Cheapest fuel prices, trends and insights across Australia
Cheapest U91 Fuel Prices in Mount Gambier, SA Today
As of 21 May 2026, the cheapest U91 around Mount Gambier, SA is 175.90 c/L at United Petroleum Mount Gambier. Average across 16 stations within 5km of Mount Gambier centre is 182.20 c/L – down 7.1 cents over the past two weeks.
Prices from South Australia Government, updated every 15 minutes.
Cheapest U91 stations in Mount Gambier
Top 16 of 16 stations, sorted by price.
Fuel prices by type
7 fuel types available around Mount Gambier.
Frequently asked questions
Where is the cheapest U91 in Mount Gambier?
The cheapest U91 around Mount Gambier, SA is 175.90 cents per litre at United Petroleum Mount Gambier, 193-195 Jubilee Highway East.
When is the best day to buy fuel in Mount Gambier?
Based on the past 4 weeks, Tuesdays tend to have the cheapest U91 prices around Mount Gambier, averaging 183.40 c/L. Thursdays tend to be the most expensive at 187.40 c/L – a difference of 4.0 cents.
How many petrol stations are in Mount Gambier?
FuelTrack tracks prices at 16 stations selling U91 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 8 fuel brands around Mount Gambier including United, Mobil, APCO, Pearl Energy, BP, Independent, Ampol, Reddy Express. 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.