Forecast and prices
Mount Gambier price forecast and Mount Gambier petrol prices.
Mount Gambier Diesel price trend
Diesel · city daily averages
Mount Gambier is in the middle of its recent range and easing: Diesel averaged 260.8 c/L on Mon 9 Nov, 21.1 c/L under its high of 281.9 c/L on Fri 25 Sept and 20.9 c/L above its low of 239.9 c/L on Fri 14 Aug.
Mount Gambier city daily averages
Mount Gambier Diesel, last 89 days
Source: FuelRadar (fuelradar.com.au)
Pump average 6.7 c/L above wholesale on Fri 6 Nov.
View the reported prices
| Day | Diesel (c/L) |
|---|---|
| 260.8 | |
| 261.1 | |
| 261.6 | |
| 263.7 | |
| 264.1 | |
| 263.9 | |
| 264.4 | |
| 264.8 | |
| 264.8 | |
| 264.6 | |
| 264.6 | |
| 264.5 | |
| 264.2 | |
| 264.4 | |
| 266.0 | |
| 266.0 | |
| 266.3 | |
| 267.3 | |
| 271.0 | |
| 271.2 | |
| 271.6 | |
| 275.0 | |
| 275.0 | |
| 275.5 | |
| 276.2 | |
| 276.3 | |
| 278.1 | |
| 277.9 | |
| 277.2 | |
| 277.1 | |
| 276.7 | |
| 276.8 | |
| 276.8 | |
| 276.8 | |
| 277.0 | |
| 277.9 | |
| 278.0 | |
| 278.1 | |
| 279.1 | |
| 279.1 | |
| 280.0 | |
| 280.9 | |
| 280.9 | |
| 281.6 | |
| 281.6 | |
| 281.9 | |
| 281.6 | |
| 280.0 | |
| 277.9 | |
| 277.1 | |
| 275.0 | |
| 273.3 | |
| 268.6 | |
| 264.5 | |
| 261.2 | |
| 257.1 | |
| 255.0 | |
| 254.8 | |
| 254.1 | |
| 252.3 | |
| 251.5 | |
| 250.5 | |
| 249.5 | |
| 249.1 | |
| 249.1 | |
| 248.5 | |
| 246.8 | |
| 245.8 | |
| 246.1 | |
| 246.4 | |
| 246.4 | |
| 246.4 | |
| 246.4 | |
| 247.3 | |
| 247.5 | |
| 247.2 | |
| 246.7 | |
| 246.4 | |
| 245.8 | |
| 245.7 | |
| 242.8 | |
| 242.0 | |
| 242.0 | |
| 241.7 | |
| 241.4 | |
| 241.0 | |
| 240.6 | |
| 239.9 | |
| 240.7 |
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App preview. Prices shown are example captures, not current reports.
What's next for Mount Gambier prices
Diesel · next 7 days · estimate
Estimate only (yesterday's outlook): little change expected by Tue 17 Nov.
| When | Estimate (c/L) | Change |
|---|---|---|
| TomorrowWed 11 Nov | 260.8likely 259.0–265.9 | About the same |
| In 3 daysFri 13 Nov | 260.6likely 257.0–271.6 | About the same |
| In 7 daysTue 17 Nov | 260.3likely 254.2–279.3 | About the same |
Change is from the outlook's 260.9 c/L for today. Over the last 55 days, 7-day estimates missed by 5.2 c/L on average; "no change" missed by 6.0 c/L.
How Mount Gambier compares
On Mon 9 Nov Mount Gambier's Diesel city average was 2.7 c/L below Adelaide's. It is 14.1 c/L below the South Australia average and 15.5 c/L below the Australia average of current station reports. Mount Gambier averaged 272.6 c/L in October, 8.1 c/L higher than in September. Mount Gambier averaged 235.3 c/L for U91 in October 2026, the third cheapest of the 60 South Australia towns we ranked and 2.2 c/L above Adelaide.
| Area | Diesel average (c/L) |
|---|---|
| Mount GambierCity daily average, Mon 9 Nov | 260.8 |
| AdelaideCity daily average, Mon 9 Nov | 263.5 |
| South Australia308 current station reports | 274.9 |
| Australia4,064 current station reports | 276.3 |
Cheapest day of the week in Mount Gambier
Full weeks each day was the cheapest
Source: FuelRadar (fuelradar.com.au) · data as at 8 Nov 2026, 10:00 am AEST
No weekday was reliably cheaper over the last 11 full weeks; weekday averages sat within 0.5 c/L of each other.
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Check Mount Gambier station prices
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Diesel alerts for Mount Gambier
Mount Gambier's city average was 260.8 c/L on Mon 9 Nov. Pick a station and a target price, and FuelRadar tells you when it gets there.
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Nearest towns
Portland, VIC (93 km), Warrnambool, VIC (162 km), Horsham, VIC (174 km) and Colac, VIC (252 km).
South Australia
Diesel price questions
What is the best day to buy Diesel in Mount Gambier?
There is no reliably cheaper day right now. No weekday was consistently cheapest in Mount Gambier over the last 11 full weeks to 8 Nov: the weekday averages sat within 0.5 c/L of each other. Compare current station prices instead.
Does Diesel follow a regular petrol price cycle?
Diesel does not usually follow the regular unleaded petrol cycle. The chart is recent price history, not a countdown to a low.
How should I compare Diesel prices in Mount Gambier?
Compare the same fuel type across nearby stations, check when each price was updated and weigh any saving against the extra distance.