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Find Cheap Petrol in Mount Gambier, South Australia

As of 18 October 2026, the cheapest unleaded petrol in Mount Gambier, SA is 234.5c per litre at BP, Mount Gambier. Prices range from 234.5c to 239.9c across 2 stations, averaging 237.2c per litre.

Compare fuel prices from 2+ stations in Mount Gambier. Average: 237.2c/L

Last updated: 01:30 AM, 17 Oct 2026

Open Map View
237.2c
Average Price (ULP)
234.5c
Cheapest Price
2+
Petrol Stations
5.4c
Price Range

Mount Gambier Fuel Prices Today

Petrol prices in Mount Gambier currently range from 234.5c to 239.9c per litre for unleaded fuel, with motorists paying an average of 237.2c/L. We're tracking live prices from 2 service stations, which means you could save up to $2.70 on a 50L tank simply by choosing the right station. View all South Australia prices for broader comparisons.

Fuel Types Available

Compare all fuel types in Mount Gambier: Unleaded (ULP) from 234.5c/L, Diesel from 269.9c/L, Premium 95 from 257.4c/L, Premium 98 from 255.5c/L. Each fuel type page shows the cheapest stations in the area, helping you find the best deal whether you need regular unleaded, premium fuel, or diesel.

Best Time to Fill Up

South Australian prices are typically lowest Monday to Wednesday. Avoid filling up on weekends when prices tend to be higher. Check our Best Time to Fill Up guide for detailed advice.

Data Sources

Prices for Mount Gambier are sourced from SA Fuel Pricing, updated several times a day. Compare prices by brand or view our full station directory for more options.

Petrol Price Trends in Mount Gambier

Diesel
269.9c
No change
7-day change
269.9c 7-Day Trend 283.9c
Range: 14.0c/L
E10
232.5c
No change
7-day change
230.5c 7-Day Trend 235.5c
Range: 5.0c/L
Premium Diesel
274.6c
No change
7-day change
271.9c 7-Day Trend 278.7c
Range: 6.8c/L
Premium 95
257.4c
No change
7-day change
248.5c 7-Day Trend 259.4c
Range: 10.9c/L
Premium 98
259.2c
No change
7-day change
254.5c 7-Day Trend 262.9c
Range: 8.4c/L
Unleaded
237.2c
No change
7-day change
234.5c 7-Day Trend 239.9c
Range: 5.4c/L

30-Day Price History

Average (30d) 275.6c
Lowest 269.9c
Highest 283.9c
Volatility High
Average (30d) 232.8c
Lowest 230.5c
Highest 235.5c
Volatility Medium
Average (30d) 275.2c
Lowest 271.9c
Highest 278.7c
Volatility Medium
Average (30d) 255.1c
Lowest 248.5c
Highest 259.4c
Volatility Medium
Average (30d) 257.9c
Lowest 254.5c
Highest 262.9c
Volatility Medium
Average (30d) 236.5c
Lowest 234.5c
Highest 239.9c
Volatility Medium

Price Cycle in SA

South Australia shows moderate price cycling with mid-week peaks.

Mon
Best
Tue
Best
Wed
Avoid
Thu
Avoid
Fri
OK
Sat
OK
Sun
OK
Start-of-week refueling (Monday/Tuesday) offers the best value in South Australia.

PetrolSMART. Smart Fuel Insights

Prices on the Rise
Heads up - prices are trending up about 4.2c over the next week. Might be worth filling up sooner rather than later.
95% Forecast Accuracy
Our price predictions are highly accurate, verified across 4.8M forecasts using proper scoring methods.
Cheapest Day: Tuesday
Historically, Tuesday tends to have the best prices around here. Worth keeping in mind for your next fill.
Might Be Worth Waiting
Prices could drop soon based on current trends. If you're not running on empty, might pay to wait a day or two.
E10 Cheaper
E10 saves 4.7c/L.
$2.82 per tank.

PetrolSMART Price Intelligence

PetrolSMART Market Sentiment
20%
27%
53%
Fill Now
Good Value
Fair
Wait
Check

Check individual station prices in Mount Gambier

Price Cycle Overview

Distribution of stations across cycle phases in Mount Gambier

Dominant
Falling
38% conf
Low 0% (0)
Rising 10% (1)
High 0% (0)
Falling 90% (9)
Falling Phase Dominant
Prices dropping - might pay to wait a bit
7-Day Price Forecast
+4.2c
average expected change
0
forecasting
drop
7
stable
8
forecasting
rise
Prices Expected to Rise
Prices across Mount Gambier are forecast to rise around 4.2c on average. Consider filling up soon if you're running low.
Best Day to Fill Up
Tuesday

Based on historical price patterns in Mount Gambier, Tuesday tends to offer the best prices. Tuesday is historically one of the best days to fill up in many areas.

