Premium Diesel prices in Unley, SA

Postcode 5061: Unley, Hyde Park, Malvern and Unley Park.

Cheapest now

Cheapest Premium Diesel in Unley now

259.4 cents a litre

OTR UnleyUnley · 1.1 km

Cheapest of 2 in Unley

Lower within 10 km, for everyone: 249.4 c/L, 5.7 km away, at U-Go St Marys

Updated · same price since Sun 10:30 am

Forecast: Likely to fall. Estimate only (yesterday's outlook): prices may edge down about 1.8 c/L by Mon 23 Nov.

Directions to OTR Unley

More about this price

: Unley premium diesel averages 259.5 c/L today; the cheapest is 259.4 c/L at OTR Unley, 0.1 c/L under the average.

cheapest
this price
Unley average
259.5 c/L
dearest
259.5 c/L

Lower within 10 km, Costco members only: 246.7 c/L, 9.9 km away, at Costco Kilburn

$1.44 less on a 60 L fill than the South Australia average.

Is Premium Diesel cheap in Unley today?

Within 10 km of Unley: 18.7 c/L lower than 14 days ago.

How Unley compares

The Unley average for Premium Diesel is 2.3 c/L under the South Australia average of 261.8 c/L and 8.8 c/L under the Australia average of 268.3 c/L.

Source: SA Fuel Pricing Information Scheme

Have a docket or membership?

Cheapest Premium Diesel in Unley

2 stations · Updated

Discounts and deals in Unley

4 prices

What Premium Diesel costs at the listed stations with a docket, club rate or membership. Every other price here is the pump price; members-only prices stay out of the averages.

  • Costco Kilburn · 9.9 km

    246.7 c/L

    Costco members only

    246.7 c/L is 2.7 c/L under the cheapest price for everyone within 10 km of Unley, 249.4 c/L at U-Go St Marys: $1.62 on a 60 L fill. At that gap the $65 yearly Costco membership takes 41 fills to pay back.

  • U-Go St Marys · 5.7 km

    245.4 c/L

    Everyday Rewards Fuel Voucher

    4.0 c/L off: U-Go St Marys is 245.4 c/L with it, from 249.4 c/L at the pump.

    Normally 4 c/L after a $30 qualifying shop, issued for a limited redemption period at participating Ampol networks and U-GO stations (first 75 L at U-GO).

  • Ampol Foodary Edwardstown · 4.7 km

    246.9 c/L

    NRMA Ampol Member Discount

    5.0 c/L off for NRMA members: Ampol Foodary Edwardstown is 246.9 c/L with it, from 251.9 c/L at the pump. That is under the lowest pump price within 10 km of Unley, 249.4 c/L at U-Go St Marys.

    4 c/L on Unleaded 91, E10 and Diesel and 5 c/L on Premium 95, 98 and Premium Diesel at participating Ampol Foodary stations, not EG Ampol. One fill every 24 hours, up to 150 L.

    NRMA terms, checked 14 Nov 2026

  • Caltex Hectorville · 9.1 km

    247.9 c/L

    RACQ Caltex Member Discount

    4.0 c/L off for RACQ members: Caltex Hectorville is 247.9 c/L with it, from 251.9 c/L at the pump. That is under the lowest pump price within 10 km of Unley, 249.4 c/L at U-Go St Marys.

    4 c/L on Unleaded 91, E10, Premium 95 and 98, diesel and LPG at participating Caltex stations, up to 120 L a day; not with a shopper docket, another fuel discount or a fuel card.

    RACQ terms, checked 14 Nov 2026

Every fuel discount

  1. OTR Unley Unley · 1.1 km Since Sun 10:30 am 259.4Cheapest of 2
    17 King William RdDirections
  2. X Convenience Unley Unley · 500 m Since Sun 11:02 am 259.52.3 cents per litre below the South Australia average
    21 Edmund Av & Duthy StDirections

Is it worth driving further for Premium Diesel?

Worth the drive

Driving 1.8 km to Goodwood saves about $2.81 on a 60 L fill of Premium Diesel today, after the fuel for the round trip in a medium car: X-Convenience Goodwood sells it at 253.5 c/L, against 259.4 c/L at OTR Unley.

