OTR

Live Fuel Prices at OTR St Marys, St Marys

โ—1181 South Rd
Open 24 hours

Prices last updated: 11:58 PM, 26 Jul 2026

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Current Fuel Prices

OTR St Marys is currently offering LPG/Autogas at 99.9c/L, making it a competitive option for motorists in St Marys. This OTR station offers 5 fuel types with prices ranging from 99.9c to 231.9c per litre. Available fuel types: Unleaded Petrol (187.9c/L), Premium Unleaded 95 (205.4c/L), Premium Unleaded 98 (214.9c/L), Premium Diesel (231.9c/L), LPG/Autogas (99.9c/L).

PetrolSMART Wait if You Can 40% confidence

Prices are higher than usual, in the top 1% of the 30-day range. Prices are in a falling phase of the cycle with minor fluctuations expected. โ€ข Ranked #2 of 3 cheapest in St Marys

Station Information

Located at 1181 South Rd, this OTR station serves the St Marys area in SA. Compare prices with other stations in St Marys to ensure you're getting the best deal, or view all OTR stations across SA.

Compare Nearby Stations

Finding the cheapest fuel in St Marys? Compare this station's prices with all OTR and competitor stations in the area. View all St Marys fuel prices or browse statewide prices across SA. Use our Best Time to Fill Up guide to maximise your savings.

Data Sources

Prices are sourced from SA Fuel Pricing and community-verified reports, updating continuously throughout the day. Compare prices by brand or use our Savings Calculator to see how much you could save.

Current Fuel Prices

Unleaded Petrol
187.9
26 Jul, 11:58pm
Premium Unleaded 95
205.4
26 Jul, 11:58pm
Premium Unleaded 98
214.9
26 Jul, 11:58pm
Premium Diesel
231.9
26 Jul, 11:58pm
LPG/Autogas
99.9
26 Jul, 11:58pm
PetrolSMART Price Intelligence
40% forecast accuracy
Current recommendation for this station:
Fill Up Now Good Value Fair Price Wait if You Can Check Price
  • Price is in the top 1% of 30-day range
  • Prices trending upward from trough

Price Cycle Position

Where this station sits in the typical weekly price cycle

Next Low
~6d
until trough
Low
Rising
High
Falling
Current
RISING
Confidence
70%
accuracy
Typical cycle length: 7 days
Prices Are Climbing

Prices are rising from their low point toward the peak. Consider filling up soon to avoid paying more as prices continue to climb.

7-Day Forecast
172.6ยข/L (+5.7)
Prices are expected to rise 5.7c over the next week. Consider filling up sooner rather than later to avoid the increase.
#2 of 3 cheapest -0.7c vs avg

Price Trends (09 May - 26 Jul 2026) - All Fuel Types

Fuel Types

Price Statistics & Insights (90-Day Analysis)

LPG/Autogas

90-Day Low
99.9c
90-Day High
99.9c
Average
99.9c
Price Range
0.0c
Volatility
0.0c
Price Changes
1/3 days
Stable pricing - This station rarely changes prices, making it predictable for budgeting.
Consistent pricing - Only 1 price changes in 3 days. Very stable.

Premium Diesel

90-Day Low
171.9c
90-Day High
233.9c
Average
203.5c
Price Range
62.0c
Volatility
18.1c
Price Changes
48/79 days
Volatile pricing - Prices change frequently. Check often to catch the best deals.
Frequent updates - Prices changed 48 times in 79 days. Monitor regularly for savings.

Premium Unleaded 95

90-Day Low
166.4c
90-Day High
207.4c
Average
182.7c
Price Range
41.0c
Volatility
9.6c
Price Changes
46/79 days
Volatile pricing - Prices change frequently. Check often to catch the best deals.
Frequent updates - Prices changed 46 times in 79 days. Monitor regularly for savings.

Premium Unleaded 98

90-Day Low
175.9c
90-Day High
216.9c
Average
192.2c
Price Range
41.0c
Volatility
9.6c
Price Changes
46/79 days
Volatile pricing - Prices change frequently. Check often to catch the best deals.
Frequent updates - Prices changed 46 times in 79 days. Monitor regularly for savings.

Unleaded Petrol

90-Day Low
148.9c
90-Day High
189.9c
Average
165.2c
Price Range
41.0c
Volatility
9.6c
Price Changes
46/79 days
Volatile pricing - Prices change frequently. Check often to catch the best deals.
Frequent updates - Prices changed 46 times in 79 days. Monitor regularly for savings.
7-day trend: Rising (+15.6c vs prior week)
Current price is in the top 20% of the 90-day range. Prices are higher than usual right now.
High volatility alert: Prices have swung 41.0c in the last 90 days. Timing your fill wisely could save you 12.3c/L or more.

Best Time to Fill Up at This Station

This station shows mild price fluctuations of around 3.0c/L across the week.

Fill soon! Prices are rising from the trough. The sooner you fill up, the more you'll save as prices continue to climb.
7-day forecast: 172.6ยข (+5.7 from today)
Best Day
Monday
Avg 163.6c/L
Worst Day
Friday
Avg 166.6c/L
Potential Savings
3.0c/L
Up to $1.50/50L tank
Weekly Price Pattern (90 Day Analysis)
Sun
166.2c
Mon
163.6c
Best
Tue
164.8c
Wed
163.8c
Thu
164.4c
Fri
166.6c
Avoid
Sat
166.5c
Fill up on Monday to save up to 3.0c/L compared to Friday.
Drivers who fill on Monday instead of Friday save an average of 3.0c/L. That's up to $1.50 per 50L tank!

Based on 79 price observations over 90 days. Pattern strength: weak

โ— Compare Nearby Stations (Within 5km)

Station Brand Suburb Distance ULP Price Difference
U-Go St Marys U-Go St Marys 0.4 km 183.9c 4.0c cheaper
United Melrose Park United Melrose Park 1.7 km 185.9c 2.0c cheaper
Ampol Foodary Edwardstown Ampol Edwardstown 1.7 km 185.9c 2.0c cheaper
Solo Marion Solo Marion 1.8 km 187.5c 0.4c cheaper
Liberty Clarence Gardens Liberty Clarence Gardens 3.0 km 187.7c 0.2c cheaper
Ampm Edwardstown AM/PM Edwardstown 0.8 km 187.9c Same price
BP X Convenience Panorama X Convenience Panorama 1.6 km 187.9c Same price
BP X Convenience North Brighton X Convenience North Brighton 5.0 km 187.9c Same price
Shell OTR St Marys OTR St Marys 0.0 km 187.9c Same price
X Convenience Cross Road X Convenience Cross 3.5 km 189.9c 2.0c more
โ–ธ View on Interactive Map

About OTR St Marys

OTR St Marys is a OTR service station located in St Marys, SA. Our real-time fuel price tracking system monitors this station and updates prices multiple times daily from official sources and community data.

This station is part of the Petrolmate network covering SA, helping drivers find the cheapest petrol prices in St Marys and surrounding areas. Compare prices from OTR St Marys with nearby stations to ensure you're getting the best value for your fuel.

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