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Live Fuel Prices at Shell OTR St Marys, St Marys

●1181 South Road

Prices last updated: 05:58 AM, 04 Jun 2026

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Current Fuel Prices

Shell OTR St Marys is currently offering Unleaded Petrol at 161.9c/L, making it a competitive option for motorists in St Marys. This OTR station offers 4 fuel types with prices ranging from 161.9c to 201.9c per litre. Available fuel types: Unleaded Petrol (161.9c/L), Premium Unleaded 95 (179.4c/L), Premium Unleaded 98 (188.9c/L), Premium Diesel (201.9c/L).

PetrolSMART Check Price

Prices are currently well below average, in the bottom 1% of the 30-day range. • Ranked #3 of 3 cheapest in St Marys

Station Information

Located at 1181 South Road, 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
161.9
Today, 5:58am
Premium Unleaded 95
179.4
Today, 5:58am
Premium Unleaded 98
188.9
Today, 5:58am
Premium Diesel
201.9
Today, 5:58am
PetrolSMART Price Intelligence
Current recommendation for this station:
Fill Up Now Good Value Fair Price Wait if You Can Check Price
  • Price is in the bottom 1% of 30-day range
  • Prices trending downward

Price Cycle Position

Where this station sits in the typical weekly price cycle

Next Low
~1d
until trough
Low
Rising
High
Falling
Current
FALLING
Confidence
50%
accuracy
Typical cycle length: 7 days
Prices Are Falling

Prices are trending down from the peak toward the low point. Waiting a bit longer may save you money as prices continue to drop.

7-Day Forecast
165.3¢/L (+3.4)
Prices are expected to rise 3.4c over the next week. Consider filling up sooner rather than later to avoid the increase.
#3 of 3 cheapest -1.2c vs avg

Price Trends (14 Mar - 04 Jun 2026) - All Fuel Types

Fuel Types

Price Statistics & Insights (90-Day Analysis)

Premium Diesel

90-Day Low
201.9c
90-Day High
324.9c
Average
256.3c
Price Range
123.0c
Volatility
38.5c
Price Changes
33/67 days
Volatile pricing - Prices change frequently. Check often to catch the best deals.

Premium Unleaded 95

90-Day Low
179.4c
90-Day High
277.4c
Average
207.3c
Price Range
98.0c
Volatility
23.9c
Price Changes
36/67 days
Volatile pricing - Prices change frequently. Check often to catch the best deals.
Frequent updates - Prices changed 36 times in 67 days. Monitor regularly for savings.

Premium Unleaded 98

90-Day Low
188.9c
90-Day High
286.9c
Average
216.8c
Price Range
98.0c
Volatility
23.9c
Price Changes
36/67 days
Volatile pricing - Prices change frequently. Check often to catch the best deals.
Frequent updates - Prices changed 36 times in 67 days. Monitor regularly for savings.

Unleaded Petrol

90-Day Low
161.9c
90-Day High
259.9c
Average
189.8c
Price Range
98.0c
Volatility
23.9c
Price Changes
36/67 days
Volatile pricing - Prices change frequently. Check often to catch the best deals.
Frequent updates - Prices changed 36 times in 67 days. Monitor regularly for savings.
7-day trend: Falling (-5.1c vs prior week)
Current price is in the bottom 20% of the 90-day range. This is a relatively good price compared to recent history.
High volatility alert: Prices have swung 98.0c in the last 90 days. Timing your fill wisely could save you 29.4c/L or more.

Best Time to Fill Up at This Station

This station shows a strong weekly price pattern with 10.8c/L potential savings.

Wait 1 day! Prices are dropping and expected to hit the trough soon. A little patience could save you 8c/L or more.
7-day forecast: 165.3¢ (+3.4 from today)
Best Day
Thursday
Avg 182.7c/L
Worst Day
Monday
Avg 193.5c/L
Potential Savings
10.8c/L
Up to $5.40/50L tank
Weekly Price Pattern (90 Day Analysis)
Sun
188.6c
Mon
193.5c
Avoid
Tue
192.6c
Wed
189.6c
Thu
182.7c
Best
Fri
187.5c
Sat
192.8c
Fill up on Thursday to save up to 10.8c/L compared to Monday.
Drivers who fill on Thursday instead of Monday save an average of 10.8c/L. That's up to $5.40 per 50L tank!

Based on 67 price observations over 90 days. Pattern strength: strong

● Compare Nearby Stations (Within 5km)

Station Brand Suburb Distance ULP Price Difference
U-Go St Marys U-Go St Marys 0.4 km 157.5c 4.4c cheaper
Solo Marion Solo Marion 1.8 km 159.5c 2.4c cheaper
X Convenience Cross Road X Convenience Cross 3.5 km 161.5c 0.4c cheaper
Ampol Foodary Edwardstown Ampol Edwardstown 1.7 km 161.5c 0.4c cheaper
BP X Convenience Panorama X Convenience Panorama 1.7 km 161.5c 0.4c cheaper
X Convenience Plympton X Convenience Plympton 4.1 km 161.5c 0.4c cheaper
Liberty Clarence Gardens Liberty Clarence Gardens 3.0 km 161.5c 0.4c cheaper
OTR Pasadena OTR Pasadena 1.5 km 161.9c Same price
Ampm Edwardstown AM/PM Edwardstown 0.8 km 161.9c Same price
Ampol Foodary Westbourne Park Ampol Westbourne Park 3.0 km 161.9c Same price
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About Shell OTR St Marys

Shell 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 Shell OTR St Marys with nearby stations to ensure you're getting the best value for your fuel.

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