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LPG in St Marys is cheaper than the South Australia average
St Marys sits 8.7c below the South Australia average.
How it compares
- South Australia state avg111.8c/L-8.7c/L
- National avg111.4c/L-8.3c/L
Top stations
Cheapest LPG stations in St Marys
Sorted by current LPG price. Tap a station for grades, directions and price age.

OTR Clarence Park
Cheapest4.6 km away · 340-346 Goodwood Rd & Cross Rd
97.9 c/L
-5.2 vs avg

OTR Harbourtown Drive Thru
8.7 km away · Tapleys Hill Rd & West Beach Rd
97.9 c/L
-5.2 vs avg

Liberty Camden Park
6.3 km away · Cnr Morphett Rd and Mooringe Ave Road
99.5 c/L
-3.6 vs avg

Solo Marion
1.9 km away · 734 Marion Road
99.5 c/L
-3.6 vs avg

United Somerton Park
5.4 km away · 150 Brighton Rd
99.5 c/L
-3.6 vs avg

OTR Darlington
2.6 km away · 1483 Main South Rd
102.9 c/L
-0.2 vs avg
Showing 6 of 16 stations.
30-day spread · LPG
St Marys LPG cycle
St Marys is currently in line with its 30-day average for LPG.
30-day low
99.9c/L
Lowest point in the local spread
30-day average
99.9c/L
30-day high
99.9c/L
Today's average
99.9c/L
Cheapest LPG right now
- 1OTR Clarence ParkOn The Run (OTR) · 4.6 km away97.9 c/L
- 2OTR Harbourtown Drive ThruOn The Run (OTR) · 8.7 km away97.9 c/L
- 3Liberty Camden ParkLiberty · 6.3 km away99.5 c/L
- 4Solo MarionSolo · 1.9 km away99.5 c/L
- 5United Somerton ParkUnited · 5.4 km away99.5 c/L
Source: Reported LPG pump prices across St Marys.
All fuel types
Fuel prices in St Marys by type
Low, average and high for each fuel type from the 16 stations tracked here.
| Fuel | Low | Avg | High | Stations | Cheapest at |
|---|---|---|---|---|---|
| E10 | 145.3c | 147.0c | 148.3c | 3 | United Melrose Park |
| LPG | 97.9c | 103.1c | 107.9c | 16 | OTR Clarence Park |
| U91 | 149.3c | 152.3c | 154.9c | 10 | Solo Marion |
| P98 | 171.3c | 177.6c | 181.9c | 10 | Solo Marion |
| DSL | 176.3c | 178.0c | 179.5c | 4 | Solo Marion |
| P95 | 163.3c | 169.4c | 172.4c | 8 | United Melrose Park |
| PDSL | 179.5c | 183.0c | 184.9c | 7 | United Melrose Park |
Nearby suburbs
Suburbs near St Marys
How St Marys compares to neighbouring areas — cheapest first, delta vs the St Marys average.
At a glance
St Marys fuel prices at a glance
- Cheapest LPG
- 97.9 c/L
- Suburb average
- 103.1 c/L
- Price range
- 10.0c spread
- Stations tracked
- 16
- Brands
- 6
- Postcode
- 5042
- Last updated
- 24 June 2026, 6:07 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 LPG map.
St Marys snapshot
Live LPG prices in St Marys
Today's prices
In St Marys, South Australia, the cheapest E10 today is 145.3c with an area average of 147.0c across 3 listed stations. Other fuels tracked in this suburb include LPG from 97.9c, U91 from 149.3c and P98 from 171.3c.
How it compares
St Marys is currently 8.7c below the South Australia state average of 111.8c. 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 99.9c), Clovelly Park (from 99.9c), Flinders University (from 99.9c), Pasadena (from 99.9c) or Bedford Park (from 99.9c) before planning a fill-up.
Brands operating here
5 fuel brands operate stations in St Marys, including On The Run (OTR), United, Solo, Liberty and AM/PM. 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 LPG (Autogas) in St Marys is currently at OTR Clarence Park for 97.9 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.


