Don't get pumped.
As of 18 October 2026, the cheapest Premium Unleaded 95 in South Australia is 243.3c per litre at United, Flinders Park — versus the South Australia average of 251.2c (6.5c below the national average of 257.7c). Across 35 stations, Premium Unleaded 95 ranges from 243.3c to 257.9c, so filling a 50-litre tank at the cheapest station saves about $3.95 over the state average. Over the past week the SA average has risen 2.8c.
Compare Premium Unleaded 95 across 35 stations in South Australia. Updated 07:44 PM, 18 Oct 2026.
Over the past 79 days, Premium Unleaded 95 in South Australia has averaged 240.8c per litre, peaking at 260.1c on 12 October and bottoming out at 211.2c on 31 July — a range of 48.9c. Over the past week the SA average has risen 2.8c. Timing a fill-up around that range matters: on a 50-litre tank, filling at the period low instead of the peak saves $24.45.
| Month | Average Premium Unleaded 95 |
|---|---|
| April 2026 | 198.9c |
| May 2026 | 197.4c |
| August 2026 | 220.3c |
| September 2026 | 239.1c |
| October 2026 | 254.2c |
| Brand | Avg Price | Stations |
|---|---|---|
| United | 244.6c | 3 |
| X Convenience | 245.6c | 3 |
| Ampol | 252.3c | 4 |
| EG Ampol | 252.9c | 3 |
| OTR | 253.3c | 13 |
The cheapest Premium Unleaded 95 price in South Australia right now is 243.3c per litre, across 35 stations tracked. The cheapest suburb right now is Welland at a 248.2c average across 2 stations. Filling a 50-litre tank at the cheapest station instead of a station charging the state average of 251.2c saves $3.95. 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 Premium Unleaded 95 is 251.2c per litre — 6.5c below the national average of 257.7c. Prices at individual stations range from 243.3c to 257.9c, a spread of 14.6c that shows how much shopping around can save. Over the past week the SA average has risen 2.8c. Petrolmate computes this average from every station reporting Premium Unleaded 95 in South Australia via the official government price feed, refreshed twice daily.
United is currently the cheapest brand for Premium Unleaded 95 in South Australia at 244.6c per litre average across 3 stations. The gap between the cheapest brand (United, 244.6c) and the priciest in our list (OTR, 253.3c) is 8.7c per litre — about $4.35 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 79 days, Premium Unleaded 95 in South Australia has averaged 240.8c per litre, peaking at 260.1c on 12 October and bottoming out at 211.2c on 31 July — a range of 48.9c. Over the past week the SA average has risen 2.8c. 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.