Don't get pumped.
As of 5 September 2026, the cheapest Premium Diesel in New South Wales is 225.9c per litre at Metro, Minto — versus the New South Wales average of 255.0c (1.3c below the national average of 256.3c). Across 1,420 stations, Premium Diesel ranges from 225.9c to 285.9c, so filling a 50-litre tank at the cheapest station saves about $14.55 over the state average. Over the past week the NSW average has risen 15.0c.
Compare Premium Diesel across 1,420 stations in New South Wales. Updated 02:37 PM, 05 Sep 2026.
Over the past 90 days, Premium Diesel in New South Wales has averaged 217.3c per litre, peaking at 253.1c on 27 August and bottoming out at 190.8c on 23 June — a range of 62.3c. Over the past week the NSW average has risen 15.0c. Timing a fill-up around that range matters: on a 50-litre tank, filling at the period low instead of the peak saves $31.15.
| Month | Average Premium Diesel |
|---|---|
| April 2026 | 256.8c |
| May 2026 | 234.5c |
| June 2026 | 203.2c |
| July 2026 | 208.8c |
| August 2026 | 249.6c |
| Brand | Avg Price | Stations |
|---|---|---|
| U-Go | 241.4c | 10 |
| Costco | 241.7c | 4 |
| Metro | 244.5c | 171 |
| Budget | 245.4c | 22 |
| Speedway | 246.0c | 16 |
| Enhance | 246.1c | 25 |
| Arko Energy | 247.4c | 7 |
| Pearl Energy | 247.6c | 17 |
The cheapest Premium Diesel price in New South Wales right now is 225.9c per litre, across 1,420 stations tracked. The cheapest suburb right now is Canley Heights at a 233.2c average across 2 stations. Filling a 50-litre tank at the cheapest station instead of a station charging the state average of 255.0c saves $14.55. 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 Premium Diesel is 255.0c per litre — 1.3c below the national average of 256.3c. Prices at individual stations range from 225.9c to 285.9c, a spread of 60.0c that shows how much shopping around can save. Over the past week the NSW average has risen 15.0c. Petrolmate computes this average from every station reporting Premium Diesel in New South Wales via the official government price feed, refreshed twice daily.
U-Go is currently the cheapest brand for Premium Diesel in New South Wales at 241.4c per litre average across 10 stations. The gap between the cheapest brand (U-Go, 241.4c) and the priciest in our list (Mobil, 250.1c) 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 90 days, Premium Diesel in New South Wales has averaged 217.3c per litre, peaking at 253.1c on 27 August and bottoming out at 190.8c on 23 June — a range of 62.3c. Over the past week the NSW average has risen 15.0c. 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.