Don't get pumped.
As of 21 October 2026, the cheapest Ethanol 10% in South Australia is 219.5c per litre at Liberty, Seaford — versus the South Australia average of 225.4c (11.1c below the national average of 236.5c). Across 30 stations, Ethanol 10% ranges from 219.5c to 238.9c, so filling a 50-litre tank at the cheapest station saves about $2.95 over the state average.
Compare Ethanol 10% across 30 stations in South Australia. Updated 09:14 PM, 21 Oct 2026.
The cheapest Ethanol 10% price in South Australia right now is 219.5c per litre, across 30 stations tracked. The cheapest suburb right now is Blair Athol at a 224.7c average across 2 stations. Filling a 50-litre tank at the cheapest station instead of a station charging the state average of 225.4c saves $2.95. See the live cheapest-stations list on this page for the exact station, address and suburb. Prices update twice daily from the official state government feed, so the cheapest station can change between the morning and afternoon updates — check again before you drive.
The current South Australia average for Ethanol 10% is 225.4c per litre — 11.1c below the national average of 236.5c. Prices at individual stations range from 219.5c to 238.9c, a spread of 19.4c that shows how much shopping around can save. Petrolmate computes this average from every station reporting Ethanol 10% in South Australia via the official government price feed, refreshed twice daily.
Liberty is currently the cheapest brand for Ethanol 10% in South Australia at 224.8c per litre average across 7 stations. The gap between the cheapest brand (Liberty, 224.8c) and the priciest in our list (Solo, 226.9c) is 2.1c per litre — about $1.05 per 50-litre tank. Brand averages are recalculated twice daily from official price data, so the cheapest brand can change with the price cycle.