Port Augusta Premium Diesel price trend

Port Augusta city daily averages

Fuel type

Port Augusta Premium Diesel, last 89 days

Latest, Mon 9 Nov

Source: FuelRadar (fuelradar.com.au)

View the reported prices

Port Augusta Premium Diesel city daily averages
Day	Premium Diesel (c/L)
Mon 9 Nov	280.1
Sun 8 Nov	280.4
Sat 7 Nov	280.4
Fri 6 Nov	282.0
Thu 5 Nov	282.0
Wed 4 Nov	282.0
Tue 3 Nov	282.0
Mon 2 Nov	283.1
Sun 1 Nov	283.1
Sat 31 Oct	283.1
Fri 30 Oct	283.1
Thu 29 Oct	283.1
Wed 28 Oct	282.4
Tue 27 Oct	282.3
Mon 26 Oct	282.0
Sun 25 Oct	281.6
Sat 24 Oct	281.6
Fri 23 Oct	281.8
Thu 22 Oct	283.3
Wed 21 Oct	283.3
Tue 20 Oct	283.3
Mon 19 Oct	283.4
Sun 18 Oct	283.4
Sat 17 Oct	283.4
Fri 16 Oct	283.7
Thu 15 Oct	283.7
Wed 14 Oct	283.7
Tue 13 Oct	283.7
Mon 12 Oct	283.7
Sun 11 Oct	283.8
Sat 10 Oct	283.8
Fri 9 Oct	285.6
Thu 8 Oct	286.0
Wed 7 Oct	286.4
Tue 6 Oct	286.4
Mon 5 Oct	286.4
Sun 4 Oct	286.4
Sat 3 Oct	286.4
Fri 2 Oct	286.4
Thu 1 Oct	286.4
Wed 30 Sept	289.2
Tue 29 Sept	289.2
Mon 28 Sept	290.2
Sun 27 Sept	292.5
Sat 26 Sept	292.7
Fri 25 Sept	293.7
Thu 24 Sept	293.7
Wed 23 Sept	292.8
Tue 22 Sept	289.5
Mon 21 Sept	288.8
Sun 20 Sept	287.7
Sat 19 Sept	284.7
Fri 18 Sept	279.0
Thu 17 Sept	272.8
Wed 16 Sept	271.3
Tue 15 Sept	266.7
Mon 14 Sept	264.2
Sun 13 Sept	264.2
Sat 12 Sept	264.2
Fri 11 Sept	261.3
Thu 10 Sept	259.2
Wed 9 Sept	258.2
Tue 8 Sept	258.3
Mon 7 Sept	257.0
Sun 6 Sept	257.2
Sat 5 Sept	256.3
Fri 4 Sept	255.8
Thu 3 Sept	255.8
Wed 2 Sept	255.8
Tue 1 Sept	255.8
Mon 31 Aug	255.8
Sun 30 Aug	255.8
Sat 29 Aug	255.8
Fri 28 Aug	255.8
Thu 27 Aug	255.8
Wed 26 Aug	255.8
Tue 25 Aug	254.3
Mon 24 Aug	253.5
Sun 23 Aug	252.3
Sat 22 Aug	251.0
Fri 21 Aug	249.5
Thu 20 Aug	247.0
Wed 19 Aug	247.0
Tue 18 Aug	246.5
Mon 17 Aug	246.5
Sun 16 Aug	245.5
Sat 15 Aug	243.8
Fri 14 Aug	243.2
Thu 13 Aug	244.0

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FuelRadar app Today screen with the fill-up call for Brisbane and the cheapest Unleaded 91 within 15 km

FuelRadar app fuel map with Unleaded 91 prices around Brisbane, each marked Cheap, Average or Pricey

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What's next for Port Augusta prices

Premium Diesel · next 7 days · estimate

Estimate only (yesterday's outlook): prices may edge down about 2.6 c/L by Tue 17 Nov.

Port Augusta Premium Diesel forecast for the next 7 days
When	Estimate (c/L)	Change
TomorrowWed 11 Nov	279.3likely 277.9–285.4	About the same
In 3 daysFri 13 Nov	278.4likely 275.4–290.9	Down 1.4
In 7 daysTue 17 Nov	277.2likely 271.2–299.3	Down 2.6

Change is from the outlook's 279.8 c/L for today. Over the last 55 days, 7-day estimates missed by 5.4 c/L on average; "no change" missed by 5.4 c/L.

Full Port Augusta forecast

How Port Augusta compares

On Mon 9 Nov Port Augusta's Premium Diesel city average was 12.9 c/L above Adelaide's. It is 11.1 c/L above the South Australia average and 4.9 c/L above the Australia average of current station reports. Port Augusta averaged 283.9 c/L in October, 9.6 c/L higher than in September. Port Augusta averaged 242.3 c/L for U91 in October 2026, the 23rd cheapest of the 60 South Australia towns we ranked and 9.2 c/L above Adelaide.

Port Augusta Premium Diesel average against its capital, state and Australia
Area	Premium Diesel average (c/L)
Port AugustaCity daily average, Mon 9 Nov	280.1
AdelaideCity daily average, Mon 9 Nov	267.2
South Australia382 current station reports	269.0
Australia4,146 current station reports	275.2

Source: October 2026 regional fuel price report

Cheapest day of the week in Port Augusta

Full weeks each day was the cheapest

Source: FuelRadar (fuelradar.com.au) · data as at 8 Nov 2026, 10:00 am AEST

No weekday was reliably cheaper over the last 11 full weeks; weekday averages sat within 0.5 c/L of each other.

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Premium Diesel alerts for Port Augusta

Port Augusta's city average was 280.1 c/L on Mon 9 Nov. Pick a station and a target price, and FuelRadar tells you when it gets there.

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Premium Diesel price questions

What is the best day to buy Premium Diesel in Port Augusta?

There is no reliably cheaper day right now. No weekday was consistently cheapest in Port Augusta over the last 11 full weeks to 8 Nov: the weekday averages sat within 0.5 c/L of each other. Compare current station prices instead.

Does Premium Diesel follow a regular petrol price cycle?

Premium Diesel does not usually follow the regular unleaded petrol cycle. The chart is recent price history, not a countdown to a low.

How should I compare Premium Diesel prices in Port Augusta?

Compare the same fuel type across nearby stations, check when each price was updated and weigh any saving against the extra distance.