Cheapest Diesel in St Marys South now

Diesel

257.8 c/L

Shell Reddy Express St MarysSt Marys · 3.6 km

Cheapest of 2 in St Marys South

4.1 under the St Marys South average

Unleaded 91

211.8 c/L

Shell Reddy Express St Marys

Cheapest in St Marys South

2.1 under the 213.9 average

Lower within 10 km: 251.9 c/L, 2.2 km away, at EG Ampol Werrington

Updated · same price since 6:00 am

Forecast: Likely steady. Estimate only: little change expected by Mon 23 Nov.

$2.46 less on a 60 L fill than the St Marys South average.

Directions to Shell Reddy Express St Marys

More about this price

: St Marys South diesel averages 261.9 c/L today; the cheapest is 257.8 c/L at Shell Reddy Express St Marys, 4.1 c/L under the average.

cheapest
this price
St Marys South average
261.9 c/L
dearest
265.9 c/L

Prices for every fuel: Every fuel in St Marys South

$5.52 less on a 60 L fill than the Sydney city average.

Sydney city average: 7.8 c/L lower than 7 days ago.

Is Diesel cheap in St Marys South today?

Sydney: cheap for this month

Within 10 km of St Marys South: 14.8 c/L lower than 14 days ago.

The Sydney city average is 0.1 c/L less than the day before and the lowest in the 30-day window.

How St Marys South compares

The St Marys South average for Diesel is 5.1 c/L under the Sydney city average of 267.0 c/L and 8.7 c/L under the Australia average of 270.6 c/L.

Source: FuelCheck

Have a docket or membership?

Cheapest Diesel in St Marys South

2 stations · Updated

Discounts and deals in St Marys South

4 prices

What 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.

  • EG Ampol Werrington · 2.2 km

    247.9 c/L

    Everyday Rewards Fuel Voucher

    4.0 c/L off: EG Ampol Werrington is 247.9 c/L with it, from 251.9 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).

  • Shell Reddy Express St Marys · 3.6 km

    253.8 c/L

    Coles Supermarkets Fuel Docket

    4.0 c/L off: Shell Reddy Express St Marys is 253.8 c/L with it, from 257.8 c/L at the pump.

    4 c/L after a $30 qualifying shop, valid for 4 weeks, up to 150 L at participating Shell Reddy Express and Coles Express sites.

  • Caltex Horsley Park · 9.9 km

    258.9 c/L

    RACQ Caltex Member Discount

    4.0 c/L off for RACQ members: Caltex Horsley Park is 258.9 c/L with it, from 262.9 c/L at the pump.

    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

  • Ampol Foodary Marsden Park · 9.4 km

    262.9 c/L

    NRMA Ampol Member Discount

    4.0 c/L off for NRMA members: Ampol Foodary Marsden Park is 262.9 c/L with it, from 266.9 c/L at the pump.

    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

Every fuel discount

  1. Shell Reddy Express St Marys St Marys · 3.6 km 257.8Cheapest of 2
    61-63 Christie St, St MarysDirections
  2. BP St Marys (Forrester Road) St Marys · 2.6 km Since Fri 9:48 am 265.91.1 cents per litre below the Sydney city average
    120-128 Forrester Road, St MarysDirections

Is it worth driving further for Diesel?

Worth the drive

Driving 1.7 km to Colyton saves about $2.47 on a 60 L fill of Diesel today, after the fuel for the round trip in a medium car: Pearl Energy Colyton sells it at 252.5 c/L, against 257.8 c/L at Shell Reddy Express St Marys.

60 L
  1. Colyton

    Pearl Energy Colyton · 1.7 km away

    252.5

    5.3 c/L less · Save $2.47

  2. Werrington

    EG Ampol Werrington · 2.2 km away

    251.9

    5.9 c/L less · Save $2.62

  3. North St Marys

    Speedway North St Marys · 2 km away

    256.5

    1.3 c/L less · $0.05 worse off

Straight-line distances from St Marys South's centre. Round trip at 8 L/100 km; tolls and time not counted. Updated

Check a route of your own

Diesel price outlook

The Sydney Diesel outlook, shifted 0.8 c/L higher for local prices.

Next 7 days

Chart range
Shifted city average · 16 Nov
267.8 c/L
Model estimate · 23 Nov
267.5 c/L
Range 259.6–287.8 c/L

Diesel outlook for St Marys South. The forecast moves from 267.8 c/L on 16 Nov 2026 to 267.5 c/L on 23 Nov 2026.

Source: FuelRadar (fuelradar.com.au)

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

Shifted city average · Range includes today

267.8c/L

Estimated range 267.8–267.8c/L

Same as today (estimate) · Today's price carried forward

267.8c/L

Estimated range 266.8–269.2c/L

Model estimate · Range includes today

267.6c/L

Estimated range 265.3–271.4c/L

Model estimate · Range includes today

267.4c/L

Estimated range 263.9–273.6c/L

Model estimate · Range includes today

267.4c/L

Estimated range 262.8–277.1c/L

Model estimate · Range includes today

267.4c/L

Estimated range 261.7–280.6c/L

Model estimate · Range includes today

267.4c/L

Estimated range 260.6–284.2c/L

Model estimate · Range includes today

267.5c/L

Estimated range 259.6–287.8c/L

How we estimate prices

These estimates follow the Sydney price outlook, adjusted to the recent price level around St Marys South. Individual stations can change at different times and by different amounts.

Source
Reported city-average prices and FuelRadar estimates, dated 2026-11-16.
Dates covered
Mon, 16 Nov to Wed, 16 Dec
How certain is this?
Low model signal. This is not a measured probability of a correct price.
  • Recent reported prices in Sydney 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 St Marys South, 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 Sydney outlook dated Mon, 16 Nov.

Open St Marys South forecast

Every fuel in St Marys South

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

Reported fuel prices in St Marys South
FuelLowAvgHigh
Unleaded 91211.8c213.9c215.9c
Ethanol 10209.8c211.9c213.9c
Premium 95229.3c229.3c229.3c
Premium 98236.8c239.9c242.9c
Diesel257.8c261.9c265.9c
Premium Diesel267.9c267.9c267.9c

Get an alert when Diesel near St Marys South 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.

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FuelRadar app Today screen with the fill-up call for Brisbane and the cheapest Unleaded 91 within 15 km
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Compare fuel prices around St Marys South

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St Marys South fuel questions

2 questions

What is the cheapest diesel in St Marys South today?

In St Marys South, the lowest is 257.8 c/L for diesel at Shell Reddy Express St Marys. Within 10 km of St Marys South, the lowest price is 251.9 c/L for diesel at EG Ampol Werrington (2.2 km away). FuelRadar updated these prices on 16 Nov 2026.

How do St Marys South diesel prices compare with Sydney?

Within 10 km of St Marys South, diesel averages 265.4 c/L, 1.6 c/L under Sydney's 267.0 c/L.

About these St Marys South fuel prices

Prices: FuelCheck. 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.