Don't get pumped.
As of 2 September 2026, the cheapest Premium Unleaded 98 in Australian Capital Territory is 212.7c per litre at Costco, Canberra Airport ACT — versus the Australian Capital Territory average of 233.9c (2.0c above the national average of 231.9c). Across 124 stations, Premium Unleaded 98 ranges from 212.7c to 249.9c, so filling a 50-litre tank at the cheapest station saves about $10.60 over the state average. Over the past week the ACT average has risen 3.9c.
Compare Premium Unleaded 98 across 124 stations in Australian Capital Territory. Updated 10:37 PM, 02 Sep 2026.
Over the past 90 days, Premium Unleaded 98 in Australian Capital Territory has averaged 209.9c per litre, peaking at 237.9c on 5 August and bottoming out at 189.4c on 1 July — a range of 48.5c. Over the past week the ACT average has risen 3.9c. Timing a fill-up around that range matters: on a 50-litre tank, filling at the period low instead of the peak saves $24.25.
| Month | Average Premium Unleaded 98 |
|---|---|
| April 2026 | 213.5c |
| May 2026 | 209.3c |
| June 2026 | 200.5c |
| July 2026 | 201.9c |
| August 2026 | 235.3c |
| Brand | Avg Price | Stations |
|---|---|---|
| Metro | 228.8c | 12 |
| United | 229.9c | 4 |
| BP | 232.7c | 16 |
| 7-Eleven | 234.4c | 20 |
| Reddy Express | 234.9c | 30 |
| EG Ampol | 235.3c | 18 |
| Ampol Foodary | 236.8c | 18 |
| Ampol | 239.9c | 4 |
The cheapest Premium Unleaded 98 price in Australian Capital Territory right now is 212.7c per litre, across 124 stations tracked. The cheapest suburb right now is Amaroo ACT at a 225.9c average across 2 stations. Filling a 50-litre tank at the cheapest station instead of a station charging the state average of 233.9c saves $10.60. 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 Australian Capital Territory average for Premium Unleaded 98 is 233.9c per litre — 2.0c above the national average of 231.9c. Prices at individual stations range from 212.7c to 249.9c, a spread of 37.2c that shows how much shopping around can save. Over the past week the ACT average has risen 3.9c. Petrolmate computes this average from every station reporting Premium Unleaded 98 in Australian Capital Territory via the official government price feed, refreshed twice daily.
Metro is currently the cheapest brand for Premium Unleaded 98 in Australian Capital Territory at 228.8c per litre average across 12 stations. The gap between the cheapest brand (Metro, 228.8c) and the priciest in our list (Ampol, 239.9c) is 11.1c per litre — about $5.55 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 90 days, Premium Unleaded 98 in Australian Capital Territory has averaged 209.9c per litre, peaking at 237.9c on 5 August and bottoming out at 189.4c on 1 July — a range of 48.5c. Over the past week the ACT average has risen 3.9c. Monthly averages for the past half-year are published in the table on this page. All figures come from official Australian Capital Territory government price reporting, aggregated daily by Petrolmate.