Live Costco Fuel Prices Across Australia
Track current per-litre prices at all 14 Costco fuel stations in Australia · all 14 sell diesel
All prices in AUD per litre.
Costco fuel prices in Australia are among the lowest posted petrol prices in the country, and they change every day. Right now the national average Costco fuel price is $1.531 per litre for Unleaded 91, $1.741 for Premium 98, and $1.740 for diesel — averaged across all 14 Costco petrol stations we track in Australia.
Actual prices vary from one warehouse to the next, so the number at your local pump can be a little above or below the national average. Use the search box above to check the exact Costco fuel price near you, or scroll down for every Australian station ranked and the 30-day price trend.
30-day Australia average price trend
All Australian Costco fuel stations by price
Sorted from cheapest to most expensive unleaded petrol — tap any town to see hours, services, and the full breakdown for that fuel station.
| # | Station | Unleaded 91 | E10 | Premium 98 | Diesel |
|---|---|---|---|---|---|
| 1 | CasuarinaCheapest | $1.427 | $1.707 | $1.647 | |
| 2 | $1.467 | $1.707 | $1.687 | ||
| 3 | Coomera | $1.487 | $1.727 | $1.727 | |
| 4 | $1.527 | $1.727 | $1.747 | ||
| 5 | Lidcombe | $1.527 | $1.727 | $1.747 | |
| 6 | Casula | $1.527 | $1.727 | $1.747 | |
| 7 | Bundamba | $1.527 | $1.727 | $1.727 | |
| 8 | $1.527 | $1.727 | $1.727 | ||
| 9 | Boolaroo | $1.527 | $1.727 | $1.747 | |
| 10 | $1.547 | $1.727 | $1.727 | ||
| 11 | Kilburn | $1.547 | $1.747 | $1.787 | |
| 12 | $1.547 | $1.787 | $1.727 | ||
| 13 | Moorabbin Airport | $1.557 | $1.787 | $1.787 | |
| 14 | Canberra Airport | $1.627 | $1.827 | $1.827 |
Prices in AUD per litre.
How Costco keeps fuel prices low
Costco treats fuel as a membership perk, not a profit centre. By buying in bulk and running high-volume stations on slim margins, it can post a Costco fuel price that sits below most nearby petrol stations. Because members are already driving to the warehouse, cheap fuel keeps foot traffic — and membership renewals — high, so the savings are built into the business model rather than a temporary promotion.
In Australia you need a valid Costco membership to fill up, and the pump reads your card before dispensing. The trade-off is simple: you pay an annual membership fee, and in return you get a Costco fuel price that can save regular drivers well over that fee each year, plus the same quality unleaded and diesel sold at major brands.
How we track Costco fuel prices?
We check Costco fuel prices daily and refresh Unleaded 91, E10, Premium 98, and diesel for every Australian warehouse, alongside a 30-day trend so you can see which way prices are heading. Numbers are gathered from publicly available sources and are meant as a guide — the price posted at the pump is always the price you pay. This site is independent and is not affiliated with, endorsed by, or sponsored by Costco Wholesale Corporation.