Costco Fuel Prices in New South Wales

As of 3 September 2026, Costco sells Ethanol 10% in New South Wales from 188.7c per litre across 4 stations, averaging 188.7c — 18.5c below the New South Wales average of 207.2c.

Compare Costco prices across 4 stations in New South Wales. Updated 03:28 PM, 03 Sep 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% (188.7c)
Premium Unleaded 98 (216.2c)
188.7c
Average Ethanol 10%
188.7c
Cheapest
188.7c
Highest
4
Stations

Cheapest Costco Ethanol 10% in New South Wales

Costco Lake MacQuarie (Members Only)
Boolaroo • 1 Cressy Rd, Boolaroo NSW 2284...
188.7c
Costco Casula (Members Only)
Casula • 20 Parkersfarm Place, Casula NSW 2170...
188.7c
Costco Auburn (Members Only)
Lidcombe • Costco 17-21 Parramatta Rd, Lidcombe NSW 2141...
188.7c
Costco Marsden Park (Members Only)
Marsden Park • 10 Langford Drive, Marsden Park NSW 2765...
188.7c

Costco in New South Wales Insights

Costco by Suburb

Compare Brands in New South Wales

BrandAvg ULPStations
Speedway198.1c45
Pearl Energy198.5c50
U-Go198.7c9
Budget198.7c29
Metro200.1c195
Arko Energy200.3c8
Enhance201.2c27
Ultra Petroleum201.8c12

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