Don't get pumped.
As of 19 July 2026, the cheapest Diesel in New South Wales is 181.9c per litre at Ampol Foodary, Greenacre — versus the New South Wales average of 210.4c (1.8c below the national average of 212.2c). Across 1,147 stations, Diesel ranges from 181.9c to 336.0c, so filling a 50-litre tank at the cheapest station saves about $14.25 over the state average. Over the past week the NSW average has risen 20.4c.
Compare Diesel across 1,147 stations in New South Wales. Updated 06:04 PM, 19 Jul 2026.
Over the past 80 days, Diesel in New South Wales has averaged 222.5c per litre, peaking at 260.1c on 30 April and bottoming out at 184.7c on 1 July — a range of 75.4c. Over the past week the NSW average has risen 20.4c. Timing a fill-up around that range matters: on a 50-litre tank, filling at the period low instead of the peak saves $37.70.
| Month | Average Diesel |
|---|---|
| May 2026 | 239.2c |
| June 2026 | 212.3c |
| July 2026 | 198.4c |
| Brand | Avg Price | Stations |
|---|---|---|
| Powerfuel | 195.0c | 4 |
| Speedway | 199.9c | 39 |
| Ultra Petroleum | 200.8c | 10 |
| Pearl Energy | 201.5c | 12 |
| Budget | 202.0c | 9 |
| Ampol Breeze | 202.0c | 4 |
| Metro | 202.7c | 67 |
| Arko Energy | 203.1c | 4 |
The cheapest Diesel price in New South Wales right now is 181.9c per litre, across 1,147 stations tracked. The cheapest suburb right now is Granville at a 189.5c average across 3 stations. Filling a 50-litre tank at the cheapest station instead of a station charging the state average of 210.4c saves $14.25. 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 New South Wales average for Diesel is 210.4c per litre — 1.8c below the national average of 212.2c. Prices at individual stations range from 181.9c to 336.0c, a spread of 154.1c that shows how much shopping around can save. Over the past week the NSW average has risen 20.4c. Petrolmate computes this average from every station reporting Diesel in New South Wales via the official government price feed, refreshed twice daily.
Powerfuel is currently the cheapest brand for Diesel in New South Wales at 195.0c per litre average across 4 stations. The gap between the cheapest brand (Powerfuel, 195.0c) and the priciest in our list (United, 206.9c) is 11.9c per litre — about $5.95 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 80 days, Diesel in New South Wales has averaged 222.5c per litre, peaking at 260.1c on 30 April and bottoming out at 184.7c on 1 July — a range of 75.4c. Over the past week the NSW average has risen 20.4c. Monthly averages for the past half-year are published in the table on this page. All figures come from official New South Wales government price reporting, aggregated daily by Petrolmate.