Don't get pumped.
As of 5 September 2026, the cheapest Unleaded Petrol in Australian Capital Territory is 194.7c per litre at Costco, Canberra Airport Majura Park — versus the Australian Capital Territory average of 210.6c (1.4c above the national average of 209.2c). Across 112 stations, Unleaded Petrol ranges from 194.7c to 213.9c, so filling a 50-litre tank at the cheapest station saves about $7.95 over the state average. The ACT average has been flat over the past week.
Compare Unleaded Petrol across 112 stations in Australian Capital Territory. Updated 03:34 AM, 05 Sep 2026.
Over the past 90 days, Unleaded Petrol in Australian Capital Territory has averaged 186.3c per litre, peaking at 211.8c on 5 August and bottoming out at 163.6c on 1 July — a range of 48.2c. The ACT average has been flat over the past week. Timing a fill-up around that range matters: on a 50-litre tank, filling at the period low instead of the peak saves $24.10.
| Month | Average Unleaded Petrol |
|---|---|
| April 2026 | 188.0c |
| May 2026 | 183.4c |
| June 2026 | 174.3c |
| July 2026 | 175.8c |
| August 2026 | 209.2c |
| September 2026 | 208.9c |
| Brand | Avg Price | Stations |
|---|---|---|
| Metro | 207.7c | 12 |
| Ampol | 209.4c | 4 |
| United | 209.4c | 4 |
| EG Ampol | 210.7c | 18 |
| Reddy Express | 210.9c | 30 |
| BP | 211.2c | 4 |
| 7-Eleven | 211.8c | 20 |
| Ampol Foodary | 212.8c | 18 |
The cheapest Unleaded Petrol price in Australian Capital Territory right now is 194.7c per litre, across 112 stations tracked. The cheapest suburb right now is Gungahlin ACT at a 204.9c average across 3 stations. Filling a 50-litre tank at the cheapest station instead of a station charging the state average of 210.6c saves $7.95. 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 Australian Capital Territory average for Unleaded Petrol is 210.6c per litre — 1.4c above the national average of 209.2c. Prices at individual stations range from 194.7c to 213.9c, a spread of 19.2c that shows how much shopping around can save. The ACT average has been flat over the past week. Petrolmate computes this average from every station reporting Unleaded Petrol in Australian Capital Territory via the official government price feed, refreshed twice daily.
Metro is currently the cheapest brand for Unleaded Petrol in Australian Capital Territory at 207.7c per litre average across 12 stations. The gap between the cheapest brand (Metro, 207.7c) and the priciest in our list (Ampol Foodary, 212.8c) is 5.1c per litre — about $2.55 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, Unleaded Petrol in Australian Capital Territory has averaged 186.3c per litre, peaking at 211.8c on 5 August and bottoming out at 163.6c on 1 July — a range of 48.2c. The ACT average has been flat over the past week. 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.