Don't get pumped.
As of 5 September 2026, the cheapest Diesel in Tasmania is 238.9c per litre at Tas Petroleum Shell, Cambridge — versus the Tasmania average of 258.7c (2.4c above the national average of 256.3c). Across 74 stations, Diesel ranges from 238.9c to 284.5c, so filling a 50-litre tank at the cheapest station saves about $9.90 over the state average. Over the past week the TAS average has risen 24.8c.
Compare Diesel across 74 stations in Tasmania. Updated 10:58 PM, 05 Sep 2026.
Over the past 90 days, Diesel in Tasmania has averaged 225.9c per litre, peaking at 264.7c on 1 September and bottoming out at 199.8c on 23 June — a range of 64.9c. Over the past week the TAS average has risen 24.8c. Timing a fill-up around that range matters: on a 50-litre tank, filling at the period low instead of the peak saves $32.45.
| Month | Average Diesel |
|---|---|
| April 2026 | 262.9c |
| May 2026 | 244.0c |
| June 2026 | 209.9c |
| July 2026 | 216.9c |
| August 2026 | 259.2c |
| Brand | Avg Price | Stations |
|---|---|---|
| Tas Petroleum Shell | 246.9c | 3 |
| Tas Petroleum | 252.7c | 8 |
| Ampol Mood Food | 255.7c | 4 |
| Astron | 256.2c | 3 |
| Reddy Express | 257.7c | 12 |
| United | 258.9c | 10 |
| Lowes Petroleum BP | 260.9c | 5 |
| Ampol | 261.2c | 3 |
The cheapest Diesel price in Tasmania right now is 238.9c per litre, across 74 stations tracked. The cheapest suburb right now is Howrah at a 239.8c average across 4 stations. Filling a 50-litre tank at the cheapest station instead of a station charging the state average of 258.7c saves $9.90. 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 Tasmania average for Diesel is 258.7c per litre — 2.4c above the national average of 256.3c. Prices at individual stations range from 238.9c to 284.5c, a spread of 45.6c that shows how much shopping around can save. Over the past week the TAS average has risen 24.8c. Petrolmate computes this average from every station reporting Diesel in Tasmania via the official government price feed, refreshed twice daily.
Tas Petroleum Shell is currently the cheapest brand for Diesel in Tasmania at 246.9c per litre average across 3 stations. The gap between the cheapest brand (Tas Petroleum Shell, 246.9c) and the priciest in our list (BP, 270.4c) is 23.5c per litre — about $11.75 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, Diesel in Tasmania has averaged 225.9c per litre, peaking at 264.7c on 1 September and bottoming out at 199.8c on 23 June — a range of 64.9c. Over the past week the TAS average has risen 24.8c. 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.