Suburb fuel prices
Cheap Ethanol 10 in St Marys New South Wales 1790
1.9c below the New South Wales average — St Marys is 10.9c/L under its 30-day average right now — near the bottom of the cycle.
Prices as of 22 min ago AEST · sourced from FuelCheck
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E10 in St Marys is cheaper than the New South Wales average
St Marys sits 1.9c below the New South Wales average. St Marys is 10.9c/L under its 30-day average right now — near the bottom of the cycle.
How it compares
- New South Wales state avg157.6c/L-1.9c/L
- National avg158.7c/L-3c/L
- Wholesale (TGP)154.1c/L+1.6c/L
Top stations
Cheapest E10 stations in St Marys
Sorted by current E10 price. Tap a station for grades, directions and price age.
OTR Ropes Crossing
Cheapest1.5 km away · 306 WIANAMATTA PWY, ROPES CROSSING
151.9 c/L
-3.8 vs avg
Metro St Marys
5.8 km away · 516-526 GREAT WESTERN HWY, ST MARYS
152.5 c/L
-3.2 vs avg
Pearl Energy Colyton
6.5 km away · 86 GREAT WESTERN HWY, COLYTON
152.5 c/L
-3.2 vs avg
Speedway North St Marys
4.7 km away · 91 Glossop St, North St Marys
152.5 c/L
-3.2 vs avg
BP St Marys
4.6 km away · 76 Glossop Street, St Marys
152.9 c/L
-2.8 vs avg
BP St Marys (Forrester Road)
4.0 km away · 120-128 Forrester Road, ST MARYS
152.9 c/L
-2.8 vs avg
Showing 6 of 53 stations.
30-day spread · E10
St Marys E10 cycle
St Marys is currently 10.9c/L below its 30-day average — a relatively good time to fill up.
30-day low
151.9c/L
Lowest point in the local spread
30-day average
163.8c/L
30-day high
185.9c/L
Today's average
152.9c/L
Cheapest E10 right now
- 1Costco Marsden Park (Members only)Costco · 5.8 km away144.7 c/L4.0
- 2Independent RiverstoneIndependent · 9.5 km away145.7 c/L1.0
- 3Metro LondonderryMetro · 9.4 km away146.5 c/L1.0
- 4OTR Ropes CrossingShell · 1.5 km away151.9 c/L2.0
- 5Ampol Foodary Marsden ParkAmpol · 6.3 km away151.9 c/L2.0
Source: Reported E10 pump prices across St Marys.
7-day outlook
St Marys 7-day E10 outlook
St Marys prices follow the Central Coast cycle, so this outlook takes the Central Coast E10 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
161.1c/L
Predicted in 7 days
171.2c/L
7-day range
158.8 – 176.7c/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 | 155.7c | 173.9c | 10 | OTR Ropes Crossing |
| U91 | 153.9c | 158.0c | 175.9c | 9 | OTR Ropes Crossing |
| P95 | 171.9c | 173.9c | 176.9c | 4 | OTR Ropes Crossing |
| PDSL | 179.5c | 184.2c | 187.9c | 8 | Metro St Marys |
| P98 | 171.5c | 181.5c | 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
151.7c
-4.0vs St Marys - MaMarsden Park
151.7c
-4.0vs St Marys - RiRiverstone
151.7c
-4.0vs St Marys - ViVineyard
151.7c
-4.0vs St Marys - MaMaraylya
151.7c
-4.0vs St Marys - BeBerkshire Park
151.7c
-4.0vs St Marys - NeNelson
151.7c
-4.0vs St Marys - OaOakville
151.7c
-4.0vs St Marys - StSt MarysYou
155.7c
0.0vs St Marys - HaHassall Grove
161.2c
+5.5vs St Marys - DeDean Park
161.2c
+5.5vs St Marys
At a glance
St Marys fuel prices at a glance
- Cheapest E10
- 151.9 c/L
- Suburb average
- 155.7 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 E10 map.
St Marys snapshot
Live E10 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 155.7c across 10 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 1.9c below the New South Wales state average of 157.6c. 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 144.7c), Marsden Park (from 144.7c), Riverstone (from 144.7c), Vineyard (from 144.7c) or Maraylya (from 144.7c) before planning a fill-up.
Frequently asked
St Marys fuel questions
The cheapest Ethanol 10 in St Marys is currently at Costco Marsden Park (Members only) for 144.7 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.
