Cheapest fuel prices, trends and insights across Australia
Cheapest U91 Fuel Prices in Adelaide, SA Today
As of 25 May 2026, the cheapest U91 around Adelaide, SA is 166.70 c/L at Costco Kilburn. Average across 201 stations within 15km of Adelaide centre is 176.60 c/L – down 1.0 cents over the past two weeks.
Prices from Australian Capital Territory Government, updated every 15 minutes.
Cheapest U91 stations in Adelaide
Top 20 of 201 stations, sorted by price.
Cheapest suburbs in the Adelaide area
Lowest live U91 price per suburb across the wider Adelaide area. Distance from Adelaide centre.
Fuel prices by type
7 fuel types available around Adelaide.
Frequently asked questions
Where is the cheapest U91 in Adelaide?
The cheapest U91 around Adelaide, SA is 166.70 cents per litre at Costco Kilburn, 404-406 Churchill Road. The cheapest suburbs in the Adelaide area are Kilburn (166.70), Smithfield (169.50), Glenunga (169.90).
When is the best day to buy fuel in Adelaide?
Based on the past 4 weeks, Wednesdays tend to have the cheapest U91 prices around Adelaide, averaging 175.70 c/L. Fridays tend to be the most expensive at 178.60 c/L – a difference of 2.9 cents.
How many petrol stations are in Adelaide?
FuelTrack tracks prices at 201 stations selling U91 around Adelaide, SA. The area has 7 fuel types available, including LPG, E10, U91, U95.
What petrol brands are in Adelaide?
There are 8 fuel brands around Adelaide including Costco, United, Liberty, Mobil, Independent, Pearl Energy, Ampol, U-Go. Compare prices across all brands to find the cheapest fuel.
More suburbs in the Adelaide area
14 more suburbs with U91 prices across the wider Adelaide area, sorted alphabetically.
Prices from Australian Capital Territory Government. View all Australian Capital Territory suburbs. Compare fuel prices across Australia.