Cheapest Petrol Prices in Mount Gambier Right Now

Unleaded Petrol

Rank Station Brand Suburb Price Updated
Matthews Petroleum BP Mount Gambier 234.5c 16 Oct, 11:32pm
OTR Mount Gambier OTR Mount Gambier 239.9c Yesterday, 1:30am

Diesel

Rank Station Brand Suburb Price Updated
Matthews Petroleum BP Mount Gambier 269.9c 16 Oct, 11:32pm
United Petroleum Mount Gambier United Mount Gambier 269.9c Yesterday, 12:00am

Premium Unleaded 95

Rank Station Brand Suburb Price Updated
OTR Mount Gambier OTR Mount Gambier 257.4c Yesterday, 1:30am

Premium Unleaded 98

Rank Station Brand Suburb Price Updated
Matthews Petroleum BP Mount Gambier 255.5c 16 Oct, 11:32pm
OTR Mount Gambier OTR Mount Gambier 262.9c Yesterday, 1:30am

Premium Diesel

Rank Station Brand Suburb Price Updated
Matthews Petroleum BP Mount Gambier 269.9c 16 Oct, 11:32pm
United Petroleum Mount Gambier United Mount Gambier 271.9c Yesterday, 12:00am
OTR Mount Gambier OTR Mount Gambier 281.9c Yesterday, 1:30am

● Cheapest Suburbs for Petrol in Mount Gambier

Find the best value by suburb - average unleaded petrol prices:

Suburb Stations Average Price Cheapest Price
Mount Gambier 2 stations 237.2c 234.5c

✓ Cheapest Petrol Stations in Mount Gambier

Save money at these stations with the lowest ULP prices. Prices shown for all available fuel types:

Station Address Brand ULP E10 Diesel P95 P98 Updated
Matthews Petroleum 7 O'leary Road BP 234.5c - 269.9c - 255.5c 16 Oct, 11:32pm
OTR Mount Gambier 29 Penola Rd OTR 239.9c - - 257.4c 262.9c Yesterday, 1:30am

⚠ Most Expensive Petrol Stations in Mount Gambier

Avoid overpaying - these stations have the highest ULP prices:

Station Address Brand ULP E10 Diesel P95 P98 Updated
OTR Mount Gambier 29 Penola Rd OTR 239.9c - - 257.4c 262.9c Yesterday, 1:30am
Matthews Petroleum 7 O'leary Road BP 234.5c - 269.9c - 255.5c 16 Oct, 11:32pm

Savings Tip: Price difference between cheapest (234.5c/L) and most expensive (239.9c/L): 5.4c per litre. On a 50L tank, choosing the cheapest station saves you $2.70!

▸ Nearby Areas in SA

Compare fuel prices in these nearby locations:

Port Augusta
8 stations
Port Lincoln
7 stations
Blair Athol
5 stations
Ceduna
5 stations
Coober Pedy
5 stations
Murray Bridge
5 stations
Port Pirie
5 stations
Renmark
5 stations
Victor Harbor
5 stations
Whyalla
5 stations
Balaklava
4 stations
Berri
4 stations
Bordertown
4 stations
Clare
4 stations
Coffin Bay
4 stations
Golden Grove
4 stations
Hawker
4 stations
Kadina
4 stations
Kingston Se
4 stations
Mannum
4 stations
▸ View Interactive Map & Live Prices for Mount Gambier →

Other Suburbs in South Australia

Port Augusta Port Lincoln Blair Athol Ceduna Coober Pedy Murray Bridge Port Pirie Renmark Victor Harbor Whyalla Balaklava Berri Bordertown Clare

About Petrol Prices in Mount Gambier

Mount Gambier has 2 petrol stations. Right now, ULP (unleaded petrol) prices in Mount Gambier range from 234.5c/L to 239.9c/L (a difference of 5.4c/L).

Data from official government fuel price schemes, updated throughout the day. We track live prices from major fuel brands including Ampol, Shell, BP, 7-Eleven, Coles Express, and independent service stations. The current average price is 237.2c/L (last updated: 01:30 AM, 17 Oct 2026).

How to Save Money on Fuel in Mount Gambier

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