Suburb fuel prices
Cheap Premium Diesel in St Marys New South Wales 2760
1.2c above the New South Wales average — St Marys is 17.1c/L under its 30-day average right now — near the bottom of the cycle.
Prices as of 20 min ago AEST · sourced from FuelCheck
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P. Diesel in St Marys is dearer than the New South Wales average
St Marys sits 1.2c above the New South Wales average. St Marys is 17.1c/L under its 30-day average right now — near the bottom of the cycle.
How it compares
- New South Wales state avg185.3c/L+1.2c/L
- National avg188.3c/L-1.8c/L
- Wholesale (TGP)170.9c/L+15.6c/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.
Metro St Marys
Cheapest0.9 km away · 516-526 GREAT WESTERN HWY, ST MARYS
179.5 c/L
-7.0 vs avg
Pearl Energy Colyton
2.2 km away · 86 GREAT WESTERN HWY, COLYTON
179.5 c/L
-7.0 vs avg
OTR Ropes Crossing
3.8 km away · 306 WIANAMATTA PWY, ROPES CROSSING
183.9 c/L
-2.6 vs avg
7-Eleven St Marys
1.3 km away · Corner Mamre Road & Wilson Street, St Marys
186.9 c/L
+0.4 vs avg
7-Eleven St Marys
2.1 km away · Corner Forrester Road & Christie Street, St Marys
186.9 c/L
+0.4 vs avg
BP St Marys
1.0 km away · 76 Glossop Street, St Marys
186.9 c/L
+0.4 vs avg
Showing 6 of 55 stations.
30-day spread · P. Diesel
St Marys P. Diesel cycle
St Marys is currently 17.1c/L below its 30-day average — a relatively good time to fill up.
30-day low
179.5c/L
Lowest point in the local spread
30-day average
206.0c/L
30-day high
227.9c/L
Today's average
188.9c/L
Cheapest P. Diesel right now
- 1Costco Marsden Park (Members only)Costco · 7.9 km away170.7 c/L4.0
- 2Metro Fuel DoonsideMetro · 9.3 km away172.9 c/L5.0
- 3Metro Marsden Park Truck StopMetro · 9.5 km away177.5 c/L2.0
- 4OTR DoonsideShell · 9.5 km away177.9 c/L2.0
- 5Metro St MarysMetro · 0.9 km away179.5 c/L20.0
Source: Reported P. Diesel pump prices across St Marys.
7-day outlook
St Marys 7-day P. Diesel outlook
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.
St Marys today (est.)
185.8c/L
Central Coast 192.2c/L · -6.4c/L local
Predicted in 7 days
180.0c/L
7-day range
177.7 – 185.5c/L
All fuel types
Fuel prices in St Marys by type
Low, average and high for each fuel type from the 9 stations tracked here.
| Fuel | Low | Avg | High | Stations | Cheapest at |
|---|---|---|---|---|---|
| E10 | 152.5c | 156.8c | 173.9c | 8 | Metro St Marys |
| U91 | 154.5c | 158.9c | 175.9c | 8 | Metro St Marys |
| P98 | 171.5c | 182.9c | 201.9c | 9 | Metro St Marys |
| PDSL | 179.5c | 186.5c | 199.9c | 9 | Metro St Marys |
| P95 | 171.9c | 174.7c | 176.9c | 5 | BP St Marys |
Nearby suburbs
Suburbs near St Marys
How St Marys compares to neighbouring areas — cheapest first, delta vs the St Marys average.
- StSt MarysYou
186.5c
0.0vs St Marys - StSt Marys East
186.5c
0.0vs St Marys - NoNorth St Marys
186.5c
0.0vs St Marys - RoRopes Crossing
186.5c
0.0vs St Marys - StSt Marys South
186.5c
0.0vs St Marys - CoColyton
186.5c
0.0vs St Marys - OxOxley Park
186.5c
0.0vs St Marys - HeHebersham
191.5c
+5.0vs St Marys - LeLethbridge Park
191.5c
+5.0vs St Marys - BiBidwill
191.5c
+5.0vs St Marys - DhDharruk
191.5c
+5.0vs St Marys
At a glance
St Marys fuel prices at a glance
- Cheapest P. Diesel
- 179.5 c/L
- Suburb average
- 186.5 c/L
- Price range
- 20.4c spread
- Stations tracked
- 9
- Brands
- 5
- Postcode
- 2760
- Last updated
- 24 June 2026, 2:41 am 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 152.5c with an area average of 156.8c across 8 listed stations. Other fuels tracked in this suburb include U91 from 154.5c, P98 from 171.5c and PDSL from 179.5c.
How it compares
St Marys is currently 1.2c above the New South Wales state average of 185.3c. Open the live fuel map to see how individual stations spread within St Marys.
Compare neighbouring suburbs
Cheaper fuel may be nearby — compare St Marys East (from 179.5c), North St Marys (from 179.5c), Ropes Crossing (from 179.5c), St Marys South (from 179.5c) or Colyton (from 179.5c) before planning a fill-up.
Frequently asked
St Marys fuel questions
The cheapest Premium Diesel in St Marys is currently at Costco Marsden Park (Members only) for 170.7 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.
