Costco Fuel Prices in South Australia

As of 20 October 2026, Costco sells Unleaded Petrol in South Australia from 226.7c per litre across 1 stations, averaging 226.7c — 8.9c below the South Australia average of 235.6c. The cheapest Costco Unleaded right now is 226.7c at Costco Blair Athol.

Compare Costco prices across 1 stations in South Australia. Updated 11:01 PM, 20 Oct 2026.

South Australia data source: Petrolmate sources South Australian prices via SA's Informed Sources real-time platform, the state's official live pricing feed. We sync at 6am and 12pm ACDT.
Unleaded Petrol (226.7c)
Premium Unleaded 98 (246.7c)

Costco in South Australia Insights

Costco by Suburb

Blair Athol (227c)

Compare Brands in South Australia

BrandAvg ULPStations
Solo228.4c7
X Convenience231.4c20
Liberty231.8c6
United232.5c10
Ampol234.9c25
OTR235.4c23
AM/PM236.3c5
Caltex237.4c19

Related Pages

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