Costco fuel price today
FuelWatch
- Costco in WA
- 222.7
- −11.2
- Cheapest Costco
- 222.7
- Costco sites in WA
- 2
- 12-month gap to Perth metro
- 60 L vs WA median
- $6.72
Costco has 2 servos on FuelWatch's unleaded list for Tuesday 6 October, with a median of 222.7 c/L: −11.2 cents on the WA median of 233.9. Its cheapest WA site is at 222.7.
In metro Perth alone the brand's median is 222.7, −7.2 on the metro figure.
Over twelve months the brand's metro Perth median has run −15.4 cents against the market (FuelWatch daily record): a steady discount.
In Sydney, the FuelCheck record for August 2026 puts Costco's average E10 at 188.2 c/L, −9.9 on the city average.
All 2 of its WA sites are in metro Perth, so the brand never has to price for a remote road.
Costco sells fuel to members only, from a handful of warehouse sites, and prices it as a reason to visit: it is almost always the cheapest in its area. WA has only a couple of Costco servos on FuelWatch; NSW's FuelCheck record covers the Sydney ones.
Costco in detail
In Sydney it had 3 sites reporting in the last FuelCheck month; the cheapest on average was Costco Casula (Members only) in Casula (E10).
Every Costco servo in WA today
| Servo | Brand | ULP | Region |
|---|---|---|---|
| Costco Perth Airport142 Dunreath Dr, Perth Airport | Costco | 222.7 | Metro |
| Costco Casuarina137 Market St, Casuarina | Costco | 222.7 | Metro |
Before you fill up
Is Costco cheaper than other servos?
In WA on Tuesday 6 October its median is −11.2 c/L against the state; over twelve months in Perth, −15.4 c/L.
Where is the cheapest Costco in WA?
Costco Perth Airport, at 222.7 c/L on Tuesday 6 October.