Suburb fuel prices

Cheap Premium Diesel in Caroline South Australia 5291

4.2c below the South Australia average — Caroline is 16.3c/L under its 30-day average right now — near the bottom of the cycle.

Prices as of 7 min ago AEST · sourced from SA Fuel Pricing Information Scheme

SOUTH AUSTRALIA state averageAll fuelsU91E10DieselP. DieselP95P98
Caroline · P. DieselBelow the state avg

FILL UP

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

Caroline sits 4.2c below the South Australia average. Caroline is 16.3c/L under its 30-day average right now — near the bottom of the cycle.

SOUTH AUSTRALIA average

How it compares

  • South Australia state avg182.1c/L-4.2c/L
  • National avg185.8c/L-7.9c/L
  • Wholesale (TGP)170.9c/L+7c/L

Top stations

Cheapest P. Diesel stations in Caroline

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

  1. United Petroleum Mount Gambier

    United Petroleum Mount Gambier

    Cheapest

    9.7 km away · 193-195 Jubilee Highway East

    177.9 c/L

    0.0 vs avg

  2. Ampol Mount Gambier East

    Ampol Mount Gambier East

    9.7 km away · 190 Jubilee Hwy East

    178.9 c/L

    +1.0 vs avg

  3. Ampol Mount Gambier East Diesel Stop

    Ampol Mount Gambier East Diesel Stop

    9.7 km away · Rear 190 Jubilee Highway East

    178.9 c/L

    +1.0 vs avg

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30-day spread · P. Diesel

Caroline P. Diesel cycle

Caroline is currently 16.3c/L below its 30-day average — a relatively good time to fill up.

30-day low

175.5c/L

Lowest point in the local spread

30-day average

194.1c/L

30-day high

211.5c/L

Today's average

177.8c/L

175.0193.5212.027 May9 June24 June
Daily averageMin–max spread across Caroline stations

Cheapest P. Diesel right now

  1. 1United Petroleum Mount GambierUnited · 9.7 km away177.9 c/L2.0
  2. 2Ampol Mount Gambier EastAmpol · 9.7 km away178.9 c/L6.0
  3. 3Ampol Mount Gambier East Diesel StopAmpol · 9.7 km away178.9 c/L6.0

Source: Reported P. Diesel pump prices across Caroline.

7-day outlook

Caroline 7-day P. Diesel outlook

Rising · +28.2c/L over 7 days

Caroline prices follow the Adelaide cycle, so this outlook takes the Adelaide P. Diesel forecast and adjusts it to Caroline'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.

Caroline today (est.)

173.6c/L

Adelaide 181.3c/L · -7.7c/L local

Predicted in 7 days

200.8c/L

7-day range

171.1 – 201.0c/L

170.0186.0202.0ThuFriSatSunMonTueWed
Predicted price90% confidence band
See full 30-day forecastHow accurate is this?

Nearby suburbs

Suburbs near Caroline

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

  1. Mo
    Mount GambierCheapest

    176.0c

    -1.9vs Caroline
  2. Ca
    CarolineYou

    177.9c

    0.0vs Caroline

At a glance

Caroline fuel prices at a glance

Cheapest P. Diesel
177.9 c/L
Suburb average
177.9 c/L
Station tracked
1
Brand
1
Postcode
5291
Last updated
25 June 2026, 1:07 am AEST

Explore the area

Browse fuel prices around Caroline

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

Caroline snapshot

Live P. Diesel prices in Caroline

How it compares

Caroline is currently 4.2c below the South Australia state average of 182.1c. Open the live fuel map to see how individual stations spread within Caroline.

Compare neighbouring suburbs

Cheaper fuel may be nearby — compare Mount Gambier (from 169.5c), Nelson, Homerton, Drumborg or Greenwald before planning a fill-up.

Brands operating here

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

Frequently asked

Caroline fuel questions

The cheapest Premium Diesel in Caroline is currently at United Petroleum Mount Gambier for 177.9 c/L.

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