Don't get pumped.
As of 20 July 2026, the cheapest Unleaded Petrol in Australian Capital Territory is 172.7c per litre at Costco, Canberra Airport Majura Park — versus the Australian Capital Territory average of 182.1c (1.8c above the national average of 180.3c). Across 61 stations, Unleaded Petrol ranges from 172.7c to 199.9c, so filling a 50-litre tank at the cheapest station saves about $4.70 over the state average. Over the past week the ACT average has risen 15.2c.
Compare Unleaded Petrol across 61 stations in Australian Capital Territory. Updated 04:31 PM, 20 Jul 2026.
Over the past 86 days, Unleaded Petrol in Australian Capital Territory has averaged 179.3c per litre, peaking at 189.5c on 25 April and bottoming out at 163.6c on 1 July — a range of 25.9c. Over the past week the ACT average has risen 15.2c. Timing a fill-up around that range matters: on a 50-litre tank, filling at the period low instead of the peak saves $12.95.
| Month | Average Unleaded Petrol |
|---|---|
| April 2026 | 188.0c |
| May 2026 | 183.4c |
| June 2026 | 174.3c |
| July 2026 | 172.4c |
| Brand | Avg Price | Stations |
|---|---|---|
| Metro | 179.0c | 7 |
| Reddy Express | 181.9c | 18 |
| EG Ampol | 182.0c | 9 |
| 7-Eleven | 182.4c | 10 |
| Ampol Foodary | 183.9c | 9 |
The cheapest Unleaded Petrol price in Australian Capital Territory right now is 172.7c per litre, across 61 stations tracked. The cheapest suburb right now is Mitchell ACT at a 176.7c average across 2 stations. Filling a 50-litre tank at the cheapest station instead of a station charging the state average of 182.1c saves $4.70. 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 182.1c per litre — 1.8c above the national average of 180.3c. Prices at individual stations range from 172.7c to 199.9c, a spread of 27.2c that shows how much shopping around can save. Over the past week the ACT average has risen 15.2c. 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 179.0c per litre average across 7 stations. The gap between the cheapest brand (Metro, 179.0c) and the priciest in our list (Ampol Foodary, 183.9c) is 4.9c per litre — about $2.45 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 86 days, Unleaded Petrol in Australian Capital Territory has averaged 179.3c per litre, peaking at 189.5c on 25 April and bottoming out at 163.6c on 1 July — a range of 25.9c. Over the past week the ACT average has risen 15.2c. 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.