Today's prices

In Postans, Western Australia, the cheapest U91 today is 144.9c with an area average of 154.4c across 10 listed stations. Other fuels tracked in this suburb include P95 from 156.9c, PDSL from 161.5c and P98 from 162.7c.

Tomorrow's FuelWatch prices

FuelWatch WA has published tomorrow's prices for 24 station-grade listings around Postans. Costco Casuarina is the cheapest tomorrow at 162.7c for P98 (0.0c vs today).

How it compares

Postans is currently 14.1c below the Western Australia state average of 190.6c. Open the live fuel map to see how individual stations spread within Postans.

Compare neighbouring suburbs

Cheaper fuel may be nearby — compare Success (from 177.9c), Naval Base (from 169.5c), Hope Valley (from 169.5c), Kwinana Town Centre (from 162.7c) or Anketell (from 162.7c) before planning a fill-up.

Brands operating here

5 fuel brands operate stations in Postans, including Caltex, United, BP, Vibe and Atlas. Brand loyalty programs and discount apps can shift the cheapest pump by 4–6c/L on any given day.

Frequently asked

Postans fuel questions

The cheapest Premium 98 in Postans is currently at Costco Casuarina for 162.7 c/L.

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