Forecast and prices
Mount Gambier price forecast and Mount Gambier petrol prices.
Mount Gambier Premium Diesel price trend
Premium Diesel · city daily averages
Mount Gambier is in the middle of its recent range and easing: Premium Diesel averaged 261.1 c/L on Mon 9 Nov, 24.3 c/L under its high of 285.4 c/L on Fri 25 Sept and 21.4 c/L above its low of 239.7 c/L on Fri 14 Aug.
Mount Gambier city daily averages
Mount Gambier Premium Diesel, last 89 days
Source: FuelRadar (fuelradar.com.au)
View the reported prices
| Day | Premium Diesel (c/L) |
|---|---|
| 261.1 | |
| 261.3 | |
| 261.9 | |
| 265.5 | |
| 265.8 | |
| 266.4 | |
| 266.4 | |
| 266.4 | |
| 266.3 | |
| 266.7 | |
| 266.5 | |
| 267.5 | |
| 267.1 | |
| 266.9 | |
| 266.8 | |
| 266.8 | |
| 267.0 | |
| 268.4 | |
| 272.6 | |
| 272.9 | |
| 272.9 | |
| 276.1 | |
| 276.1 | |
| 276.8 | |
| 277.3 | |
| 277.3 | |
| 278.4 | |
| 278.4 | |
| 278.5 | |
| 278.5 | |
| 278.5 | |
| 278.3 | |
| 278.3 | |
| 278.6 | |
| 279.1 | |
| 279.3 | |
| 279.3 | |
| 279.8 | |
| 280.3 | |
| 280.3 | |
| 282.4 | |
| 282.9 | |
| 283.7 | |
| 284.4 | |
| 284.9 | |
| 285.4 | |
| 285.4 | |
| 283.9 | |
| 282.1 | |
| 281.8 | |
| 279.6 | |
| 276.9 | |
| 272.0 | |
| 268.2 | |
| 264.4 | |
| 259.8 | |
| 257.5 | |
| 257.5 | |
| 256.3 | |
| 254.0 | |
| 253.4 | |
| 252.1 | |
| 251.4 | |
| 251.3 | |
| 251.5 | |
| 250.8 | |
| 247.7 | |
| 247.1 | |
| 247.4 | |
| 247.8 | |
| 248.0 | |
| 248.1 | |
| 248.1 | |
| 248.1 | |
| 247.5 | |
| 247.5 | |
| 247.2 | |
| 246.9 | |
| 246.5 | |
| 246.4 | |
| 243.6 | |
| 242.7 | |
| 242.9 | |
| 242.3 | |
| 241.9 | |
| 241.4 | |
| 240.6 | |
| 239.7 | |
| 241.4 |
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What's next for Mount Gambier prices
Premium Diesel · next 7 days · estimate
Estimate only (yesterday's outlook): prices may edge down about 2.0 c/L by Tue 17 Nov.
| When | Estimate (c/L) | Change |
|---|---|---|
| TomorrowWed 11 Nov | 260.5likely 258.7–266.8 | About the same |
| In 3 daysFri 13 Nov | 259.7likely 256.3–272.1 | Down 1.2 |
| In 7 daysTue 17 Nov | 258.9likely 253.8–278.6 | Down 2.0 |
Change is from the outlook's 260.9 c/L for today. Over the last 55 days, 7-day estimates missed by 6.2 c/L on average; "no change" missed by 6.3 c/L.
How Mount Gambier compares
On Mon 9 Nov Mount Gambier's Premium Diesel city average was 6.1 c/L below Adelaide's. It is 7.9 c/L below the South Australia average and 14.5 c/L below the Australia average of current station reports. Mount Gambier averaged 274.1 c/L in October, 6.9 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 | Premium Diesel average (c/L) |
|---|---|
| Mount GambierCity daily average, Mon 9 Nov | 261.1 |
| AdelaideCity daily average, Mon 9 Nov | 267.2 |
| South Australia382 current station reports | 269.0 |
| Australia4,116 current station reports | 275.6 |
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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Premium Diesel alerts for Mount Gambier
Mount Gambier's city average was 261.1 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
Premium Diesel price questions
What is the best day to buy Premium 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 Premium Diesel follow a regular petrol price cycle?
Premium 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 Premium 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.