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Cheapest Diesel Fuel Prices in Mount Gambier, SA Today
As of 18 May 2026, the cheapest Diesel around Mount Gambier, SA is 217.90 c/L at Matthews Petroleum. Average across 13 stations within 5km of Mount Gambier centre is 222.30 c/L – down 41.5 cents over the past two weeks.
Prices from South Australia Government, updated every 15 minutes.
Cheapest Diesel stations in Mount Gambier
Top 13 of 13 stations, sorted by price.
Fuel prices by type
7 fuel types available around Mount Gambier.
Frequently asked questions
Where is the cheapest Diesel in Mount Gambier?
The cheapest Diesel around Mount Gambier, SA is 217.90 cents per litre at Matthews Petroleum, 7 O'Leary Road.
When is the best day to buy fuel in Mount Gambier?
Based on the past 4 weeks, Fridays tend to have the cheapest Diesel prices around Mount Gambier, averaging 241.60 c/L. Mondays tend to be the most expensive at 256.90 c/L – a difference of 15.3 cents.
How many petrol stations are in Mount Gambier?
FuelTrack tracks prices at 13 stations selling Diesel around Mount Gambier, SA. The area has 7 fuel types available, including LPG, E10, U91, U95.
What petrol brands are in Mount Gambier?
There are 7 fuel brands around Mount Gambier including BP, United, APCO, Independent, Ampol, Reddy Express, Shell. Compare prices across all brands to find the cheapest fuel.
Prices from South Australia Government. View all South Australia suburbs. Compare fuel prices across Australia.