Suburb fuel prices

Cheap Unleaded 91 in Underdale South Australia 5032

14.2c below the South Australia average — Underdale is 9.8c/L under its 30-day average right now — near the bottom of the cycle.

Prices as of 8 min ago AEST · sourced from SA Fuel Pricing Information Scheme

SOUTH AUSTRALIA state averageAll fuelsU91P. DieselP95P98
Underdale · U91Below the state avg

FILL UP

U91 in Underdale is cheaper than the South Australia average

Underdale sits 14.2c below the South Australia average. Underdale is 9.8c/L under its 30-day average right now — near the bottom of the cycle.

SOUTH AUSTRALIA average

How it compares

  • South Australia state avg163.9c/L-14.2c/L
  • National avg165.9c/L-16.2c/L
  • Wholesale (TGP)154.1c/L-4.4c/L

Top stations

Cheapest U91 stations in Underdale

Sorted by current U91 price. Tap a station for grades, directions and price age.

  1. X Convenience Brooklyn Park

    X Convenience Brooklyn Park

    Cheapest

    0.7 km away · 299 Henley Beach Road

    149.5 c/L

    -0.2 vs avg

  2. OTR Underdale

    OTR Underdale

    0.6 km away · 282 Henley Beach Rd & Holbrooks Rd

    149.9 c/L

    +0.2 vs avg

  3. Costco Kilburn

    Costco Kilburn

    6.8 km away · 404-406 Churchill Road

    143.7 c/L

    -6.0 vs avg

  4. Mobil Blair Athol

    Mobil Blair Athol

    7.3 km away · 351 Prospect Rd

    147.9 c/L

    -1.8 vs avg

  5. U-Go West Hindmarsh

    U-Go West Hindmarsh

    2.5 km away · 484 Port Rd

    147.9 c/L

    -1.8 vs avg

  6. United Blair Athol

    United Blair Athol

    7.5 km away · 369 Prospect Rd & Audrey Av

    147.9 c/L

    -1.8 vs avg

Showing 6 of 100 stations.

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30-day spread · U91

Underdale U91 cycle

Underdale is currently 9.8c/L below its 30-day average — a relatively good time to fill up.

30-day low

149.5c/L

Lowest point in the local spread

30-day average

159.7c/L

30-day high

171.9c/L

Today's average

149.9c/L

149.0160.5172.026 May12 June23 June
Daily averageMin–max spread across Underdale stations

Cheapest U91 right now

  1. 1Costco KilburnCostco · 6.8 km away143.7 c/L1.0
  2. 2Mobil Blair AtholMobil · 7.3 km away147.9 c/L
  3. 3U-Go West HindmarshU-Go · 2.5 km away147.9 c/L1.4
  4. 4United Blair AtholUnited · 7.5 km away147.9 c/L1.4
  5. 5Liberty Clarence GardensLiberty · 6.2 km away149.3 c/L0.6

Source: Reported U91 pump prices across Underdale.

7-day outlook

Underdale 7-day U91 outlook

Rising · +8.9c/L over 7 days

Underdale prices follow the Adelaide cycle, so this outlook takes the Adelaide U91 forecast and adjusts it to Underdale's own price level using 90 days of local history. You can see the Adelaide benchmark alongside the local estimate below.

Adelaide is in the stable phase of its current cycle.

Underdale today (est.)

151.9c/L

Adelaide 153.9c/L · -2.0c/L local

Predicted in 7 days

161.0c/L

7-day range

149.6 – 167.2c/L

149.0158.5168.0WedThuFriSatSunMonTue
Predicted price90% confidence band
See full 30-day forecastHow accurate is this?

Nearby suburbs

Suburbs near Underdale

How Underdale compares to neighbouring areas — cheapest first, delta vs the Underdale average.

  1. Un
    UnderdaleYou

    149.7c

    0.0vs Underdale
  2. Lo
    Lockleys

    149.7c

    0.0vs Underdale
  3. Br
    Brooklyn Park

    149.7c

    0.0vs Underdale
  4. Br
    Brompton

    149.8c

    +0.1vs Underdale
  5. Ki
    Kidman Park

    149.9c

    +0.2vs Underdale
  6. Fl
    Flinders Park

    149.9c

    +0.2vs Underdale
  7. Th
    Thebarton

    151.0c

    +1.3vs Underdale
  8. Mi
    Mile End

    151.0c

    +1.3vs Underdale
  9. To
    Torrensville Plaza

    151.0c

    +1.3vs Underdale
  10. To
    Torrensville

    151.0c

    +1.3vs Underdale
  11. Mi
    Mile End South

    151.0c

    +1.3vs Underdale

At a glance

Underdale fuel prices at a glance

Cheapest U91
149.5 c/L
Suburb average
149.7 c/L
Price range
0.4c spread
Stations tracked
2
Brands
2
Postcode
5032
Last updated
24 June 2026, 3:07 am AEST

Explore the area

Browse fuel prices around Underdale

Step up to the city and state, compare neighbouring suburbs, or open the live U91 map.

Underdale snapshot

Live U91 prices in Underdale

How it compares

Underdale is currently 14.2c below the South Australia state average of 163.9c. Open the live fuel map to see how individual stations spread within Underdale.

Compare neighbouring suburbs

Cheaper fuel may be nearby — compare Thebarton (from 149.5c), Mile End (from 149.5c), Torrensville Plaza (from 149.5c), Torrensville (from 149.5c) or Lockleys (from 149.5c) before planning a fill-up.

Brands operating here

2 fuel brands operate stations in Underdale, including On The Run (OTR) and X Convenience. Brand loyalty programs and discount apps can shift the cheapest pump by 4–6c/L on any given day.

Frequently asked

Underdale fuel questions

The cheapest Unleaded 91 in Underdale is currently at Costco Kilburn for 143.7 c/L.

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