Costco Fuel Prices in Adelaide
Costco Adelaide (404-406 Churchill Rd, Kilburn) is at 206.7c per litre for Unleaded as of Sep 17, 2026. Prices are tracked from South Australia's official Fuel Pricing Information Scheme — every change reported, every change on the chart below.
Today's Costco Member Fuel Prices
Costco Fuel Station, 404-406 Churchill Rd, Kilburn, Adelaide, SA. Prices are for Costco members and are updated when station prices change.
About this station
The Kilburn forecourt is South Australia's only Costco fuel site, an easy reach from Churchill Rd or Regency Rd for most of northern Adelaide. Grades: Unleaded, Premium 98, Premium Diesel; membership required at the pump.
Adelaide's price cycle
Adelaide petrol follows a roughly fortnightly cycle with sharp jumps and slow declines. Costco holds the market floor through the cycle, but the chart above helps you fill in the trough rather than the spike.
How we track this price
SA's pricing scheme requires timely reporting of every change; we log each one at this station to build the genuine history above.