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Cheapest Diesel Fuel Prices around St Marys, SA Today
As of 17 May 2026, the cheapest Diesel around St Marys, SA is 223.50 c/L at Solo Marion. Average across 7 stations within 5km of St Marys centre is 226.00 c/L – down 29.6 cents over the past two weeks.
Prices from South Australia Government, updated every 15 minutes.
Diesel stations around St Marys
7 stations selling Diesel, sorted by price.
Fuel prices by type
7 fuel types available around St Marys.
Frequently asked questions
Where is the cheapest Diesel around St Marys?
The cheapest Diesel around St Marys, SA is 223.50 cents per litre at Solo Marion, 734 Marion Road.
When is the best day to buy fuel in St Marys?
Based on the past 4 weeks, Saturdays tend to have the cheapest Diesel prices around St Marys, averaging 235.30 c/L. Sundays tend to be the most expensive at 252.30 c/L – a difference of 17.0 cents.
How many petrol stations are around St Marys?
FuelTrack tracks prices at 7 stations selling Diesel 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 4 fuel brands around St Marys including Independent, Liberty, United, Ampol. Compare prices across all brands to find the cheapest fuel.
Nearby suburbs
Suburbs near St Marys with Diesel prices, sorted by distance.
Prices from South Australia Government. View all South Australia suburbs. Compare fuel prices across Australia.