Suburb fuel prices

Cheap Premium Diesel in St Marys New South Wales 1790

1.3c above the New South Wales average — St Marys is 26.0c/L under its 30-day average right now — near the bottom of the cycle.

Prices as of 21 min ago AEST · sourced from FuelCheck

NEW SOUTH WALES state averageAll fuelsU91E10DieselP. DieselP95P98
St Marys · P. DieselAbove the state avg

WAIT

P. Diesel in St Marys is dearer than the New South Wales average

St Marys sits 1.3c above the New South Wales average. St Marys is 26.0c/L under its 30-day average right now — near the bottom of the cycle.

NEW SOUTH WALES average

How it compares

  • New South Wales state avg183c/L+1.3c/L
  • National avg188.3c/L-4c/L
  • Wholesale (TGP)170.9c/L+13.4c/L

Top stations

Cheapest P. Diesel stations in St Marys

Sorted by current P. Diesel price. Tap a station for grades, directions and price age.

  1. Pearl Energy Colyton

    Pearl Energy Colyton

    Cheapest

    6.5 km away · 86 GREAT WESTERN HWY, COLYTON

    169.5 c/L

    -14.8 vs avg

  2. Metro St Marys

    Metro St Marys

    5.8 km away · 516-526 GREAT WESTERN HWY, ST MARYS

    179.5 c/L

    -4.8 vs avg

  3. OTR Ropes Crossing

    OTR Ropes Crossing

    1.5 km away · 306 WIANAMATTA PWY, ROPES CROSSING

    179.9 c/L

    -4.4 vs avg

  4. 7-Eleven St Marys

    7-Eleven St Marys

    6.6 km away · Corner Mamre Road & Wilson Street, St Marys

    181.9 c/L

    -2.4 vs avg

  5. BP St Marys

    BP St Marys

    4.6 km away · 76 Glossop Street, St Marys

    185.9 c/L

    +1.6 vs avg

  6. 7-Eleven St Marys

    7-Eleven St Marys

    3.2 km away · Corner Forrester Road & Christie Street, St Marys

    186.9 c/L

    +2.6 vs avg

Showing 6 of 56 stations.

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30-day spread · P. Diesel

St Marys P. Diesel cycle

St Marys is currently 26.0c/L below its 30-day average — a relatively good time to fill up.

30-day low

169.5c/L

Lowest point in the local spread

30-day average

203.1c/L

30-day high

227.9c/L

Today's average

177.1c/L

169.0198.5228.025 May10 June24 June
Daily averageMin–max spread across St Marys stations

Cheapest P. Diesel right now

  1. 1Pearl Energy ColytonPearl · 6.5 km away169.5 c/L10.0
  2. 2Costco Marsden Park (Members only)Costco · 5.8 km away170.7 c/L4.0
  3. 3Independent RiverstoneIndependent · 9.5 km away172.7 c/L1.0
  4. 47-Eleven Minchinbury7-Eleven · 7.2 km away173.9 c/L12.0
  5. 5Metro Marsden Park Truck StopMetro · 5.7 km away174.3 c/L3.2

Source: Reported P. Diesel pump prices across St Marys.

7-day outlook

St Marys 7-day P. Diesel outlook

Falling · -5.6c/L over 7 days

St Marys prices follow the Central Coast cycle, so this outlook takes the Central Coast P. Diesel forecast and adjusts it to St Marys's own price level using 90 days of local history. You can see the Central Coast benchmark alongside the local estimate below.

Central Coast is in the falling phase of its current cycle.

Central Coast today

185.2c/L

Predicted in 7 days

179.6c/L

7-day range

177.5 – 186.6c/L

177.0182.5188.0WedThuFriSatSunMonTue
Predicted price90% confidence band
See full 30-day forecastHow accurate is this?

All fuel types

Fuel prices in St Marys by type

Low, average and high for each fuel type from the 9 stations tracked here.

FuelLowAvgHighStationsCheapest at
E10151.5c156.1c173.9c8Pearl Energy Colyton
U91153.5c158.3c175.9c8Pearl Energy Colyton
P95170.9c173.7c176.9c5BP St Marys
PDSL169.5c184.3c199.9c9Pearl Energy Colyton
P98171.5c182.3c201.9c9Metro St Marys

Nearby suburbs

Suburbs near St Marys

How St Marys compares to neighbouring areas — cheapest first, delta vs the St Marys average.

  1. Vi
    VineyardCheapest

    180.9c

    -3.4vs St Marys
  2. Bo
    Box Hill

    180.9c

    -3.4vs St Marys
  3. Oa
    Oakville

    180.9c

    -3.4vs St Marys
  4. Ri
    Riverstone

    180.9c

    -3.4vs St Marys
  5. Ma
    Marsden Park

    180.9c

    -3.4vs St Marys
  6. Be
    Berkshire Park

    180.9c

    -3.4vs St Marys
  7. Ma
    Maraylya

    180.9c

    -3.4vs St Marys
  8. Ne
    Nelson

    180.9c

    -3.4vs St Marys
  9. St
    St MarysYou

    184.3c

    0.0vs St Marys
  10. Co
    Colebee

    185.1c

    +0.8vs St Marys
  11. De
    Dean Park

    185.1c

    +0.8vs St Marys

At a glance

St Marys fuel prices at a glance

Cheapest P. Diesel
169.5 c/L
Suburb average
184.3 c/L
Price range
30.4c spread
Stations tracked
9
Brands
5
Postcode
1790
Last updated
24 June 2026, 5:41 pm AEST

Explore the area

Browse fuel prices around St Marys

Step up to the city and state, compare neighbouring suburbs, or open the live P. Diesel map.

St Marys snapshot

Live P. Diesel prices in St Marys

Today's prices

In St Marys, New South Wales, the cheapest E10 today is 151.5c with an area average of 156.1c across 8 listed stations. Other fuels tracked in this suburb include U91 from 153.5c, P95 from 170.9c and PDSL from 169.5c.

How it compares

St Marys is currently 1.3c above the New South Wales state average of 183.0c. Open the live fuel map to see how individual stations spread within St Marys.

Compare neighbouring suburbs

Cheaper fuel may be nearby — compare Vineyard (from 170.7c), Box Hill (from 170.7c), Oakville (from 170.7c), Riverstone (from 170.7c) or Marsden Park (from 170.7c) before planning a fill-up.

Brands operating here

5 fuel brands operate stations in St Marys, including 7-Eleven, BP, Shell, Metro and Pearl. Brand loyalty programs and discount apps can shift the cheapest pump by 4–6c/L on any given day.

Frequently asked

St Marys fuel questions

The cheapest Premium Diesel in St Marys is currently at Pearl Energy Colyton for 169.5 c/L.

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