Cheapest U91 Fuel Prices in South Australia Today

As of 21 May 2026, compare live U91 prices across 231 stations in 90 suburbs across South Australia. Cheapest right now is 167.50 c/L in Port Adelaide. State average is 180.90 c/L. Prices from official South Australia government data, updated every 15 minutes.

Prices are pulling back

U91 prices across South Australia swung 10.3 cents over the past 4 weeks. The Middle East conflict drove a surge to 185.20 c/L around 15 May, before the fuel excise cut on 1 April brought some relief. Currently averaging 180.90 c/L. The spread between cheapest and most expensive suburbs is 39.4 cents.

Cheapest suburbs for U91 in South Australia

Lowest live price per suburb.

Most expensive suburbs for U91

Highest live U91 price per suburb.

Regions in South Australia

Browse fuel prices by metro area and region.

90 suburbs in South Australia

Browse live U91 prices by suburb, sorted alphabetically.

Aberfoyle Parkfrom 179.90Adelaidefrom 176.90Aldingafrom 179.90Angle Valefrom 179.90Berrifrom 167.50Blackwoodfrom 179.90Bolivarfrom 179.90Bordertownfrom 190.90Broadviewfrom 173.90Burrafrom 187.90Burtonfrom 179.90Cavanfrom 179.90Cedunafrom 199.90Christies Beachfrom 179.90Clarence Parkfrom 179.90Cowellfrom 182.50Croydon Parkfrom 169.90Darlingtonfrom 179.90Davoren Parkfrom 179.50Dry Creekfrom 179.90Edwardstownfrom 173.90Elizabethfrom 169.90Elizabeth Southfrom 168.90Findonfrom 175.90Gawlerfrom 179.90Gepps Crossfrom 169.90Glenungafrom 169.90Golden Grovefrom 171.90Hawkerfrom 206.90Hectorvillefrom 179.90Hillcrestfrom 169.50Holden Hillfrom 171.90Jamestownfrom 192.90Kapundafrom 183.90Keithfrom 188.90Kilburnfrom 170.70Klemzigfrom 171.50Largs Bayfrom 179.90Mawson Lakesfrom 171.90Modburyfrom 179.90Morphett Valefrom 179.90Mount Gambierfrom 175.90Murray Bridgefrom 186.90Murray Bridge Eastfrom 186.90Newtonfrom 179.90Noarlunga Centrefrom 179.90North Brightonfrom 179.90Nuriootpafrom 179.90O'halloran Hillfrom 179.90Old Noarlungafrom 169.90Parafieldfrom 171.90Parafield Gardensfrom 179.90Paralowiefrom 179.90Plymptonfrom 179.90Poorakafrom 169.90Port Adelaidefrom 167.50Port Augustafrom 189.90Port Augusta Westfrom 189.90Port Lincolnfrom 190.50Port Wakefieldfrom 184.90Prospectfrom 179.90Queenstownfrom 169.50Renmarkfrom 193.50Reynellafrom 179.90Roseworthyfrom 179.90Salisburyfrom 169.90Salisbury Downsfrom 175.90Seafordfrom 173.90Seatonfrom 169.50Sheidow Parkfrom 171.50Smithfieldfrom 169.50St Marysfrom 173.90St Petersfrom 178.50Stirlingfrom 179.90Strathalbynfrom 175.90Tailem Bendfrom 183.90Tumby Bayfrom 196.90Unleyfrom 179.90Valley Viewfrom 179.50Victor Harborfrom 181.90Virginiafrom 179.90Wallaroofrom 189.90Wellandfrom 175.90West Beachfrom 179.90West Lakesfrom 179.90Whyalla Norriefrom 194.50Wingfieldfrom 179.90Woodville Northfrom 167.90Woodville Southfrom 169.50Yuntafrom 192.90

Frequently asked questions

Where is the cheapest fuel in South Australia?

As of 21 May 2026, the cheapest U91 in South Australia is 167.50 cents per litre in Port Adelaide. The state average is 180.90 c/L across 231 stations. Prices update every 15 minutes from official government data.

How many petrol stations are in South Australia?

FuelTrack tracks prices at 231 petrol stations across 90 suburbs in South Australia. Prices are sourced from official government fuel price monitoring schemes and updated every 15 minutes.

What is the best day to buy fuel in South Australia?

Based on the past 4 weeks, Tuesdays tend to have the cheapest U91 prices in South Australia, averaging 177.90 c/L. Saturdays tend to be the most expensive at 180.70 c/L – a difference of 2.8 cents. Patterns vary by suburb, so check your local area for the most accurate timing.

Compare fuel prices in other states

Prices from official South Australia government fuel price monitoring data. Compare fuel prices across Australia.