Compare Diesel across 1,158 stations in New South Wales. Updated 01:16 PM, 04 Jun 2026.
New South Wales data source: Petrolmate sources NSW prices directly from
NSW FuelCheck, the NSW Government's mandatory price reporting platform — every retailer in NSW is required by law to report pump prices within 30 minutes of a change. We sync at 6am and 12pm AEDT, with boost-window syncs every 30 minutes between 06:00 and 10:00 during the morning price-flip window.
Best day to fill up — Diesel in New South Wales
Fill up on Mon or Tue, avoid Thu
NSW follows a predictable weekly price cycle. Prices typically peak on Thursday and are lowest on Monday/Tuesday. Fill up early in the week (Monday/Tuesday) to catch the lowest prices before Thursday's peak.