What is the average Diesel price in Mannum?

The average Diesel price in Mannum is 186.9 c/L, ranging from a low of 186.9c/L to a high of 186.9c/L. Compared to the national average, DSL is currently 8.9c cheaper than the national average of 195.8c.

How many fuel stations are there in Mannum?

There are 1 fuel stations in Mannum monitoring prices for drivers.

When is the cheapest day to buy fuel in Mannum?

South Australia fuel prices tend to follow broader national trends rather than strict weekly cycles. Mid-week fill-ups in Mannum are often cheaper than weekend prices, but always check the live list above before filling up.

What fuel types are available in Mannum?

The 1 station reporting in Mannum covers the following fuel types: Unleaded 91, Diesel, Premium 98, LPG (Autogas). Use the fuel-type pills above the price list to switch between them.

How often are Mannum fuel prices updated?

Every 15 minutes. FuelRadar Australia refreshes from the government data program four times an hour. The station count in Mannum is refreshed with each price update (last sync 00:07 GMT+1000, 24 Jun 2026).

Suburb fuel prices

Cheap Diesel in Mannum South Australia 5238

Name: Fuel Prices in Mannum, SA
Creator: FuelRadar Australia
License: https://creativecommons.org/licenses/by/4.0/

8.7c below the South Australia average — Mannum is 20.6c/L under its 30-day average right now — near the bottom of the cycle.

Prices as of 29 min ago AEST · sourced from SA Fuel Pricing Information Scheme

SOUTH AUSTRALIA state averageAll fuels U91 Diesel P98 LPG

Mannum · DieselBelow the state avg

FILL UP

Diesel in Mannum is cheaper than the South Australia average

Mannum sits 8.7c below the South Australia average. Mannum is 20.6c/L under its 30-day average right now — near the bottom of the cycle.

SOUTH AUSTRALIA average

How it compares

South Australia state avg195.6c/L-8.7c/L
National avg195.8c/L-8.9c/L
Wholesale (TGP)170.9c/L+16c/L

Top stations

Cheapest Diesel stations in Mannum

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

Astron Mannum
Cheapest
1.4 km away · 97-99 Adelaide Road
186.9 c/L
0.0 vs avg

30-day spread · Diesel

Mannum Diesel cycle

Mannum is currently 20.6c/L below its 30-day average — a relatively good time to fill up.

30-day low

186.9c/L

Lowest point in the local spread

30-day average

207.5c/L

30-day high

243.9c/L

Today's average

186.9c/L

Daily averageMin–max spread across Mannum stations

Cheapest Diesel right now

1Astron MannumAstron · 1.4 km away186.9 c/L2.0

Source: Reported Diesel pump prices across Mannum.

7-day outlook

Mannum 7-day Diesel outlook

Rising · +23.1c/L over 7 days

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

Mannum today (est.)

188.7c/L

Adelaide 183.3c/L · +5.4c/L local

Predicted in 7 days

209.9c/L

7-day range

185.2 – 214.8c/L

Predicted price90% confidence band

See full 30-day forecast How accurate is this?

Nearby suburbs

Suburbs near Mannum

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

At a glance

Mannum fuel prices at a glance

Cheapest Diesel: 186.9 c/L
Suburb average: 186.9 c/L
Station tracked: 1
Brand: 1
Postcode: 5238
Last updated: 24 June 2026, 12:07 am AEST

Explore the area

Browse fuel prices around Mannum

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

Mannum snapshot

Live Diesel prices in Mannum

How it compares

Mannum is currently 8.7c below the South Australia state average of 195.6c. Open the live fuel map to see how individual stations spread within Mannum.

Compare neighbouring suburbs

Cheaper fuel may be nearby — compare Five Miles (from 186.9c), Forster (from 186.9c), Caurnamont (from 186.9c), Cowirra (from 186.9c) or Angas Valley (from 186.9c) before planning a fill-up.

Brands operating here

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

Frequently asked

Mannum fuel questions

The cheapest Diesel in Mannum is currently at Astron Mannum for 186.9 c/L.

FuelRadar app

Keep Mannum fuel prices in your pocket

Track Mannum prices, watch the local cycle and get an alert before the next jump — from your phone.

Price-drop alertsWatch the fuel types and suburbs you actually use.

Saved servosKeep regular stations close for a faster fill-or-wait call.

Route-aware savingsCompare price, distance and detour before you drive.

Live nearby mapOpen the cheapest nearby station in seconds.

App details

FuelRadar app showing live fuel prices, price alerts and saved routes