Suburb fuel prices

Cheap Premium 98 in St Johns South Australia 5373

0.0c below the South Australia averageSt Johns is 10.6c/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

St Johns · P98In line with state

HOLD

P98 in St Johns is about average for South Australia

St Johns sits 0.0c below the South Australia average. St Johns is 10.6c/L under its 30-day average right now — near the bottom of the cycle.

How it compares

  • South Australia state avg183.9c/L0c/L
  • National avg187.1c/L-3.2c/L

Top stations

Cheapest P98 stations in St Johns

Sorted by current P98 price. Tap a station for grades, directions and price age.

  1. OTR Kapunda

    OTR Kapunda

    Cheapest

    5.6 km away · 1 Mildred St

    182.9 c/L

    -1.0 vs avg

  2. Mobil Kapunda

    Mobil Kapunda

    5.7 km away · 122 Main Street

    184.9 c/L

    +1.0 vs avg

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30-day spread · P98

St Johns P98 cycle

St Johns is currently 10.6c/L below its 30-day average — a relatively good time to fill up.

30-day low

182.9c/L

Lowest point in the local spread

30-day average

194.4c/L

30-day high

208.9c/L

Today's average

183.8c/L

182.0195.5209.026 May18 June24 June
Daily averageMin–max spread across St Johns stations

Cheapest P98 right now

  1. 1OTR KapundaOn The Run (OTR) · 5.6 km away182.9 c/L
  2. 2Mobil KapundaMobil · 5.7 km away184.9 c/L2.0

Source: Reported P98 pump prices across St Johns.

7-day outlook

St Johns 7-day P98 outlook

Rising · +15.2c/L over 7 days

St Johns prices follow the Adelaide cycle, so this outlook takes the Adelaide P98 forecast and adjusts it to St Johns'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.

St Johns today (est.)

185.9c/L

Adelaide 176.8c/L · +9.1c/L local

Predicted in 7 days

199.6c/L

7-day range

182.1 – 202.3c/L

181.0192.0203.0ThuFriSatSunMonTueWed
Predicted price90% confidence band

At a glance

St Johns fuel prices at a glance

Cheapest P98
182.9 c/L
Suburb average
183.9 c/L
Price range
2.0c spread
Stations tracked
2
Brands
2
Postcode
5373
Last updated
25 June 2026, 1:07 am AEST

Explore the area

Browse fuel prices around St Johns

Step up to the city and state, compare neighbouring suburbs, or open the live P98 map.

St Johns snapshot

Live P98 prices in St Johns

How it compares

St Johns is currently 0.0c in line with the South Australia state average of 183.9c. Open the live fuel map to see how individual stations spread within St Johns.

Compare neighbouring suburbs

Cheaper fuel may be nearby — compare Bagot Well (from 182.9c), Fords (from 182.9c), Hamilton (from 182.9c), Koonunga (from 182.9c) or Kapunda (from 182.9c) before planning a fill-up.

Brands operating here

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

Frequently asked

St Johns fuel questions

The cheapest Premium 98 in St Johns is currently at OTR Kapunda for 182.9 c/L.

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