Suburb fuel prices
Cheap Premium 98 in St Marys South Australia 5042
9.1c below the South Australia average — St Marys is 6.6c/L under its 30-day average right now — near the bottom of the cycle.
Prices as of 13 min ago AEST · sourced from SA Fuel Pricing Information Scheme
FILL UP
P98 in St Marys is cheaper than the South Australia average
St Marys sits 9.1c below the South Australia average. St Marys is 6.6c/L under its 30-day average right now — near the bottom of the cycle.
How it compares
- South Australia state avg185.1c/L-9.1c/L
- National avg187.6c/L-11.6c/L
Top stations
Cheapest P98 stations in St Marys
Sorted by current P98 price. Tap a station for grades, directions and price age.

U-Go St Marys
Cheapest1.3 km away · 1129-1131 South Rd & Southern Av
171.3 c/L
-4.7 vs avg

OTR St Marys
1.0 km away · 1181 South Rd
177.9 c/L
+1.9 vs avg

OTR Pasadena
1.3 km away · 14 Fiveash Dr & Painter St
178.9 c/L
+2.9 vs avg

EG Ampol West Richmond
8.1 km away · 130-132 Marion Rd
169.5 c/L
-6.5 vs avg

Solo Marion
1.9 km away · 734 Marion Road
171.3 c/L
-4.7 vs avg

United Melrose Park
2.7 km away · 993-997 South Road
172.3 c/L
-3.7 vs avg
Showing 6 of 69 stations.
30-day spread · P98
St Marys P98 cycle
St Marys is currently 6.6c/L below its 30-day average — a relatively good time to fill up.
30-day low
171.3c/L
Lowest point in the local spread
30-day average
185.0c/L
30-day high
202.9c/L
Today's average
178.4c/L
Cheapest P98 right now
- 1EG Ampol West RichmondAmpol · 8.1 km away169.5 c/L
- 2U-Go St MarysU-Go · 1.3 km away171.3 c/L0.6
- 3Solo MarionSolo · 1.9 km away171.3 c/L
- 4United Melrose ParkUnited · 2.7 km away172.3 c/L0.6
- 5AMPM Mile EndAM/PM · 9.1 km away172.5 c/L4.0
Source: Reported P98 pump prices across St Marys.
7-day outlook
St Marys 7-day P98 outlook
St Marys prices follow the Adelaide cycle, so this outlook takes the Adelaide P98 forecast and adjusts it to St Marys's own price level using 90 days of local history. You can see the Adelaide benchmark alongside the local estimate below.
Adelaide is in the stable phase of its current cycle.
St Marys today (est.)
176.2c/L
Adelaide 179.1c/L · -2.9c/L local
Predicted in 7 days
189.6c/L
7-day range
174.6 – 191.3c/L
All fuel types
Fuel prices in St Marys by type
Low, average and high for each fuel type from the 3 stations tracked here.
| Fuel | Low | Avg | High | Stations | Cheapest at |
|---|---|---|---|---|---|
| U91 | 149.3c | 150.7c | 151.9c | 3 | U-Go St Marys |
| P95 | 163.3c | 167.0c | 169.4c | 3 | U-Go St Marys |
| P98 | 171.3c | 176.0c | 178.9c | 3 | U-Go St Marys |
| PDSL | 178.3c | 179.4c | 179.9c | 3 | U-Go 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
176.0c
0.0vs St Marys - ToTonsley
176.0c
0.0vs St Marys - ClClovelly Park
176.0c
0.0vs St Marys - FlFlinders University
176.0c
0.0vs St Marys - PaPasadena
176.0c
0.0vs St Marys - BeBedford Park
176.0c
0.0vs St Marys - DaDaw Park
176.4c
+0.4vs St Marys - CoColonel Light Gardens
176.4c
+0.4vs St Marys - CuCumberland Park
176.4c
+0.4vs St Marys - PaPanorama
176.4c
+0.4vs St Marys - WeWestbourne Park
176.4c
+0.4vs St Marys
At a glance
St Marys fuel prices at a glance
- Cheapest P98
- 171.3 c/L
- Suburb average
- 176.0 c/L
- Price range
- 7.6c spread
- Stations tracked
- 3
- Brands
- 2
- Postcode
- 5042
- Last updated
- 24 June 2026, 4:37 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 P98 map.
St Marys snapshot
Live P98 prices in St Marys
Today's prices
In St Marys, South Australia, the cheapest U91 today is 149.3c with an area average of 150.7c across 3 listed stations. Other fuels tracked in this suburb include P95 from 163.3c, P98 from 171.3c and PDSL from 178.3c.
How it compares
St Marys is currently 9.1c below the South Australia state average of 185.1c. Open the live fuel map to see how individual stations spread within St Marys.
Compare neighbouring suburbs
Cheaper fuel may be nearby — compare Tonsley (from 171.3c), Clovelly Park (from 171.3c), Flinders University (from 171.3c), Pasadena (from 171.3c) or Bedford Park (from 171.3c) before planning a fill-up.
Brands operating here
2 fuel brands operate stations in St Marys, including On The Run (OTR) and U-Go. 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 Premium 98 in St Marys is currently at EG Ampol West Richmond for 169.5 c/L.
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Track St Marys prices, watch the local cycle and get an alert before the next jump — from your phone.


