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Cheapest Diesel Fuel Prices in Mount Gambier, SA Today
As of 15 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 45.3 cents over the past two weeks.
Prices from New South Wales Government, updated every 15 minutes.
Cheapest Diesel stations in Mount Gambier
Top 13 of 13 stations, sorted by price.
Cheapest suburbs in the Mount Gambier area
Lowest live Diesel price per suburb across the wider Mount Gambier area. Distance from Mount Gambier centre.
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, Thursdays tend to have the cheapest Diesel prices around Mount Gambier, averaging 242.30 c/L. Saturdays tend to be the most expensive at 260.40 c/L – a difference of 18.1 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 New South Wales Government. View all New South Wales suburbs. Compare fuel prices across Australia.