Don't get pumped.
As of 22 July 2026, the cheapest Premium Diesel in Tasmania is 196.5c per litre at Tas Petroleum, Nunamara — versus the Tasmania average of 219.7c (1.7c above the national average of 218.0c). Across 190 stations, Premium Diesel ranges from 196.5c to 254.9c, so filling a 50-litre tank at the cheapest station saves about $11.60 over the state average. Over the past week the TAS average has risen 15.1c.
Compare Premium Diesel across 190 stations in Tasmania. Updated 02:39 AM, 22 Jul 2026.
Over the past 78 days, Premium Diesel in Tasmania has averaged 219.0c per litre, peaking at 253.6c on 5 May and bottoming out at 184.9c on 1 July — a range of 68.7c. Over the past week the TAS average has risen 15.1c. Timing a fill-up around that range matters: on a 50-litre tank, filling at the period low instead of the peak saves $34.35.
| Month | Average Premium Diesel |
|---|---|
| May 2026 | 237.5c |
| June 2026 | 209.6c |
| July 2026 | 196.5c |
| Brand | Avg Price | Stations |
|---|---|---|
| Astron | 214.2c | 7 |
| Tas Petroleum | 215.7c | 12 |
| United | 215.7c | 10 |
| Tas Petroleum Shell | 216.8c | 7 |
| Independent | 218.3c | 30 |
| Lowes Petroleum BP | 218.7c | 3 |
| Ampol | 218.8c | 46 |
| Reddy Express | 219.3c | 5 |
The cheapest Premium Diesel price in Tasmania right now is 196.5c per litre, across 190 stations tracked. The cheapest suburb right now is Scottsdale at a 209.9c average across 2 stations. Filling a 50-litre tank at the cheapest station instead of a station charging the state average of 219.7c saves $11.60. 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 Tasmania average for Premium Diesel is 219.7c per litre — 1.7c above the national average of 218.0c. Prices at individual stations range from 196.5c to 254.9c, a spread of 58.4c that shows how much shopping around can save. Over the past week the TAS average has risen 15.1c. Petrolmate computes this average from every station reporting Premium Diesel in Tasmania via the official government price feed, refreshed twice daily.
Astron is currently the cheapest brand for Premium Diesel in Tasmania at 214.2c per litre average across 7 stations. The gap between the cheapest brand (Astron, 214.2c) and the priciest in our list (Shell, 221.6c) is 7.4c per litre — about $3.70 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 78 days, Premium Diesel in Tasmania has averaged 219.0c per litre, peaking at 253.6c on 5 May and bottoming out at 184.9c on 1 July — a range of 68.7c. Over the past week the TAS average has risen 15.1c. Monthly averages for the past half-year are published in the table on this page. All figures come from official Tasmania government price reporting, aggregated daily by Petrolmate.