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
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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.
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.

Pearl Energy Colyton
Cheapest6.5 km away · 86 GREAT WESTERN HWY, COLYTON
169.5 c/L
-14.8 vs avg

Metro St Marys
5.8 km away · 516-526 GREAT WESTERN HWY, ST MARYS
179.5 c/L
-4.8 vs avg

OTR Ropes Crossing
1.5 km away · 306 WIANAMATTA PWY, ROPES CROSSING
179.9 c/L
-4.4 vs avg

7-Eleven St Marys
6.6 km away · Corner Mamre Road & Wilson Street, St Marys
181.9 c/L
-2.4 vs avg

BP St Marys
4.6 km away · 76 Glossop Street, St Marys
185.9 c/L
+1.6 vs avg

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.
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
Cheapest P. Diesel right now
- 1Pearl Energy ColytonPearl · 6.5 km away169.5 c/L10.0
- 2Costco Marsden Park (Members only)Costco · 5.8 km away170.7 c/L4.0
- 3Independent RiverstoneIndependent · 9.5 km away172.7 c/L1.0
- 47-Eleven Minchinbury7-Eleven · 7.2 km away173.9 c/L12.0
- 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
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
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 | 151.5c | 156.1c | 173.9c | 8 | Pearl Energy Colyton |
| U91 | 153.5c | 158.3c | 175.9c | 8 | Pearl Energy Colyton |
| P95 | 170.9c | 173.7c | 176.9c | 5 | BP St Marys |
| PDSL | 169.5c | 184.3c | 199.9c | 9 | Pearl Energy Colyton |
| P98 | 171.5c | 182.3c | 201.9c | 9 | Metro St Marys |
Nearby suburbs
Suburbs near St Marys
How St Marys compares to neighbouring areas — cheapest first, delta vs the St Marys average.
- ViVineyardCheapest
180.9c
-3.4vs St Marys - BoBox Hill
180.9c
-3.4vs St Marys - OaOakville
180.9c
-3.4vs St Marys - RiRiverstone
180.9c
-3.4vs St Marys - MaMarsden Park
180.9c
-3.4vs St Marys - BeBerkshire Park
180.9c
-3.4vs St Marys - MaMaraylya
180.9c
-3.4vs St Marys - NeNelson
180.9c
-3.4vs St Marys - StSt MarysYou
184.3c
0.0vs St Marys - CoColebee
185.1c
+0.8vs St Marys - DeDean 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.
Frequently asked
St Marys fuel questions
The cheapest Premium Diesel in St Marys is currently at Pearl Energy Colyton for 169.5 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.


