Suburb fuel prices
Cheap Petrol & Diesel in St Marys New South Wales 1790
3.9c above 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 9 min ago AEST · sourced from FuelCheck
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Unleaded 91 in St Marys is dearer than the New South Wales average
St Marys sits 3.9c above the New South Wales average. St Marys is 11.1c/L under its 30-day average right now — near the bottom of the cycle.
How it compares
- New South Wales state avg164.2c/L+3.9c/L
- National avg165.9c/L+2.2c/L
- Wholesale (TGP)154.1c/L+14c/L
Top stations
Cheapest Unleaded 91 stations in St Marys
Sorted by current Unleaded 91 price. Tap a station for grades, directions and price age.
Metro St Marys
Cheapest5.8 km away · 516-526 GREAT WESTERN HWY, ST MARYS
97.9 c/L
-70.2 vs avg
OTR Ropes Crossing
1.5 km away · 306 WIANAMATTA PWY, ROPES CROSSING
151.9 c/L
-16.2 vs avg
Pearl Energy Colyton
6.5 km away · 86 GREAT WESTERN HWY, COLYTON
152.5 c/L
-15.6 vs avg
Speedway North St Marys
4.7 km away · 91 Glossop St, North St Marys
152.5 c/L
-15.6 vs avg
BP St Marys (Forrester Road)
4.0 km away · 120-128 Forrester Road, ST MARYS
152.9 c/L
-15.2 vs avg
Shell Reddy Express St Marys
3.3 km away · 61-63 CHRISTIE ST, ST MARYS
153.9 c/L
-14.2 vs avg
Showing 6 of 58 stations.
30-day spread · Unleaded 91
St Marys Unleaded 91 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
Cheapest Unleaded 91 right now
- 1Metro St MarysMetro · 5.8 km away97.9 c/L
- 27-Eleven Kingswood7-Eleven · 6.6 km away107.9 c/L
- 37-Eleven RIVERSTONE7-Eleven · 9.1 km away109.9 c/L
- 47-Eleven St Clair7-Eleven · 8.4 km away109.9 c/L
- 57-Eleven Bligh Park7-Eleven · 9.2 km away110.9 c/L
Source: Reported Unleaded 91 pump prices across St Marys.
7-day outlook
St Marys 7-day Unleaded 91 outlook
St Marys prices follow the Central Coast cycle, so this outlook takes the Central Coast Unleaded 91 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
All fuel types
Fuel prices in St Marys by type
Low, average and high for each fuel type from the 10 stations tracked here.
| Fuel | Low | Avg | High | Stations | Cheapest at |
|---|---|---|---|---|---|
| E10 | 151.9c | 156.0c | 173.9c | 9 | OTR Ropes Crossing |
| U91 | 153.9c | 157.8c | 175.9c | 10 | OTR Ropes Crossing |
| P95 | 171.9c | 174.4c | 176.9c | 4 | OTR Ropes Crossing |
| PDSL | 179.5c | 185.9c | 199.9c | 8 | Metro St Marys |
| P98 | 171.5c | 181.6c | 201.9c | 10 | Speedway North St Marys |
| DSL | 178.5c | 181.5c | 184.9c | 4 | Speedway North St Marys |
Nearby suburbs
Suburbs near St Marys
How St Marys compares to neighbouring areas — cheapest first, delta vs the St Marys average.
- BoBox HillCheapest
156.7c
-11.4vs St Marys - MaMarsden Park
156.7c
-11.4vs St Marys - RiRiverstone
156.7c
-11.4vs St Marys - ViVineyard
156.7c
-11.4vs St Marys - MaMaraylya
156.7c
-11.4vs St Marys - BeBerkshire Park
156.7c
-11.4vs St Marys - NeNelson
156.7c
-11.4vs St Marys - OaOakville
156.7c
-11.4vs St Marys - HaHassall Grove
162.9c
-5.2vs St Marys - DeDean Park
162.9c
-5.2vs St Marys - StSt MarysYou
168.1c
0.0vs St Marys
At a glance
St Marys fuel prices at a glance
- Cheapest Unleaded 91
- 151.9 c/L
- Suburb average
- 168.1 c/L
- Price range
- 50.0c spread
- Stations tracked
- 10
- Brands
- 7
- Postcode
- 1790
- Last updated
- 24 June 2026, 1:11 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 Unleaded 91 map.
St Marys snapshot
Live Unleaded 91 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 3.9c above the New South Wales state average of 164.2c. 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.
Frequently asked
St Marys fuel questions
The cheapest E10 in St Marys is currently at Independent Riverstone for 145.7 c/L.
FuelRadar app
Keep St Marys fuel prices in your pocket
Track St Marys prices, watch the local cycle and get an alert before the next jump — from your phone.
