Fuel Cheap St Marys fuel prices, live today
Live petrol & diesel prices across St Marys, New South Wales. There are 7 fuel stations in St Marys (2760) across 4 brands, with North St Marys just 0.8 km away. The most common brands in St Marys are BP, 7-Eleven, Metro Fuel. Pulled from the NSW Government FuelCheck program, updated every 15 minutes.
St Marys Unleaded Prices
St Marys fuel price map
Cheap fuel in St Marys (2760), NSW
The cheapest fuel in St Marys right now is U91 190.5¢, E10 188.5¢, diesel 249.9¢ (cents per litre). Compare live, discounted petrol, diesel and E10 prices at every reporting station near St Marys - sorted cheapest first and refreshed every 15 minutes from official NSW Government fuel data. No ads, no sign-up.
Fill up in St Marys?Based on the Penrith price cycle
Wait if you canPenrith E10 is 201.5c/L, near the top of its 196.5-201.5c cycle and still rising. Hold off if you can - a price drop is likely.
Fuel stations in St Marys
Live prices for every reporting station in St Marys. Tap one for its own live prices, 14-day trend and directions.
Nearby suburbs
Cheaper local areas
The Penrith area price trend
St Marys sits about 8 km from the Penrith price catchment, where 127 stations report live prices. Local pumps broadly follow the Penrith price cycle - outer suburbs typically lag the centre by a day or two, so the 14-day trend below is your early warning for where St Marys prices head next. The Penrith unleaded average over the trailing fortnight is about 198.1c/L - use it as the benchmark for whether a St Marys price is genuinely cheap. Full breakdown on the Penrith fuel prices page.
Penrith Fuel Price Trends
14-day regional average · NSW
Frequently asked
What is the cheapest fuel in St Marys right now?
Right now the cheapest fuel in St Marys (2760), NSW is U91 190.5¢, E10 188.5¢, diesel 249.9¢ (cents per litre), refreshed every 15 minutes from the NSW Government FuelCheck program. The live price list on this page sorts every reporting station cheapest-first - pick a fuel type to compare E10, Unleaded 91, Premium 95/98 and diesel.
How many petrol stations are in St Marys?
There are 7 reporting stations directly in St Marys, across 4 brands. The live price list on this page also pulls in the nearest reporting stations outside St Marys so you don't miss a cheaper fill-up just outside the suburb line.
When is fuel cheapest in St Marys?
St Marys follows the NSW 4 to 6 week fuel cycle but lags the major metro centres by 24-48 hours. The cheapest pumps in St Marys tend to be mid-week (Tuesday to Thursday). The closest cheaper alternative is usually North St Marys, 0.8 km away. Check the live price list on this page before filling up.
Which fuel types does Fuel Daddy show for St Marys?
Live prices in St Marys cover Unleaded 91, Unleaded E10, Premium 95, Premium 98, Diesel and Premium Diesel wherever each of its 7 reporting stations carries them. Most major brands here also report E85 flex-fuel where it's available. Use the fuel-type dropdown above the price list to switch between them.
How often are St Marys fuel prices updated?
Every 15 minutes. NSW fuel retailers must report price changes to the Government within 30 minutes of the bowser changing, and Fuel Daddy refreshes from the NSW Government FuelCheck program four times an hour. The 7 stations reporting in St Marys are re-checked on every refresh (this page last generated 16:07 AEST, 24 August 2026).
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