Don't get pumped.
As of 29 July 2026, the cheapest Premium Diesel in Tasmania is 217.9c per litre at Tas Petroleum Caltex, Scottsdale — versus the Tasmania average of 238.0c (1.1c above the national average of 236.9c). Across 190 stations, Premium Diesel ranges from 217.9c to 260.9c, so filling a 50-litre tank at the cheapest station saves about $10.05 over the state average. Over the past week the TAS average has risen 15.1c.
Compare Premium Diesel across 190 stations in Tasmania. Updated 12:51 AM, 29 Jul 2026.
Over the past 90 days, Premium Diesel in Tasmania has averaged 221.9c per litre, peaking at 256.7c on 30 April and bottoming out at 184.9c on 1 July — a range of 71.8c. 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 $35.90.
| Month | Average Premium Diesel |
|---|---|
| April 2026 | 261.2c |
| May 2026 | 239.7c |
| June 2026 | 209.6c |
| July 2026 | 196.5c |
| Brand | Avg Price | Stations |
|---|---|---|
| Astron | 234.3c | 7 |
| Lowes Petroleum BP | 235.4c | 3 |
| United | 236.0c | 10 |
| Independent | 236.1c | 29 |
| Tas Petroleum | 236.2c | 12 |
| Tas Petroleum Shell | 236.9c | 7 |
| Ampol | 237.6c | 46 |
| Shell | 238.6c | 5 |
The cheapest Premium Diesel price in Tasmania right now is 217.9c per litre, across 190 stations tracked. The cheapest suburb right now is Scottsdale at a 228.9c average across 2 stations. Filling a 50-litre tank at the cheapest station instead of a station charging the state average of 238.0c saves $10.05. 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 238.0c per litre — 1.1c above the national average of 236.9c. Prices at individual stations range from 217.9c to 260.9c, a spread of 43.0c 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 234.3c per litre average across 7 stations. The gap between the cheapest brand (Astron, 234.3c) and the priciest in our list (BP, 239.6c) is 5.3c per litre — about $2.65 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 Tasmania has averaged 221.9c per litre, peaking at 256.7c on 30 April and bottoming out at 184.9c on 1 July — a range of 71.8c. 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.