Don't get pumped.
As of 22 July 2026, the cheapest LPG/Autogas in South Australia is 98.9c per litre at Caltex, Noarlunga — versus the South Australia average of 114.7c (6.8c above the national average of 107.9c). Across 125 stations, LPG/Autogas ranges from 98.9c to 220.9c, so filling a 50-litre tank at the cheapest station saves about $7.90 over the state average. Over the past week the SA average has risen 3.2c.
Compare LPG/Autogas across 125 stations in South Australia. Updated 12:09 PM, 22 Jul 2026.
Over the past 88 days, LPG/Autogas in South Australia has averaged 115.1c per litre, peaking at 122.2c on 9 May and bottoming out at 110.9c on 17 June — a range of 11.3c. Over the past week the SA average has risen 3.2c. Timing a fill-up around that range matters: on a 50-litre tank, filling at the period low instead of the peak saves $5.65.
| Month | Average LPG/Autogas |
|---|---|
| April 2026 | 114.1c |
| May 2026 | 114.9c |
| June 2026 | 115.9c |
| July 2026 | 113.6c |
The cheapest LPG/Autogas price in South Australia right now is 98.9c per litre, across 125 stations tracked. The cheapest suburb right now is Elizabeth South at a 100.6c average across 2 stations. Filling a 50-litre tank at the cheapest station instead of a station charging the state average of 114.7c saves $7.90. 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 LPG/Autogas is 114.7c per litre — 6.8c above the national average of 107.9c. Prices at individual stations range from 98.9c to 220.9c, a spread of 122.0c that shows how much shopping around can save. Over the past week the SA average has risen 3.2c. Petrolmate computes this average from every station reporting LPG/Autogas in South Australia via the official government price feed, refreshed twice daily.
AM/PM is currently the cheapest brand for LPG/Autogas in South Australia at 107.6c per litre average across 6 stations. The gap between the cheapest brand (AM/PM, 107.6c) and the priciest in our list (Ampol, 129.0c) is 21.4c per litre — about $10.70 per 50-litre tank. Brand averages are recalculated twice daily from official price data, so the cheapest brand can change with the price cycle.
Over the past 88 days, LPG/Autogas in South Australia has averaged 115.1c per litre, peaking at 122.2c on 9 May and bottoming out at 110.9c on 17 June — a range of 11.3c. Over the past week the SA average has risen 3.2c. Monthly averages for the past half-year are published in the table on this page. All figures come from official South Australia government price reporting, aggregated daily by Petrolmate.