Premium Diesel prices in Underdale, SA

Cheapest now

Cheapest Premium Diesel in Underdale now

257.9 cents a litre

OTR UnderdaleUnderdale · 600 m

Directions to OTR Underdale

More about this price

: The cheapest premium diesel in Underdale today is 257.9 c/L at OTR Underdale.

Lower within 10 km, Costco members only: 248.7 c/L, 6.8 km away, at Costco Kilburn

Lower within 10 km, for everyone: 249.5 c/L, 9.5 km away, at Mobil Hampstead Gardens

$4.20 less on a 60 L fill than the South Australia average.

Is Premium Diesel cheap in Underdale today?

Within 10 km of Underdale: 15.6 c/L lower than 14 days ago.

Forecast: Likely to fall. Estimate only: prices may edge down about 3.1 c/L by Fri 20 Nov.

An estimate, not a promise.

How Underdale compares

The Underdale average for Premium Diesel is 7.0 c/L under the South Australia average of 264.9 c/L and 13.1 c/L under the Australia average of 271.0 c/L.

1 Premium diesel station in Underdale · Source: SA Fuel Pricing Information Scheme

Have a docket or membership?See your price

Cheapest Premium Diesel in Underdale

1 station

  1. 1 OTR Underdale Underdale · 600 m · 257.9Cheapest
    282 Henley Beach Rd & Holbrooks RdDirections

Is it worth driving further for Premium Diesel?

Worth the drive

Driving 2.5 km to West Hindmarsh saves about $2.19 on a 60 L fill of Premium Diesel today, after the fuel for the round trip in a medium car: U-Go West Hindmarsh sells it at 252.5 c/L, against 257.9 c/L at OTR Underdale.

60 L
  1. West Hindmarsh

    U-Go West Hindmarsh · 2.5 km away

    252.5

    5.4 c/L less · Save $2.19

  2. Brooklyn Park

    X Convenience Brooklyn Park · 0.7 km away

    255.5

    2.4 c/L less · Save $1.16

  3. Mile End

    AMPM Mile End · 1.9 km away

    255.5

    2.4 c/L less · Save $0.65

Straight-line distances from Underdale'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 0.4 c/L higher for local prices.

Past 7-day estimates missed by about 4.5 c/L on average, only slightly less than assuming prices stay the same (4.7 c/L).

Next 7 days

Chart range
Model estimate · 13 Nov
262.0 c/L
Model estimate · 20 Nov
258.9 c/L
Range 246.4–277.8 c/L

Premium Diesel outlook for Underdale. The forecast moves from 262.0 c/L on 13 Nov 2026 to 258.9 c/L on 20 Nov 2026.

Source: FuelRadar (fuelradar.com.au)

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

Model estimate · Range includes today

262.0c/L

Estimated range 262.0–262.0c/L

Model estimate · Range includes today

261.1c/L

Estimated range 259.5–262.8c/L

Model estimate · Range includes today

260.2c/L

Estimated range 256.8–263.9c/L

Model estimate · Range includes today

259.4c/L

Estimated range 254.3–265.1c/L

Model estimate · Range includes today

259.3c/L

Estimated range 252.4–268.3c/L

Model estimate · Range includes today

259.1c/L

Estimated range 250.3–271.4c/L

Model estimate · Range includes today

259.0c/L

Estimated range 248.3–274.6c/L

Model estimate · Range includes today

258.9c/L

Estimated range 246.4–277.8c/L

How we estimate prices

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

Source
Reported city-average prices and FuelRadar estimates, dated 2026-11-13.
Dates covered
Fri, 13 Nov to Sun, 13 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.
  • The dated wholesale-price change used in this forecast.
  • Recent prices around Underdale, 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 Fri, 13 Nov.

Open Underdale forecast

Discounts and deals in Underdale

3 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 · 6.8 km

    248.7 c/L

    Costco members only

    248.7 c/L is 0.8 c/L under the cheapest price for everyone within 10 km of Underdale, 249.5 c/L at Mobil Hampstead Gardens: $0.48 on a 60 L fill. At that gap the $65 yearly Costco membership takes 136 fills to pay back. That is more than a year of weekly fills.

  • Everyday Rewards Fuel Voucher

    4.0 c/L to 6.0 c/L off at participating U-Go sites with it.

    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 Kilburn · 8.6 km

    248.9 c/L

    NRMA member discount

    5.0 c/L off for NRMA members: Ampol Foodary Kilburn is 248.9 c/L with it, from 253.9 c/L at the pump. That is under the lowest pump price within 10 km of Underdale, 249.5 c/L at Mobil Hampstead Gardens.

    Show the My NRMA app or card at participating Ampol Foodary sites (not EG Ampol). One fill every 24 hours, up to 150 L.

    NRMA terms, checked 28 Oct 2026

Every fuel discount

Every fuel in Underdale

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

Reported fuel prices in Underdale
FuelLowAvgHigh
Unleaded 91203.4c203.4c203.4c
Premium 95220.9c220.9c220.9c
Premium 98226.4c226.4c226.4c
Premium Diesel257.9c257.9c257.9c

Get an alert when Premium Diesel near Underdale hits your price

Pick a target price and the free FuelRadar app tells you when a station near you reaches it. Free on iPhone and Android.

Download on the App StoreGet it on Google Play
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

App preview. Prices shown are example captures, not current reports.

Next steps for Underdale fuel

  1. Get an alert when Underdale drops

    Alert me at a priceFollow AdelaideFree email when prices start rising

  2. Take it with you: the free FuelRadar app

    Open in the FuelRadar app

  3. With a free account: your price, saved stations, price alerts

    Create a free account

Underdale fuel questions

What is the cheapest premium diesel in Underdale today?

In Underdale, the lowest is 257.9 c/L for premium diesel at OTR Underdale. Within 10 km of Underdale, the lowest price is 248.7 c/L for premium diesel at Costco Kilburn (6.8 km away, members only; 249.5 c/L at Mobil Hampstead Gardens, 9.5 km away, for everyone). FuelRadar updated these prices on 13 Nov 2026.

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

Within 10 km of Underdale, premium diesel averages 261.6 c/L, 3.3 c/L under South Australia's 264.9 c/L.

Are there 24-hour service stations in Underdale?

FuelRadar's opening-hours data marks 65 of the 116 stations within 10 km of Underdale with opening hours on file as open 24/7, including OTR Underdale, AMPM Mile End and EG Ampol West Richmond. Check the station page before a late-night trip.

About these Underdale fuel prices

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