Cheapest Unleaded 91 petrol in St Marys South now

Unleaded 91

211.8 c/L

Shell Reddy Express St MarysSt Marys · 3.6 km

Cheapest of 26 within 10 km · 6 in St Marys South

3.4 under the St Marys South average

Diesel

257.8 c/L

Shell Reddy Express St Marys

Cheapest in St Marys South

4.1 under the 261.9 average

Updated · same price since 6:00 am

$2.04 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 Unleaded 91 averages 215.1 c/L today; the cheapest is 211.8 c/L at Shell Reddy Express St Marys, 3.3 c/L under the average. Diesel averages 261.9 c/L; the cheapest is 257.8 c/L at Shell Reddy Express St Marys.

cheapest
this price
St Marys South average
215.2 c/L
dearest
218.9 c/L

Prices for every fuel: Every fuel in St Marys South

Is Unleaded 91 petrol cheap in St Marys South today?

St Marys South daily average: 20.3 c/L lower than 14 days ago.

How St Marys South compares

The St Marys South average for Unleaded 91 is 8.1 c/L under the Australia average of 223.3 c/L.

Source: FuelCheck

Have a docket or membership?

Fuel prices at each station in St Marys South

30 stations within 10 km of St Marys South · Updated

Discounts and deals in St Marys South

3 prices

What Unleaded 91 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.

  • Shell Reddy Express St Marys · 3.6 km

    207.8 c/L

    Coles Supermarkets Fuel Docket

    4.0 c/L off: Shell Reddy Express St Marys is 207.8 c/L with it, from 211.8 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.

  • EG Ampol Werrington · 2.2 km

    211.9 c/L

    Everyday Rewards Fuel Voucher

    4.0 c/L off: EG Ampol Werrington is 211.9 c/L with it, from 215.9 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).

  • Ampol Foodary Werrington · 5.0 km

    215.9 c/L

    NRMA Ampol Member Discount

    4.0 c/L off for NRMA members: Ampol Foodary Werrington is 215.9 c/L with it, from 219.9 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. 7-Eleven St MarysCorner Mamre Road & Wilson Street, St Marys · 500 m
    U91
    218.9
    E10
    216.9
    P95
    Premium 95: Not sold
    P98
    244.9
    Diesel
    Diesel: Not sold
    P. Diesel
    268.9
    LPG
    LPG (Autogas): Not sold
  2. BP St Marys South12 Gallipoli St, St Marys · 600 m
    U91
    216.9
    E10
    Ethanol 10: Not sold
    P95
    234.9
    P98
    242.9
    Diesel
    Diesel: Not sold
    P. Diesel
    267.9
    LPG
    LPG (Autogas): Not sold
  3. Metro St Marys516-526 Great Western Hwy, St Marys · 1.4 km
    U91
    213.5
    E10
    211.5
    P95
    Premium 95: Not sold
    P98
    234.5
    Diesel
    Diesel: Not sold
    P. Diesel
    252.5
    LPG
    97.9
  4. BP St Marys (Forrester Road)120-128 Forrester Road, St Marys · 2.6 km
    U91
    215.9
    E10
    213.9
    P95
    Premium 95: Not sold
    P98
    242.9
    Diesel
    265.9
    P. Diesel
    267.9
    LPG
    LPG (Autogas): Not sold
  5. 7-Eleven St MarysCorner Forrester Road & Christie Street, St Marys · 3.4 km
    U91
    213.9
    E10
    211.9
    P95
    230.9
    P98
    239.9
    Diesel
    Diesel: Not sold
    P. Diesel
    268.9
    LPG
    LPG (Autogas): Not sold

Unleaded 91 price outlook

The Sydney Unleaded 91 outlook, shifted 0.2 c/L lower for local prices.

Next 7 days

Chart range
Shifted city average · 16 Nov
214.4 c/L
Model estimate · 23 Nov
212.0 c/L
Range 202.8–226.7 c/L

Unleaded 91 outlook for St Marys South. The forecast moves from 214.4 c/L on 16 Nov 2026 to 212.0 c/L on 23 Nov 2026.

Source: FuelRadar (fuelradar.com.au)

Shaded area shows the estimated range.
Daily prices and estimates · Unleaded 91

Shifted city average · Range includes today

214.4c/L

Estimated range 214.4–214.4c/L

Model estimate · Range includes today

213.8c/L

Estimated range 212.5–215.7c/L

Model estimate · Range includes today

213.4c/L

Estimated range 210.7–217.3c/L

Model estimate · Range includes today

212.9c/L

Estimated range 208.9–218.9c/L

Model estimate · Range includes today

212.7c/L

Estimated range 207.4–220.9c/L

Model estimate · Range includes today

212.4c/L

Estimated range 205.8–222.8c/L

Model estimate · Range includes today

212.2c/L

Estimated range 204.3–224.7c/L

Model estimate · Range includes today

212.0c/L

Estimated range 202.8–226.7c/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?
Medium model signal. This is not a measured probability of a correct price.
  • Recent Sydney average prices for this fuel grade.
  • The Sydney price-cycle position, where a retail cycle is detected.
  • 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

Is it worth driving further for Unleaded 91?

No need to drive further

No nearby suburb sells Unleaded 91 for less than 211.8 c/L at Shell Reddy Express St Marys today; the nearest, St Clair, is at 219.9 c/L, so driving further would not save on a 60 L fill.

  1. St Clair

    Shell Reddy Express St Clair · 1.2 km away ·

    219.9

    8.1 c/L more

  2. Colyton

    Pearl Energy Colyton · 1.7 km away ·

    213.5

    1.7 c/L more

  3. North St Marys

    Speedway North St Marys · 2 km away ·

    213.5

    1.7 c/L more

Straight-line distances from St Marys South's centre.

Check a route of your own

Every fuel in St Marys South today: U91, E10, P95, P98, Diesel, P. Diesel, LPG

Cheapest of each fuel in St Marys South

Change in 14 days
20.3 c/L lower St Marys South daily average, U91
National average
223.3 c/L St Marys South is 8.1 c/L under

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

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More about St Marys South fuel

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Compare fuel prices around St Marys South

3 links

St Marys South fuel questions

4 questions

What is the cheapest fuel in St Marys South today?

In St Marys South, the lowest prices are 211.8 c/L for Unleaded 91 at Shell Reddy Express St Marys, 209.8 c/L for E10 at Shell Reddy Express St Marys, 257.8 c/L for diesel at Shell Reddy Express St Marys and 234.5 c/L for Premium 98 at Metro St Marys. FuelRadar updated these prices on 16 Nov 2026.

How do St Marys South fuel prices compare with Sydney?

In St Marys South, Unleaded 91 averages 215.1 c/L, 0.5 c/L over Sydney's 214.6 c/L; E10 averages 212.8 c/L, 0.6 c/L under Sydney's 213.4 c/L; diesel averages 261.9 c/L, 5.1 c/L under Sydney's 267.0 c/L.

Are there 24-hour service stations in St Marys South?

FuelRadar's opening-hours data marks 2 of the 2 stations in St Marys South with opening hours on file as open 24/7, including 7-Eleven St Marys and 7-Eleven St Marys. Check the station page before a late-night trip.

Can I buy diesel and LPG in St Marys South?

2 stations in St Marys South report diesel, and 17 within 10 km, from 257.8 c/L. No station in St Marys South reports LPG; 4 within 10 km do, the nearest 3.0 km away.

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.