Cheapest U91 Fuel Prices in Adelaide, SA Today

As of 8 April 2026, the cheapest U91 in Adelaide, SA is 219.90 c/L at United Melrose Park. Average across 201 stations is 223.70 c/L – down 20.7 cents over the past two weeks.

Prices from Queensland Government, updated every 15 minutes.

Cheapest suburbs in Adelaide

Lowest station price per suburb right now.

St Marys2 stations

from 219.90 2

Salisbury Downs3 stations

Woodville South2 stations

from 221.50 6

Hillcrest3 stations

from 221.50 7

Port Adelaide3 stations

from 221.50 8

Golden Grove4 stations

from 221.50 9

Sheidow Park2 stations

from 221.50 10

Old Noarlunga3 stations

from 221.50

Fuel prices by type

7 fuel types available in Adelaide.

Type	Cheapest	Average	Stations
LPG	95.90	99.90	54
E10	215.90	219.60	26
U91	219.90	223.70	201
U95	233.90	240.40	167
U98	240.70	249.10	198
Premium Diesel	296.90	318.20	169
Diesel	299.90	316.90	53

Frequently asked questions

Where is the cheapest U91 in Adelaide?

The cheapest U91 in Adelaide, SA is 219.90 cents per litre at United Melrose Park, 993-997 South Road. The cheapest suburbs in the Adelaide metro are St Marys (219.90), Salisbury Downs (219.90), Smithfield (219.90).

When is the best day to buy fuel in Adelaide?

Based on the past 4 weeks, Thursdays tend to have the cheapest U91 prices in Adelaide, averaging 240.00 c/L. Saturdays tend to be the most expensive at 244.00 c/L – a difference of 4.0 cents.

How many petrol stations are in Adelaide?

FuelTrack tracks 201 stations selling U91 in 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 in Adelaide including United, U-Go, Costco, Independent, Liberty, Mobil, Pearl Energy, Ampol. Compare prices across all brands to find the cheapest fuel.

All suburbs in Adelaide

59 more suburbs with U91 prices across the Adelaide metro.

Aberfoyle Parkfrom 223.50 Angle Valefrom 223.50 Blackwoodfrom 223.50 Blair Atholfrom 222.90 Bolivarfrom 223.50 Broadviewfrom 223.50 Burtonfrom 223.90 Cavanfrom 223.50 Christies Beachfrom 223.50 Clarence Parkfrom 223.50 Croydon Parkfrom 223.50 Darlingtonfrom 223.50 Davoren Parkfrom 223.50 Dry Creekfrom 223.50 Edwardstownfrom 223.50 Elizabethfrom 223.50 Elizabeth Southfrom 223.50 Findonfrom 223.50 Gawlerfrom 223.50 Gepps Crossfrom 223.50 Glenungafrom 223.50 Hectorvillefrom 223.90 Holden Hillfrom 223.50 Klemzigfrom 223.90 Largs Bayfrom 223.50 Littlehamptonfrom 223.50 Marionfrom 223.50 Mawson Lakesfrom 223.50 Meadowsfrom 223.90 Modburyfrom 223.50 Morphett Valefrom 223.50 Mount Barkerfrom 223.50 Nailsworthfrom 223.50 Newtonfrom 223.50 Noarlunga Centrefrom 223.50 North Brightonfrom 223.90 O'halloran Hillfrom 223.50 Parafieldfrom 223.50 Parafield Gardensfrom 223.50 Paralowiefrom 223.50 Plymptonfrom 223.50 Poorakafrom 223.50 Prospectfrom 223.50 Queenstownfrom 223.50 Reynellafrom 223.50 Rosewaterfrom 223.50 Salisburyfrom 223.50 Seafordfrom 223.50 Seatonfrom 223.50 St Petersfrom 222.90 Stirlingfrom 223.50 Unleyfrom 223.50 Valley Viewfrom 222.90 Virginiafrom 223.90 Wellandfrom 223.50 West Beachfrom 223.50 West Lakesfrom 223.50 Wingfieldfrom 223.50 Woodville Northfrom 223.50

View all suburbs in Queensland →

Prices from Queensland Government. View all Queensland suburbs. Compare fuel prices across Australia.