Cheapest fuel prices, trends and insights across Australia
Cheapest U98 Fuel Prices around St Marys, SA Today
As of 13 May 2026, the cheapest U98 around St Marys, SA is 189.90 c/L at EG Ampol Eden Hills. Average across 27 stations within 5km of St Marys centre is 199.80 c/L – down 15.8 cents over the past two weeks.
Prices from South Australia Government, updated every 15 minutes.
U98 stations around St Marys
27 stations selling U98, sorted by price.
Fuel prices by type
7 fuel types available around St Marys.
Frequently asked questions
Where is the cheapest U98 around St Marys?
The cheapest U98 around St Marys, SA is 189.90 cents per litre at EG Ampol Eden Hills, 272 Shepherds Hill Rd & Northcote Rd.
When is the best day to buy fuel in St Marys?
Based on the past 4 weeks, Tuesdays tend to have the cheapest U98 prices around St Marys, averaging 203.60 c/L. Wednesdays tend to be the most expensive at 209.90 c/L – a difference of 6.3 cents.
How many petrol stations are around St Marys?
FuelTrack tracks prices at 27 stations selling U98 around St Marys, SA. The area has 7 fuel types available, including LPG, E10, U91, U95.
What petrol brands are around St Marys?
There are 5 fuel brands around St Marys including Ampol, U-Go, Independent, United, Liberty. Compare prices across all brands to find the cheapest fuel.
Nearby suburbs
Suburbs near St Marys with U98 prices, sorted by distance.
Prices from South Australia Government. View all South Australia suburbs. Compare fuel prices across Australia.