OTR

Live Fuel Prices at OTR St Marys, St Marys

โ—1181 South Rd
Open 24 hours

Prices last updated: 01:47 AM, 20 Jul 2026

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Current Fuel Prices

OTR St Marys is currently offering Unleaded Petrol at 168.9c/L, making it a competitive option for motorists in St Marys. This OTR station offers 4 fuel types with prices ranging from 168.9c to 208.9c per litre. Available fuel types: Unleaded Petrol (168.9c/L), Premium Unleaded 95 (186.4c/L), Premium Unleaded 98 (195.9c/L), Premium Diesel (208.9c/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
168.9
Today, 1:47am
Premium Unleaded 95
186.4
Today, 1:47am
Premium Unleaded 98
195.9
Today, 1:47am
Premium Diesel
208.9
Today, 1:47am
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 - 20 Jul 2026) - All Fuel Types

Fuel Types

Price Statistics & Insights (90-Day Analysis)

Premium Diesel

90-Day Low
171.9c
90-Day High
233.9c
Average
201.6c
Price Range
62.0c
Volatility
17.5c
Price Changes
41/73 days
Volatile pricing - Prices change frequently. Check often to catch the best deals.
Frequent updates - Prices changed 41 times in 73 days. Monitor regularly for savings.

Premium Unleaded 95

90-Day Low
166.4c
90-Day High
207.4c
Average
181.2c
Price Range
41.0c
Volatility
8.5c
Price Changes
39/73 days
Volatile pricing - Prices change frequently. Check often to catch the best deals.
Frequent updates - Prices changed 39 times in 73 days. Monitor regularly for savings.

Premium Unleaded 98

90-Day Low
175.9c
90-Day High
216.9c
Average
190.7c
Price Range
41.0c
Volatility
8.5c
Price Changes
39/73 days
Volatile pricing - Prices change frequently. Check often to catch the best deals.
Frequent updates - Prices changed 39 times in 73 days. Monitor regularly for savings.

Unleaded Petrol

90-Day Low
148.9c
90-Day High
189.9c
Average
163.7c
Price Range
41.0c
Volatility
8.5c
Price Changes
39/73 days
Volatile pricing - Prices change frequently. Check often to catch the best deals.
Frequent updates - Prices changed 39 times in 73 days. Monitor regularly for savings.
7-day trend: Rising (+3.3c 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 2.6c/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
Wednesday
Avg 162.3c/L
Worst Day
Friday
Avg 164.9c/L
Potential Savings
2.6c/L
Up to $1.30/50L tank
Weekly Price Pattern (90 Day Analysis)
Sun
164.3c
Mon
163.4c
Tue
163.7c
Wed
162.3c
Best
Thu
162.8c
Fri
164.9c
Avoid
Sat
164.7c
Fill up on Wednesday to save up to 2.6c/L compared to Friday.
Drivers who fill on Wednesday instead of Friday save an average of 2.6c/L. That's up to $1.30 per 50L tank!

Based on 73 price observations over 90 days. Pattern strength: weak

โ— Compare Nearby Stations (Within 5km)

Station Brand Suburb Distance ULP Price Difference
United Melrose Park United Melrose Park 1.7 km 164.9c 4.0c cheaper
U-Go St Marys U-Go St Marys 0.4 km 165.0c 3.9c cheaper
Ampol Foodary Edwardstown Ampol Edwardstown 1.7 km 165.9c 3.0c cheaper
Liberty Clarence Gardens Liberty Clarence Gardens 3.0 km 167.5c 1.4c cheaper
Solo Marion Solo Marion 1.8 km 167.5c 1.4c cheaper
Shell OTR St Marys OTR St Marys 0.0 km 168.9c Same price
OTR Glengowrie OTR Glengowrie 4.1 km 168.9c Same price
X Convenience North Brighton X Convenience North Brighton 5.0 km 168.9c Same price
BP X Convenience North Brighton X Convenience North Brighton 5.0 km 168.9c Same price
Ampol Foodary Glenelg North Ampol Glenelg North 5.0 km 169.9c 1.0c 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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