Costco Fuel Prices in New South Wales

As of 19 October 2026, Costco sells Ethanol 10% in New South Wales from 227.7c per litre across 4 stations, averaging 229.7c — 14.2c below the New South Wales average of 243.9c.

Compare Costco prices across 4 stations in New South Wales. Updated 06:43 AM, 19 Oct 2026.

New South Wales data source: Petrolmate sources NSW prices directly from NSW FuelCheck, the NSW Government's mandatory price reporting platform — every retailer in NSW is required by law to report pump prices within 30 minutes of a change. We sync at 6am and 12pm AEDT, with boost-window syncs every 30 minutes between 06:00 and 10:00 during the morning price-flip window.
Ethanol 10% (229.7c)
Premium Unleaded 98 (256.2c)
229.7c
Average Ethanol 10%
227.7c
Cheapest
232.7c
Highest
4
Stations

Cheapest Costco Ethanol 10% in New South Wales

Costco Casula (Members Only)
Casula • 20 Parkersfarm Place, Casula NSW 2170...
227.7c
Costco Marsden Park (Members Only)
Marsden Park • 10 Langford Drive, Marsden Park NSW 2765...
228.7c
Costco Lake MacQuarie (Members Only)
Boolaroo • 1 Cressy Rd, Boolaroo NSW 2284...
229.7c
Costco Auburn (Members Only)
Lidcombe • Costco 17-21 Parramatta Rd, Lidcombe NSW 2141...
232.7c

Costco in New South Wales Insights

Costco by Suburb

Compare Brands in New South Wales

BrandAvg ULPStations
U-Go235.0c11
Speedway236.4c45
Arko Energy237.3c8
Pearl Energy237.6c50
Budget238.7c29
Metro238.8c194
United239.8c57
Enhance240.2c27

Related Pages

Costco Nationally New South Wales All Brands ULP in New South Wales Diesel in New South WalesCostco in VictoriaCostco in QueenslandCostco in Western AustraliaCostco in South Australia