Latest snapshot
Over the past 29 days, Costco diesel has eased the most across Australia — down about $0.084 to $2.653 a litre on average.
13 of 14 Costco fuel stations we track saw a meaningful move.
Costco’s pump prices shift constantly. This page tracks how they’ve moved across Australia, refreshed daily from a rolling 30-day price history — so it shows the recent direction, not just one day’s number. For the live price near you right now, see the live Australia Costco fuel price map. Below: which grade moved most, which states swung hardest, and the individual warehouses with the biggest drops and increases.
Which grade moved most
| Grade | Avg now | Change (~29d) |
|---|---|---|
| diesel | $2.653 | ▼ $0.084 decrease |
| Premium 98 | $2.488 | ▲ $0.024 increase |
| unleaded | $2.236 | ▲ $0.006 increase |
Biggest movers by state
Blended unleaded average per state, over roughly the past 29 days. Only states with at least two priced warehouses are ranked.
Biggest drops — cheaper fuel
| State | Stations | Avg now | Change |
|---|---|---|---|
| Western Australia | 2 | $2.127 | ▼ $0.040 decrease |
Biggest increases
| State | Stations | Avg now | Change |
|---|---|---|---|
| Victoria | 3 | $2.274 | ▲ $0.033 increase |
| New South Wales | 4 | $2.287 | ▲ $0.030 increase |
| Queensland | 3 | $2.247 | ▲ $0.020 increase |
Inside the states that moved most, the sharpest single-warehouse swings were:
- Western Australia: Perth Airport (Perth Airport), down $0.040 to $2.127.
- Victoria: Epping (Epping), up $0.040 to $2.267.
- New South Wales: Marsden Park (Marsden Park), up $0.040 to $2.287.
Biggest individual price changes
Biggest drops — cheaper fuel
| Warehouse | Location | Now | Change |
|---|---|---|---|
| Perth Airport | Perth Airport, WA | $2.127 | ▼ $0.040 decrease |
| Casuarina | Casuarina, WA | $2.127 | ▼ $0.040 decrease |
| Adelaide | Kilburn, SA | $2.207 | ▼ $0.020 decrease |
Biggest increases
| Warehouse | Location | Now | Change |
|---|---|---|---|
| Marsden Park | Marsden Park, NSW | $2.287 | ▲ $0.040 increase |
| Canberra | Canberra Airport, ACT | $2.367 | ▲ $0.040 increase |
| Auburn | Lidcombe, NSW | $2.287 | ▲ $0.040 increase |
| Crossroads | Casula, NSW | $2.287 | ▲ $0.040 increase |
| Epping | Epping, VIC | $2.267 | ▲ $0.040 increase |
Costco fuel price trends in other countries
Prices move differently in each market. See the latest recap for the U.S., Canada, the UK, and Mexico.
How we measure this: for every Costco fuel station we compare the latest price against roughly a month earlier, using the same 30-day history behind our price charts. This page is refreshed daily; prices change constantly and vary by location, so always confirm at the pump. This site is independent and not affiliated with Costco Wholesale Corporation.
