Shifted city average · Range includes today
264.1c/L
Estimated range 264.1–264.1c/L
Premium Diesel prices in St Marys South, NSW
Postcode 2760: St Marys South, Colyton, North St Marys, Oxley Park, Ropes Crossing, St Marys and St Marys East.
Cheapest Premium Diesel in St Marys South now
Premium Diesel
252.5 c/L
Metro St MarysSt Marys · 1.4 km
Cheapest of 23 within 10 km · 5 in St Marys South
12.9 under the St Marys South average
Updated · same price since Fri 3:07 pm
Forecast: Likely steady. Estimate only: little change expected by Sun 22 Nov.
$7.74 less on a 60 L fill than the St Marys South average.
More about this price
: St Marys South premium diesel averages 265.4 c/L today; the cheapest is 252.5 c/L at Metro St Marys, 12.9 c/L under the average.
- cheapest
- this price
- St Marys South average
- 265.4 c/L
- dearest
- 268.9 c/L
Prices for every fuel: Every fuel in St Marys South
$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 South today?
Sydney: cheap for this month
St Marys South daily average: 13.1 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 South compares
The St Marys South average for Premium Diesel is 2.3 c/L under the Sydney city average of 267.7 c/L and 2.9 c/L under the Australia average of 268.3 c/L.
Source: FuelCheck
Have a docket or membership?
Cheapest Premium Diesel in St Marys South
5 stations · Updated
Discounts and deals in St Marys South
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 Marsden Park (Members only) · 8.6 km
258.7 c/LCostco members only
258.7 c/L is no lower than the cheapest price for everyone within 10 km of St Marys South, 252.5 c/L at Metro St Marys.
EG Ampol Werrington · 2.2 km
250.9 c/L4.0 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 South, 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).
Caltex Horsley Park · 9.9 km
262.9 c/LRACQ Caltex Member Discount
4.0 c/L off for RACQ members: Caltex Horsley Park is 262.9 c/L with it, from 266.9 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.
Ampol Foodary Marsden Park · 9.4 km
266.9 c/LNRMA 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.
- Metro St Marys St Marys · 1.4 km Since Fri 3:07 pm 252.5Cheapest of 5516-526 Great Western Hwy, St MarysDirections
- BP St Marys (Forrester Road) St Marys · 2.6 km Since Fri 9:48 am 267.9120-128 Forrester Road, St MarysDirections
- 7-Eleven St Marys St Marys · 500 m Since 10:30 am 268.9Corner Mamre Road & Wilson Street, St MarysDirections
- BP St Marys South St Marys · 600 m Since Fri 7:43 pm 268.912 Gallipoli St, St MarysDirections
- 7-Eleven St Marys St Marys · 3.4 km Since Fri 3:45 pm 268.9Corner Forrester Road & Christie Street, St MarysDirections
Cheapest Premium Diesel near St Marys South
24 stations near St Marys South · Updated
- Metro Werrington Werrington · 2.1 km Since Fri 3:14 pm 252.5Cheapest of 24569 Great Western Hwy, WerringtonDirections
- EG Ampol Werrington Werrington · 2.2 km Since Sat 4:57 pm 254.9574 Great Western Hwy, WerringtonDirections
- Werrington South Werrington · 2.3 km Since Sat 4:00 pm 256.9577 Great Western Hwy, WerringtonDirections
Premium Diesel price outlook
The Sydney Premium Diesel outlook, shifted 3.6 c/L lower for local prices.
Next 7 days
- Shifted city average · 15 Nov
- 264.1 c/L
- Same as today (estimate) · 22 Nov
- 264.1 c/L
- Range 253.4–283.0 c/L
Premium Diesel outlook for St Marys South. The forecast moves from 264.1 c/L on 15 Nov 2026 to 264.1 c/L on 22 Nov 2026.
Source: FuelRadar (fuelradar.com.au)
Shaded area shows the estimated range.
Daily prices and estimates · Premium Diesel
Model estimate · Range includes today
263.3c/L
Estimated range 262.4–264.8c/L
Model estimate · Range includes today
262.5c/L
Estimated range 259.8–265.5c/L
Model estimate · Range includes today
261.7c/L
Estimated range 257.3–266.3c/L
Same as today (estimate) · Today's price carried forward
262.3c/L
Estimated range 256.3–270.4c/L
Same as today (estimate) · Today's price carried forward
262.9c/L
Estimated range 255.4–274.6c/L
Same as today (estimate) · Today's price carried forward
263.5c/L
Estimated range 254.4–278.8c/L
Same as today (estimate) · Today's price carried forward
264.1c/L
Estimated range 253.4–283.0c/L
| Date | Type | Price / midpoint | Range or status | Interpretation |
|---|---|---|---|---|
| Shifted city average | 264.1c/L | 264.1–264.1c/L | Range includes today | |
| Model estimate | 263.3c/L | 262.4–264.8c/L | Range includes today | |
| Model estimate | 262.5c/L | 259.8–265.5c/L | Range includes today | |
| Model estimate | 261.7c/L | 257.3–266.3c/L | Range includes today | |
| Same as today (estimate) | 262.3c/L | 256.3–270.4c/L | Today's price carried forward | |
| Same as today (estimate) | 262.9c/L | 255.4–274.6c/L | Today's price carried forward | |
| Same as today (estimate) | 263.5c/L | 254.4–278.8c/L | Today's price carried forward | |
| Same as today (estimate) | 264.1c/L | 253.4–283.0c/L | Today's price carried forward |
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 2026-11-15.
- 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 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.
Estimates follow the Sydney outlook dated Sun, 15 Nov.
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, St Marys, is at 252.5 c/L, so driving further would not save on a 60 L fill.
- St Marys
Metro St Marys · 1.4 km away
252.5Same price
- Colyton
7-Eleven Colyton · 1.6 km away
270.918.4 c/L more
- St Clair
7-Eleven St Clair · 2 km away
269.917.4 c/L more
Straight-line distances from St Marys South's centre. Costco Marsden Park (Members only) (Costco members only) is compared under dockets and memberships below. Updated
Check a route of your ownEvery fuel in St Marys South
Lowest, average and highest in the current reports. Open a fuel for its stations.
| Fuel | Low | Avg | High |
|---|---|---|---|
| Unleaded 91 | 213.5c | 216.2c | 218.9c |
| Ethanol 10 | 211.5c | 213.5c | 216.9c |
| Premium 95 | 230.9c | 233.9c | 236.9c |
| Premium 98 | 234.5c | 241.4c | 244.9c |
| Diesel | 265.9c | 265.9c | 265.9c |
| Premium Diesel | 252.5c | 265.4c | 268.9c |
| LPG (Autogas) | 97.9c | 97.9c | 97.9c |
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App preview. Prices shown are example captures, not current reports.
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St Marys South fuel questions
3 questions
What is the cheapest premium diesel in St Marys South today?
In St Marys South, 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 South premium diesel prices compare with Sydney?
In St Marys South, premium diesel averages 265.4 c/L, 2.3 c/L under Sydney's 267.7 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.
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.