Brand prices by city
Costco fuel prices in Perth
Costco Unleaded 91 in Perth averages 138.7c, from 138.7c across 1 stations — 12.6c cheaper than the Perth average. Live prices updated every 15 minutes.
Source: FuelWatch
138.7c
138.7c
151.3c
1
CHEAPER
Costco runs cheaper than Perth
Costco unleaded 91 averages 138.7c/L in Perth — 12.6c/L under the Perth average of 151.3c/L. Even so, the cheapest local servo usually beats a brand average — fill up when you spot one near the bottom of the cycle.
The numbers
Costco avg in Perth: 138.7 c/L · Perth average (all brands): 151.3 c/L · vs city: -12.6c/L · Cheapest Costco now: 138.7 c/LCheapest Costco stations in Perth
Fair price 151.3| Rank | Station | Price | vs fair | Distance | Directions |
|---|---|---|---|---|---|
| Cheapest |  Costco Perth Airport WA | 138.7c/L | fairat or below fair price | 8.7 km |
- Cheapest8.7 km
Costco Perth Airport
WA
138.7c/Lfairat or below fair price
Costco Unleaded 91
Costco Unleaded 91 prices in Perth
Low, average and high across the 1 Costco stations tracked in Perth.
| Fuel | Low | Avg | High | Stations | Cheapest at |
|---|---|---|---|---|---|
| Costco Unleaded 91 | 138.7c | 138.7c | 138.7c | 1 | — |
Timing
Should you fill up in Perth?
Perth fuel prices move on a multi-week cycle that affects every brand, Costco included. The cheapest day to buy depends on where the city sits in that cycle — check the live cycle page before a big fill-up.
See the live price cycleCheaper by brand in Perth
Cheapest unleaded 91 brands in Perth
How Costco stacks up against rival brands in Perth, cheapest first. A single station can still beat its brand's average — the leaderboard up top has the live winner.
Costco in Perth
Costco fuel prices in Perth at a glance
- Cheapest Costco now
- 138.7 c/L
- Costco Perth average
- 138.7 c/L
- Perth average (all brands)
- 151.3 c/L
- vs city average
- -12.6c/L cheaper
- Costco stations
- 1
- Cheapest station
- Costco Perth Airport
- Data source
- FuelWatch
Costco · Perth
Costco fuel prices in Perth
Today's prices
Costco unleaded 91 in Perth, Western Australia averages 138.7c/L across 1 stations, with the cheapest listed today at 138.7c/L at Costco Perth Airport. Compare every Costco station in Perth on the live map before you fill up.
Is Costco cheap in Perth?
Against the Perth average of 151.3c/L across all brands, Costco runs 12.6c/L cheaper. Brand averages move with the price cycle and dockets shift what you actually pay, so compare other brands in Perth — no single network is always cheapest.
Local timing tip
In Perth, Costco prices move with the broader city cycle. The single cheapest Costco station today can beat the brand average by several cents — the spread here between lowest and highest Costco listing is often several cents. Check the ranked list above, then confirm on the live map before you commit. Stacking a supermarket docket or club membership on top of a keen local servo commonly adds another 4–6c/L in effective saving.
Beyond this city
This page scopes Costco to Perth. For the full picture — state coverage, city averages and cheaper suburbs nationwide — see the Costco brand page.
Local advice for Perth
For drivers in Perth, the cheapest Costco station is rarely the only option — compare against Solo in Perth or Burk in Perth. See how Costco performs in other cities such as Melbourne or Adelaide. Time fills against the city cycle for the biggest saving on this brand locally.
Keep exploring
More Costco and Perth fuel prices
See where Costco is keenest in other cities, how rival brands price in Perth, or skip the brand debate and find the cheapest servo near you.
Common questions
Costco in Perth FAQ
Yes — Costco Unleaded 91 in Perth averages 138.7c, about 12.6c cheaper than the Perth average of 151.3c. The cheapest station almost always beats the brand average, so compare live prices before you fill up.
FuelRadar app
Never overpay for Costco in Perth
Track Costco prices in Perth, watch the cycle and get an alert before the next jump — from your phone.