60 L
  1. Goodwood

    X-Convenience Goodwood · 1.8 km away

    253.5

    5.9 c/L less · Save $2.81

  2. Wayville

    OTR Wayville · 1.8 km away

    257.9

    1.5 c/L less · Save $0.17

  3. Kingswood

    OTR Kingswood · 1.8 km away

    263.4

    4.0 c/L more

Straight-line distances from Unley's centre. Costco Kilburn (Costco members only) is compared under dockets and memberships below. Round trip at 8 L/100 km; tolls and time not counted. Updated

Check a route of your own

Premium Diesel price outlook

The Adelaide Premium Diesel outlook, shifted 1.9 c/L higher for local prices.

Next 7 days

Chart range
Shifted city average · 16 Nov
260.4 c/L
Model estimate · 23 Nov
258.6 c/L
Range 245.5–277.5 c/L

Premium Diesel outlook for Unley. The forecast moves from 260.4 c/L on 16 Nov 2026 to 258.6 c/L on 23 Nov 2026.

Source: FuelRadar (fuelradar.com.au)

Shaded area shows the estimated range.
Daily prices and estimates · Premium Diesel

Shifted city average · Range includes today

260.4c/L

Estimated range 258.9–262.1c/L

Model estimate · Range includes today

259.6c/L

Estimated range 255.9–263.3c/L

Model estimate · Range includes today

258.9c/L

Estimated range 252.9–264.6c/L

Model estimate · Range includes today

258.8c/L

Estimated range 251.0–267.8c/L

Model estimate · Range includes today

258.7c/L

Estimated range 249.2–271.0c/L

Model estimate · Range includes today

258.7c/L

Estimated range 247.4–274.3c/L

Model estimate · Range includes today

258.6c/L

Estimated range 245.5–277.5c/L

Model estimate · Range includes today

258.6c/L

Estimated range 245.5–277.5c/L

How we estimate prices

These estimates follow the Adelaide price outlook, adjusted to the recent price level around Unley. Individual stations can change at different times and by different amounts.

Source
Reported city-average prices and FuelRadar estimates, dated 2026-11-15.
Dates covered
Mon, 16 Nov to Tue, 15 Dec
How certain is this?
Low model signal. This is not a measured probability of a correct price.
  • Recent reported prices in Adelaide for this fuel grade.
  • Recent price movement, with its effect reduced further ahead.
  • Recent prices around Unley, compared with the city average.
  • An estimated price range for the days ahead.

This chart estimates how prices may move. It does not show a price promised by the station or a schedule of daily changes. Market commentary provides background but does not set the chart prices. Check the reported price and update time before you drive.

How accurate is this?

Estimates follow the Adelaide outlook dated Sun, 15 Nov.

Open Unley forecast

Every fuel in Unley

Lowest, average and highest in the current reports. Open a fuel for its stations.

Reported fuel prices in Unley
FuelLowAvgHigh
Unleaded 91202.4c202.5c202.5c
Premium 95218.5c219.2c219.9c
Premium 98225.4c226.0c226.5c
Premium Diesel259.4c259.5c259.5c
LPG (Autogas)102.9c102.9c102.9c

Get an alert when Premium Diesel near Unley hits your price

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Unley fuel questions

3 questions

What is the cheapest premium diesel in Unley today?

In Unley, the lowest is 259.4 c/L for premium diesel at OTR Unley. Within 10 km of Unley, the lowest price is 246.7 c/L for premium diesel at Costco Kilburn (9.9 km away, members only; 249.4 c/L at U-Go St Marys, 5.7 km away, for everyone). FuelRadar updated these prices on 16 Nov 2026.

How do Unley premium diesel prices compare with the South Australia average?

Within 10 km of Unley, premium diesel averages 258.8 c/L, 3.0 c/L under South Australia's 261.8 c/L.

Are there 24-hour service stations in Unley?

FuelRadar's opening-hours data marks 54 of the 98 stations within 10 km of Unley with opening hours on file as open 24/7, including OTR Unley, OTR Fullarton and OTR Pulteney Street. Check the station page before a late-night trip.

About these Unley fuel prices

Prices: SA Fuel Pricing Information Scheme. Suburb boundary: Australian Bureau of Statistics (ABS), ASGS Suburbs and Localities, CC BY 4.0. Checked by FuelRadar.

FuelRadar is an independent Australian app. It does not represent, and is not affiliated with or endorsed by, any government or government agency.

How these figures are worked out

Update times vary by source and station. Check the update time before travelling and confirm the price at the bowser.