Latest snapshot
Over the past 29 days, Costco diesel has climbed the most across Australia — up about $0.586 to $2.216 a litre on average.
14 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 | $2.216 | ▲ $0.586 increase |
| unleaded | $1.793 | ▲ $0.366 increase |
| Premium 98 | $1.980 | ▲ $0.337 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 increases
| State | Stations | Avg now | Change |
|---|---|---|---|
| Victoria | 3 | $1.820 | ▲ $0.407 increase |
| New South Wales | 4 | $1.767 | ▲ $0.373 increase |
| Western Australia | 2 | $1.747 | ▲ $0.360 increase |
| Queensland | 3 | $1.767 | ▲ $0.300 increase |
Inside the states that moved most, the sharpest single-warehouse swings were:
- Victoria: Ardeer (Ardeer), up $0.440 to $1.827.
- New South Wales: Marsden Park (Marsden Park), up $0.380 to $1.767.
- Western Australia: Perth Airport (Perth Airport), up $0.360 to $1.747.
Biggest individual price changes
Biggest increases
| Warehouse | Location | Now | Change |
|---|---|---|---|
| Ardeer | Ardeer, VIC | $1.827 | ▲ $0.440 increase |
| Moorabbin | Moorabbin Airport, VIC | $1.847 | ▲ $0.400 increase |
| Marsden Park | Marsden Park, NSW | $1.767 | ▲ $0.380 increase |
| Auburn | Lidcombe, NSW | $1.767 | ▲ $0.380 increase |
| Crossroads | Casula, NSW | $1.767 | ▲ $0.380 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.
