Don't get pumped.
As of 20 July 2026, the cheapest Premium Diesel in Tasmania is 197.5c per litre at Tas Petroleum, Nunamara — versus the Tasmania average of 216.2c (2.1c above the national average of 214.1c). Across 189 stations, Premium Diesel ranges from 197.5c to 245.9c, so filling a 50-litre tank at the cheapest station saves about $9.35 over the state average. Over the past week the TAS average has risen 15.1c.
Compare Premium Diesel across 189 stations in Tasmania. Updated 06:20 AM, 20 Jul 2026.
Over the past 76 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 | 210.4c | 7 |
| Tas Petroleum | 211.9c | 12 |
| United | 212.8c | 10 |
| Lowes Petroleum BP | 213.4c | 3 |
| Tas Petroleum Shell | 214.6c | 7 |
| Independent | 214.8c | 30 |
| Ampol | 215.3c | 45 |
| Reddy Express | 216.7c | 5 |
The cheapest Premium Diesel price in Tasmania right now is 197.5c per litre, across 189 stations tracked. The cheapest suburb right now is Devonport at a 206.9c average across 3 stations. Filling a 50-litre tank at the cheapest station instead of a station charging the state average of 216.2c saves $9.35. 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 216.2c per litre — 2.1c above the national average of 214.1c. Prices at individual stations range from 197.5c to 245.9c, a spread of 48.4c 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 210.4c per litre average across 7 stations. The gap between the cheapest brand (Astron, 210.4c) and the priciest in our list (Shell, 218.4c) is 8.0c per litre — about $4.00 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 76 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.