Suburb fuel prices

Cheap Premium Diesel in Semaphore South Australia 5019

2.5c below the South Australia average — Semaphore is 18.6c/L under its 30-day average right now — near the bottom of the cycle.

Prices as of 17 min ago AEST · sourced from SA Fuel Pricing Information Scheme

SOUTH AUSTRALIA state averageAll fuelsU91P. DieselP98
Semaphore · P. DieselBelow the state avg

FILL UP

P. Diesel in Semaphore is cheaper than the South Australia average

Semaphore sits 2.5c below the South Australia average. Semaphore is 18.6c/L under its 30-day average right now — near the bottom of the cycle.

SOUTH AUSTRALIA average

How it compares

  • South Australia state avg184.4c/L-2.5c/L
  • National avg188.3c/L-6.4c/L
  • Wholesale (TGP)170.9c/L+11c/L

Top stations

Cheapest P. Diesel stations in Semaphore

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

  1. X Convenience Semaphore

    X Convenience Semaphore

    Cheapest

    0.5 km away · 132 Semaphore Road

    181.9 c/L

    0.0 vs avg

  2. Costco Kilburn

    Costco Kilburn

    9.4 km away · 404-406 Churchill Road

    174.7 c/L

    -7.2 vs avg

  3. U-Go West Hindmarsh

    U-Go West Hindmarsh

    9.6 km away · 484 Port Rd

    175.9 c/L

    -6.0 vs avg

  4. Largs Bay OPT

    Largs Bay OPT

    2.0 km away · 207 Victoria Rd

    177.9 c/L

    -4.0 vs avg

  5. Solo Clare St

    Solo Clare St

    2.7 km away · 19 Clare St

    178.3 c/L

    -3.6 vs avg

  6. United Ottoway

    United Ottoway

    4.9 km away · 207 Grand Junction Rd

    178.3 c/L

    -3.6 vs avg

Showing 6 of 38 stations.

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30-day spread · P. Diesel

Semaphore P. Diesel cycle

Semaphore is currently 18.6c/L below its 30-day average — a relatively good time to fill up.

30-day low

181.9c/L

Lowest point in the local spread

30-day average

200.5c/L

30-day high

217.9c/L

Today's average

181.9c/L

181.0199.5218.026 May5 June23 June
Daily averageMin–max spread across Semaphore stations

Cheapest P. Diesel right now

  1. 1Costco KilburnCostco · 9.4 km away174.7 c/L4.0
  2. 2U-Go West HindmarshU-Go · 9.6 km away175.9 c/L2.4
  3. 3Largs Bay OPTShell · 2.0 km away177.9 c/L2.6
  4. 4Solo Clare StSolo · 2.7 km away178.3 c/L3.0
  5. 5United OttowayUnited · 4.9 km away178.3 c/L3.0

Source: Reported P. Diesel pump prices across Semaphore.

7-day outlook

Semaphore 7-day P. Diesel outlook

Rising · +14.1c/L over 7 days

Semaphore prices follow the Adelaide cycle, so this outlook takes the Adelaide P. Diesel forecast and adjusts it to Semaphore'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 falling phase of its current cycle.

Semaphore today (est.)

183.8c/L

Adelaide 186.1c/L · -2.3c/L local

Predicted in 7 days

196.2c/L

7-day range

180.4 – 207.8c/L

179.0194.0209.0WedThuFriSatSunMonTue
Predicted price90% confidence band
See full 30-day forecastHow accurate is this?

Nearby suburbs

Suburbs near Semaphore

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

  1. Et
    EtheltonCheapest

    178.7c

    -3.2vs Semaphore
  2. Ne
    New Port

    178.7c

    -3.2vs Semaphore
  3. Po
    Port Adelaide

    178.7c

    -3.2vs Semaphore
  4. Bi
    Birkenhead

    178.7c

    -3.2vs Semaphore
  5. La
    Largs Bay

    180.4c

    -1.5vs Semaphore
  6. La
    Largs North

    180.4c

    -1.5vs Semaphore
  7. Pe
    Peterhead

    180.4c

    -1.5vs Semaphore
  8. Se
    SemaphoreYou

    181.9c

    0.0vs Semaphore
  9. Se
    Semaphore Park

    181.9c

    0.0vs Semaphore
  10. Ex
    Exeter

    181.9c

    0.0vs Semaphore
  11. Se
    Semaphore South

    181.9c

    0.0vs Semaphore

At a glance

Semaphore fuel prices at a glance

Cheapest P. Diesel
181.9 c/L
Suburb average
181.9 c/L
Station tracked
1
Brand
1
Postcode
5019
Last updated
24 June 2026, 4:07 am AEST

Explore the area

Browse fuel prices around Semaphore

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

Semaphore snapshot

Live P. Diesel prices in Semaphore

How it compares

Semaphore is currently 2.5c below the South Australia state average of 184.4c. Open the live fuel map to see how individual stations spread within Semaphore.

Compare neighbouring suburbs

Cheaper fuel may be nearby — compare Semaphore Park (from 181.9c), Exeter (from 181.9c), Semaphore South (from 181.9c), Largs Bay (from 177.9c) or Largs North (from 177.9c) before planning a fill-up.

Brands operating here

1 fuel brand operate stations in Semaphore, including X Convenience. Brand loyalty programs and discount apps can shift the cheapest pump by 4–6c/L on any given day.

Frequently asked

Semaphore fuel questions

The cheapest Premium Diesel in Semaphore is currently at Costco Kilburn for 174.7 c/L.

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