Premium Diesel prices in St Clair, NSW

Postcode 2759: St Clair and Erskine Park.

Cheapest now

Cheapest Premium Diesel in St Clair now

269.9 cents a litre

7-Eleven St ClairSt Clair · 200 m

The only one in St Clair

Lower within 10 km, for everyone: 251.9 c/L, 9.5 km away, at Apex Petroleum Kemps Creek - Truck Facilities

Updated · same price since Fri 5:15 pm

Forecast: Likely steady. Estimate only (yesterday's outlook): little change expected by Mon 23 Nov.

Directions to 7-Eleven St Clair

More about this price

: The cheapest premium diesel in St Clair today is 269.9 c/L at 7-Eleven St Clair.

Lower within 10 km, Costco members only: 258.7 c/L, 9.2 km away, at Costco Marsden Park (Members only)

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

Is Premium Diesel cheap in St Clair today?

Sydney: cheap for this month

Within 10 km of St Clair: 15.5 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 Clair compares

The St Clair average for Premium Diesel is 2.2 c/L over the Sydney city average of 267.7 c/L and 1.6 c/L over the Australia average of 268.3 c/L.

Source: FuelCheck

Have a docket or membership?

Cheapest Premium Diesel in St Clair

1 station

Discounts and deals in St Clair

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) · 9.2 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 Clair, 251.9 c/L at Apex Petroleum Kemps Creek - Truck Facilities.

  • EG Ampol Werrington · 4.3 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 Clair, 251.9 c/L at Apex Petroleum Kemps Creek - Truck Facilities.

    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 Kemps Creek · 8.5 km

    254.9 c/L

    NRMA Ampol Member Discount

    5.0 c/L off for NRMA members: Ampol Foodary Kemps Creek is 254.9 c/L with it, from 259.9 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

  • Caltex Horsley Park · 7.8 km

    262.9 c/L

    RACQ 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.

    RACQ terms, checked 14 Nov 2026

Every fuel discount

  1. 7-Eleven St Clair St Clair · 200 m Updated Since Fri 5:15 pm 269.9Cheapest
    4 Endeavour & Bennett Roads, St ClairDirections

Is it worth driving further for Premium Diesel?

Worth the drive

Driving 3.5 km to St Marys saves about $8.92 on a 60 L fill of Premium Diesel today, after the fuel for the round trip in a medium car: Metro St Marys sells it at 252.5 c/L, against 269.9 c/L at 7-Eleven St Clair.

60 L
  1. St Marys

    Metro St Marys · 3.5 km away

    252.5

    17.4 c/L less · Save $8.92

  2. Werrington

    Metro Werrington · 4.2 km away

    252.5

    17.4 c/L less · Save $8.63

  3. Eastern Creek

    7-Eleven Eastern Creek · 5.5 km away

    263.9

    6.0 c/L less · Save $1.23

Straight-line distances from St Clair's centre. Costco Marsden Park (Members only) (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 Sydney Premium Diesel outlook, shifted 1.9 c/L higher for local prices.

Next 7 days

Chart range
Shifted city average · 16 Nov
268.8 c/L
Same as today (estimate) · 23 Nov
269.6 c/L
Range 258.9–288.5 c/L

Premium Diesel outlook for St Clair. The forecast moves from 268.8 c/L on 16 Nov 2026 to 269.6 c/L on 23 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

268.8c/L

Estimated range 267.9–270.3c/L

Model estimate · Range includes today

268.0c/L

Estimated range 265.3–271.0c/L

Model estimate · Range includes today

267.2c/L

Estimated range 262.8–271.8c/L

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

267.8c/L

Estimated range 261.8–275.9c/L

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

268.4c/L

Estimated range 260.9–280.1c/L

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

269.0c/L

Estimated range 259.9–284.3c/L

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

269.6c/L

Estimated range 258.9–288.5c/L

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

269.6c/L

Estimated range 258.9–288.5c/L

How we estimate prices

These estimates follow the Sydney price outlook, adjusted to the recent price level around St Clair. 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
Mon, 16 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.
  • Recent prices around St Clair, 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 Clair forecast

Every fuel in St Clair

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

Reported fuel prices in St Clair
FuelLowAvgHigh
Unleaded 91221.9c221.9c221.9c
Ethanol 10219.9c219.9c219.9c
Premium 95238.9c238.9c238.9c
Premium 98247.9c247.9c247.9c
Premium Diesel269.9c269.9c269.9c
LPG (Autogas)115.9c115.9c115.9c

Get an alert when Premium Diesel near St Clair hits your price

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Compare fuel prices around St Clair

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St Clair fuel questions

3 questions

What is the cheapest premium diesel in St Clair today?

In St Clair, the lowest is 269.9 c/L for premium diesel at 7-Eleven St Clair. Within 10 km of St Clair, the lowest price is 251.9 c/L for premium diesel at Apex Petroleum Kemps Creek - Truck Facilities (9.5 km away). FuelRadar updated these prices on 16 Nov 2026.

How do St Clair premium diesel prices compare with Sydney?

Within 10 km of St Clair, premium diesel averages 270.6 c/L, 2.9 c/L over Sydney's 267.7 c/L.

Are there 24-hour service stations in St Clair?

FuelRadar's opening-hours data marks 20 of the 20 stations within 10 km of St Clair with opening hours on file as open 24/7, including 7-Eleven St Clair, 7-Eleven Colyton and 7-Eleven St Marys. Check the station page before a late-night trip.

About these St Clair 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.