OTR St Marys
1181 South Rd, St Marys SA 5042
Open 24 hours · On The Run (OTR)
Prices now
| Fuel | Pump |
|---|---|
| 199.4 | |
| 216.9 | |
| 222.4 | |
| 249.4 |
Prices in c/L · All in stock · SA fuel pricing · Pick a fuel to switch the price check, chart and nearby list
U91 here is 9.5 over the cheapest of 16 within 3.5 km (189.9) · 1.2 over the average within 3.5 km (198.2).
Updated · same price since 10:15 am
More about this price
: Unleaded 91 at OTR St Marys is 199.4 c/L.
- cheapest nearby
- 189.9 c/L
- average within 3.5 km
- 198.2 c/L
- dearest nearby
- 205.9 c/L
The dot is this station.
The cheapest nearby is 0.4 km away, at U-Go St Marys
Cheaper with a membership: 189.9 c/L, 0.6 km away, at LMCT+ Edwardstown.
A 60 L fill at U-Go St Marys is $5.57 less after the drive there and back.
FuelRadar's Adelaide forecast estimates the next move from the city's price cycle. Adelaide forecast
Is Unleaded 91 cheaper at OTR St Marys than nearby?
Dearer than nearby
$0.72 more on a 60 L fill than the average within 3.5 km.
This station's lowest Unleaded 91 price in 30 days.
How OTR St Marys compares
Unleaded 91 at OTR St Marys is 23.9 c/L under the Australia average of 223.3 c/L.
The average within 3.5 km is the mean price of the 16 stations there that sell Unleaded 91 to everyone, this one included. Members-only prices are not counted in the averages. · Source: SA fuel pricing
Are these prices correct?
Report a price without an account: email FuelRadar or use the SA form.
Have a docket or membership?
Each fuel against the average within 3.5 km
- Unleaded 91: 1.2 c/L dearer
- Premium 95: 2.1 c/L dearer
- Premium 98: 1.0 c/L dearer
- Premium Diesel: 5.0 c/L cheaper
Cheaper Unleaded 91 nearby
Cheapest first · difference from this station's 199.4 c/L · Updated
- U-Go St Marys St Marys · 0.4 km 189.99.5 c/L cheaper than this station1129-1131 South Rd & Southern AvDirections
Showing 5 of 17 stations.
Worth the drive to U-Go St Marys?
- 60 L here
- $119.64
- 199.4 c/L
- At U-Go St Marys
- $113.94
- 189.9 c/L · 0.4 km away
- After the 0.8 km round trip
- save $5.57
- Before discounts
Both prices updated
Cost of 60 L for every grade here
- Unleaded 91
- $119.64
- Premium 95
- $130.14
- Premium 98
- $133.44
- Premium Diesel
- $149.64
How this is worked out
Each total is the reported Unleaded 91 price times the litres above; discounts are excluded. The detour assumes a 0.8 km round trip at 8.0 L/100km, at this station's price. Confirm the pump price and update time before driving.
Open the fill-up cost toolUnleaded 91 price history
Unleaded 91 here today: cheaper than 77% of Adelaide stations.
Unleaded 91 here
- 30-day low
- 199.4 c/L
- 30-day high
- 225.9 c/L
- Last change
- 2.0 c/L lower
- Changed 3h ago
When Unleaded 91 may change next
Next change likely Sun afternoon. Unleaded 91 here has changed about once a day over its last 81 price changes; how far it will move is not estimated yet.
When Unleaded 91 changes here
Of the last 8 changes, most came on Thursday and Sunday (2).
The last 8 price changes for Unleaded 91: the biggest fall 2.0 c/L.
Price changes, newest first (8)
| Reported | Price | Change |
|---|---|---|
| 199.4 | ||
| 201.4 | ||
| 203.4 | ||
| 205.4 | ||
| 207.4 | ||
| 208.4 | ||
| 209.4 | ||
| 211.4 |
Stations must report price changes to Consumer and Business Services SA
How these figures are worked out
Cheap is at or below 199.5 c/L and high is at or above 208.9 c/L: the prices that mark off the cheapest and dearest quarter of 202 Adelaide stations with a current Unleaded 91 price. The median is 203.7 c/L.
The dial runs from 197.2 c/L to 212.9 c/L across those stations: green is cheap, amber average and red high, and the marker is this price.
Nationally the middle half of 6905 stations charge 213.9 c/L to 229.9 c/L.
The grey bar is this station's own Unleaded 91 price over the last 30 days, from its lowest (199.4 c/L on 15 Nov) to its highest (225.9 c/L on 16 Oct). It does not set the label.
An unchanged price is still the current price here, so the level follows how recently FuelRadar received the state feed: within 2 hours is High confidence, 12 hours Good, 48 hours Fair, older Low.
The station last reported a price change on 15 Nov 2026.
Price outlook
About OTR St Marys
OTR St Marys is an On The Run (OTR) service station at 1181 South Rd, St Marys SA 5042, listing Unleaded 91, Premium 95, Premium 98 and Premium Diesel. Its Unleaded 91 price changed 12 times in the 14 days to 15 Nov 2026.
- Hours
- Open 24 hours, every day
Hours recorded 15 Nov 2026
- Reviews
- Read reviews on Google Maps
Where is the cheapest fuel near OTR St Marys?
- Unleaded 91
9th of 16 within 3.5 km
Cheapest other: U-Go St Marys 189.9 · 0.4 km
- Premium 95
Joint 7th of 13 within 3.5 km
Cheapest other: United Melrose Park 203.9 · 1.7 km
- Premium 98
7th of 16 within 3.5 km
Cheapest other: U-Go St Marys 212.9 · 0.4 km
- Premium Diesel
Joint 1st of 15 within 3.5 km
Cheapest other: U-Go St Marys 249.4 · 0.4 km
Check U91 at OTR St Marys in the app
Today's prices, the fuel map and your saved stations in the free FuelRadar app. Free on iPhone and Android.
App preview. Prices shown are example captures, not current reports.
OTR St Marys questions
What fuel prices are listed at OTR St Marys?
The latest report for OTR St Marys lists Unleaded 91 199.4 c/L, Premium 95 216.9 c/L, Premium 98 222.4 c/L and Premium Diesel 249.4 c/L.
How do OTR St Marys prices compare with nearby stations?
OTR St Marys's Unleaded 91 is 1.2 c/L dearer than the local going rate of 198.2 c/L, Premium 95 is 2.1 c/L dearer than the local going rate of 214.8 c/L, Premium 98 is 1.0 c/L dearer than the local going rate of 221.4 c/L and Premium Diesel is 5.0 c/L cheaper than the local going rate of 254.4 c/L.
Where is the cheapest Unleaded 91 near OTR St Marys?
For Unleaded 91, OTR St Marys is the 9th cheapest of 16 SA stations within 3.5 km; the cheapest is 189.9 c/L at U-Go St Marys, 0.4 km away, updated 15 Nov 2026. LMCT+ Edwardstown sells to members only at 189.9 c/L, 0.6 km away.
How often does OTR St Marys change its prices?
OTR St Marys's Unleaded 91 price changed 12 times in the 14 days to 15 Nov 2026. FuelRadar last updated prices for OTR St Marys on 15 Nov 2026.
How does OTR St Marys compare with the Australian average?
Unleaded 91 at OTR St Marys is 23.9 c/L below the Australian average of 223.3 c/L. On a 60-litre fill, that is about $14.34 less before discounts.
About these OTR St Marys fuel prices
Prices: SA fuel pricing. Checked by FuelRadar.
FuelRadar is an independent Australian app. It does not represent, and is not affiliated with or endorsed by, any government or government agency.