Cheapest Premium Diesel in St Marys now

Premium Diesel

252.5 c/L

Metro St MarysSt Marys · 900 m

Cheapest of 23 within 10 km · 6 in St Marys

13.3 under the St Marys average

Diesel

265.9 c/L

BP St Marys (Forrester Road)

Cheapest in St Marys

Same as the 265.9 average

Updated · same price since Fri 3:07 pm

Forecast: Likely steady. Estimate only: little change expected by Sun 22 Nov.

$7.98 less on a 60 L fill than the St Marys average.

Directions to Metro St Marys

More about this price

: St Marys premium diesel averages 265.8 c/L today; the cheapest is 252.5 c/L at Metro St Marys, 13.3 c/L under the average.

cheapest
this price
St Marys average
265.8 c/L
dearest
268.9 c/L

Prices for every fuel: Every fuel in St Marys

$9.12 less on a 60 L fill than the Sydney city average.

Sydney city average: 8.5 c/L lower than 7 days ago.

Is Premium Diesel cheap in St Marys today?

Sydney: cheap for this month

St Marys daily average: 13.2 c/L lower than 14 days ago.

The Sydney city average is 0.7 c/L less than the day before and the lowest in the 30-day window.

How St Marys compares

The St Marys average for Premium Diesel is 1.9 c/L under the Sydney city average of 267.7 c/L and 2.6 c/L under the Australia average of 268.4 c/L.

Source: FuelCheck

Have a docket or membership?

Cheapest Premium Diesel in St Marys

6 stations · Updated

Discounts and deals in St Marys

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 Marsden Park (Members only) · 7.9 km

    258.7 c/L

    Costco members only

    258.7 c/L is no lower than the cheapest price for everyone within 10 km of St Marys, 252.5 c/L at Metro St Marys.

  • EG Ampol Werrington · 1.6 km

    250.9 c/L

    Everyday Rewards Fuel Voucher

    4.0 c/L off: EG Ampol Werrington is 250.9 c/L with it, from 254.9 c/L at the pump. That is under the lowest pump price within 10 km of St Marys, 252.5 c/L at Metro St Marys.

    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 Marsden Park · 8.7 km

    266.9 c/L

    NRMA Ampol Member Discount

    5.0 c/L off for NRMA members: Ampol Foodary Marsden Park is 266.9 c/L with it, from 271.9 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. Metro St Marys St Marys · 900 m Since Fri 3:07 pm 252.5Cheapest of 6
    516-526 Great Western Hwy, St MarysDirections
  2. BP St Marys North St Marys · 1.0 km Since Fri 10:22 am 267.9
    76 Glossop Street, St MarysDirections
  3. BP St Marys (Forrester Road) St Marys · 1.3 km Since Fri 9:48 am 267.9
    120-128 Forrester Road, St MarysDirections
  4. 7-Eleven St Marys St Marys · 1.3 km Since 10:30 am 268.9
    Corner Mamre Road & Wilson Street, St MarysDirections
  5. BP St Marys South St Marys · 1.6 km Since Fri 7:43 pm 268.9
    12 Gallipoli St, St MarysDirections
  6. 7-Eleven St Marys St Marys · 2.1 km Since Fri 3:45 pm 268.9
    Corner Forrester Road & Christie Street, St MarysDirections

Cheapest Premium Diesel near St Marys

24 stations near St Marys · Updated

  1. Metro Werrington Werrington · 1.5 km Since Fri 3:14 pm 252.5Cheapest of 24
    569 Great Western Hwy, WerringtonDirections
  2. EG Ampol Werrington Werrington · 1.6 km Since Sat 4:57 pm 254.9
    574 Great Western Hwy, WerringtonDirections
  3. Werrington South Werrington · 1.6 km Since Sat 4:00 pm 256.9
    577 Great Western Hwy, WerringtonDirections

Premium Diesel price outlook

The Sydney Premium Diesel outlook, shifted 3.1 c/L lower for local prices.

Next 7 days

Chart range
Shifted city average · 15 Nov
264.6 c/L
Same as today (estimate) · 22 Nov
264.6 c/L
Range 253.9–283.5 c/L

Premium Diesel outlook for St Marys. The forecast moves from 264.6 c/L on 15 Nov 2026 to 264.6 c/L on 22 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

264.6c/L

Estimated range 264.6–264.6c/L

Model estimate · Range includes today

263.8c/L

Estimated range 262.9–265.3c/L

Model estimate · Range includes today

263.0c/L

Estimated range 260.3–266.0c/L

Model estimate · Range includes today

262.2c/L

Estimated range 257.8–266.8c/L

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

262.8c/L

Estimated range 256.8–270.9c/L

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

263.4c/L

Estimated range 255.9–275.1c/L

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

264.0c/L

Estimated range 254.9–279.3c/L

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

264.6c/L

Estimated range 253.9–283.5c/L

How we estimate prices

These estimates follow the Sydney price outlook, adjusted to the recent price level around St Marys. 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
Sun, 15 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 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, 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 Sun, 15 Nov.

Open St Marys forecast

Is it worth driving further for Premium Diesel?

No need to drive further

No nearby suburb sells Premium Diesel for less than 252.5 c/L at Metro St Marys today; the nearest, North St Marys, is at 267.9 c/L, so driving further would not save on a 60 L fill.

  1. North St Marys

    BP St Marys · 1 km away

    267.9

    15.4 c/L more

  2. Werrington

    Metro Werrington · 1.5 km away

    252.5

    Same price

  3. Colyton

    7-Eleven Colyton · 2 km away

    270.9

    18.4 c/L more

Straight-line distances from St Marys' centre. Costco Marsden Park (Members only) (Costco members only) is compared under dockets and memberships below. Updated

Check a route of your own

Every fuel in St Marys

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

Reported fuel prices in St Marys
FuelLowAvgHigh
Unleaded 91213.5c216.2c218.9c
Ethanol 10211.5c213.8c216.9c
Premium 95230.9c233.9c236.9c
Premium 98234.5c241.7c244.9c
Diesel265.9c265.9c265.9c
Premium Diesel252.5c265.8c268.9c
LPG (Autogas)97.9c97.9c97.9c

Get an alert when Premium Diesel near St Marys 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

4 links

St Marys fuel questions

3 questions

What is the cheapest premium diesel in St Marys today?

In St Marys, the lowest price is 252.5 c/L for premium diesel at Metro St Marys. FuelRadar updated this price on 15 Nov 2026.

How do St Marys premium diesel prices compare with Sydney?

In St Marys, premium diesel averages 265.8 c/L, 1.9 c/L under Sydney's 267.7 c/L.

Are there 24-hour service stations in St Marys?

FuelRadar's opening-hours data marks 2 of the 2 stations in St Marys 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.

About these St Marys 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.