Don't get pumped.
As of 3 September 2026, the cheapest Premium Diesel in Northern Territory is 253.9c per litre at Independent, Katherine South — versus the Northern Territory average of 261.7c (7.4c above the national average of 254.3c). Across 38 stations, Premium Diesel ranges from 253.9c to 350.5c, so filling a 50-litre tank at the cheapest station saves about $3.90 over the state average. Over the past week the NT average has risen 14.5c.
Compare Premium Diesel across 38 stations in Northern Territory. Updated 05:59 PM, 03 Sep 2026.
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Over the past 89 days, Premium Diesel in Northern Territory has averaged 220.2c per litre, peaking at 259.9c on 29 August and bottoming out at 194.9c on 20 June — a range of 65.0c. Over the past week the NT average has risen 14.5c. Timing a fill-up around that range matters: on a 50-litre tank, filling at the period low instead of the peak saves $32.50.
| Month | Average Premium Diesel |
|---|---|
| April 2026 | 267.5c |
| May 2026 | 239.3c |
| June 2026 | 201.6c |
| July 2026 | 213.0c |
| August 2026 | 256.0c |
| Brand | Avg Price | Stations |
|---|---|---|
| Independent | 258.3c | 15 |
| EG Ampol | 258.9c | 9 |
| Ampol | 263.3c | 7 |
The cheapest Premium Diesel price in Northern Territory right now is 253.9c per litre, across 38 stations tracked. The cheapest suburb right now is Casuarina at a 255.8c average across 3 stations. Filling a 50-litre tank at the cheapest station instead of a station charging the state average of 261.7c saves $3.90. 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 Northern Territory average for Premium Diesel is 261.7c per litre — 7.4c above the national average of 254.3c. Prices at individual stations range from 253.9c to 350.5c, a spread of 96.6c that shows how much shopping around can save. Over the past week the NT average has risen 14.5c. Petrolmate computes this average from every station reporting Premium Diesel in Northern Territory via the official government price feed, refreshed twice daily.
Independent is currently the cheapest brand for Premium Diesel in Northern Territory at 258.3c per litre average across 15 stations. The gap between the cheapest brand (Independent, 258.3c) and the priciest in our list (Ampol, 263.3c) is 5.0c per litre — about $2.50 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 89 days, Premium Diesel in Northern Territory has averaged 220.2c per litre, peaking at 259.9c on 29 August and bottoming out at 194.9c on 20 June — a range of 65.0c. Over the past week the NT average has risen 14.5c. Monthly averages for the past half-year are published in the table on this page. All figures come from official Northern Territory government price reporting, aggregated daily by Petrolmate.