Suburb fuel prices

Cheap Unleaded 91 in St Marys New South Wales 1790

6.1c below the New South Wales average — St Marys is 11.1c/L under its 30-day average right now — near the bottom of the cycle.

Prices as of 24 min ago AEST · sourced from FuelCheck

NEW SOUTH WALES state averageAll fuelsU91E10DieselP. DieselP95P98
St Marys · U91Below the state avg

FILL UP

U91 in St Marys is cheaper than the New South Wales average

St Marys sits 6.1c below the New South Wales average. St Marys is 11.1c/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 avg163.9c/L-6.1c/L
  • National avg165.9c/L-8.1c/L
  • Wholesale (TGP)154.1c/L+3.7c/L

Top stations

Cheapest U91 stations in St Marys

Sorted by current U91 price. Tap a station for grades, directions and price age.

  1. OTR Ropes Crossing

    OTR Ropes Crossing

    Cheapest

    1.5 km away · 306 WIANAMATTA PWY, ROPES CROSSING

    153.9 c/L

    -3.9 vs avg

  2. Metro St Marys

    Metro St Marys

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

    154.5 c/L

    -3.3 vs avg

  3. Pearl Energy Colyton

    Pearl Energy Colyton

    6.5 km away · 86 GREAT WESTERN HWY, COLYTON

    154.5 c/L

    -3.3 vs avg

  4. Speedway North St Marys

    Speedway North St Marys

    4.7 km away · 91 Glossop St, North St Marys

    154.5 c/L

    -3.3 vs avg

  5. BP St Marys (Forrester Road)

    BP St Marys (Forrester Road)

    4.0 km away · 120-128 Forrester Road, ST MARYS

    154.9 c/L

    -2.9 vs avg

  6. BP St Marys South

    BP St Marys South

    6.9 km away · 12 Gallipoli St, St Marys

    155.9 c/L

    -1.9 vs avg

Showing 6 of 58 stations.

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30-day spread · U91

St Marys U91 cycle

St Marys is currently 11.1c/L below its 30-day average — a relatively good time to fill up.

30-day low

153.9c/L

Lowest point in the local spread

30-day average

166.0c/L

30-day high

187.9c/L

Today's average

154.9c/L

153.0170.5188.025 May10 June24 June
Daily averageMin–max spread across St Marys stations

Cheapest U91 right now

  1. 1Independent RiverstoneIndependent · 9.5 km away147.7 c/L1.0
  2. 2Metro LondonderryMetro · 9.4 km away148.5 c/L1.0
  3. 3Pearl Energy LondonderryPearl · 9.1 km away148.5 c/L1.0
  4. 4Metro Marsden Park Truck StopMetro · 5.7 km away148.9 c/L1.0
  5. 5OTR Ropes CrossingShell · 1.5 km away153.9 c/L2.0

Source: Reported U91 pump prices across St Marys.

7-day outlook

St Marys 7-day U91 outlook

Rising · +10.5c/L over 7 days

St Marys prices follow the Central Coast cycle, so this outlook takes the Central Coast U91 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.

1 day until the cycle trough — usually the cheapest day.

Central Coast today

163.7c/L

Predicted in 7 days

174.2c/L

7-day range

159.4 – 179.7c/L

158.0169.5181.0WedThuFriSatSunMonTue
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 10 stations tracked here.

FuelLowAvgHighStationsCheapest at
E10151.9c156.0c173.9c9OTR Ropes Crossing
U91153.9c157.8c175.9c10OTR Ropes Crossing
P95171.9c174.4c176.9c4OTR Ropes Crossing
PDSL179.5c185.9c199.9c8Metro St Marys
P98171.5c181.6c201.9c10Speedway North St Marys
DSL178.5c181.5c184.9c4Speedway North St Marys

Nearby suburbs

Suburbs near St Marys

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

  1. Bo
    Box HillCheapest

    156.5c

    -1.3vs St Marys
  2. Ma
    Marsden Park

    156.5c

    -1.3vs St Marys
  3. Ri
    Riverstone

    156.5c

    -1.3vs St Marys
  4. Vi
    Vineyard

    156.5c

    -1.3vs St Marys
  5. Ma
    Maraylya

    156.5c

    -1.3vs St Marys
  6. Be
    Berkshire Park

    156.5c

    -1.3vs St Marys
  7. Ne
    Nelson

    156.5c

    -1.3vs St Marys
  8. Oa
    Oakville

    156.5c

    -1.3vs St Marys
  9. St
    St MarysYou

    157.8c

    0.0vs St Marys
  10. Ha
    Hassall Grove

    162.9c

    +5.1vs St Marys
  11. De
    Dean Park

    162.9c

    +5.1vs St Marys

At a glance

St Marys fuel prices at a glance

Cheapest U91
153.9 c/L
Suburb average
157.8 c/L
Price range
22.0c spread
Stations tracked
10
Brands
7
Postcode
1790
Last updated
24 June 2026, 3:11 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 U91 map.

St Marys snapshot

Live U91 prices in St Marys

Today's prices

In St Marys, New South Wales, the cheapest E10 today is 151.9c with an area average of 156.0c across 9 listed stations. Other fuels tracked in this suburb include U91 from 153.9c, P95 from 171.9c and PDSL from 179.5c.

How it compares

St Marys is currently 6.1c below the New South Wales state average of 163.9c. Open the live fuel map to see how individual stations spread within St Marys.

Compare neighbouring suburbs

Cheaper fuel may be nearby — compare Box Hill (from 147.7c), Marsden Park (from 147.7c), Riverstone (from 147.7c), Vineyard (from 147.7c) or Maraylya (from 147.7c) before planning a fill-up.

Brands operating here

5 fuel brands operate stations in St Marys, including 7-Eleven, BP, Shell, Reddy and Speedway. 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 Unleaded 91 in St Marys is currently at Independent Riverstone for 147.7 c/L.

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