Price trends
Unleaded 91 Price Trends Australia 2026
Analyse historical petrol price trends in Australia. View charts, track seasonal variations, and understand long-term fuel market movements.
90-day historyAll statesReported data
- Cheapest state
VIC
- Low avg
167.1 c/L
- Highest state
NT
- State spread
23.7 c/L
5.8¢ below National average
Cheapest state · VIC · Unleaded 91
Unleaded 91 is 23.7c/L cheaper in VIC than NT in the latest state averages. Where you fill up matters as much as when — open the map to see unleaded 91 prices near you.
Open the mapCheapest state · VIC
167.1¢
vs National average
Across 8 states and territories
172.9¢
-5.8¢
vs Dearest state · NT
23.7c spread top to bottom
190.8¢
-23.7¢
Cheapest cities
Cheapest unleaded 91 by capital city
Average unleaded 91 price across each capital, cheapest first. Open a city's state page for suburb-level prices and the local cycle.
State comparison
Unleaded 91 prices by state
Live average and low unleaded 91 price across each state and territory, cheapest first. Open a state page to browse cities and suburbs.
| Area | Average | Cheapest | Stations |
|---|---|---|---|
| Victoria | 163.2 c/L | 135.9 c/L | 1,623 |
| New South Wales | 168.0 c/L | 136.9 c/L | 1,966 |
| South Australia | 168.8 c/L | 150.7 c/L | 615 |
| Queensland | 169.7 c/L | 149.9 c/L | 1,549 |
| Australian Capital Territory | 172.4 c/L | 158.7 c/L | 68 |
| Western Australia | 173.9 c/L | 140.8 c/L | 864 |
| Tasmania | 178.0 c/L | 159.9 c/L | 261 |
| Northern Territory | 189.0 c/L | 164.5 c/L | 121 |
Fuel grades
All fuel types in Australia
Compare current average prices across petrol, diesel, premium and alternative fuel grades.
U91
Low 135.9 c/L · 7,067 stations
E10
Low 135.9 c/L · 2,928 stations
DSL
Low 151.8 c/L · 4,474 stations
PDSL
Low 155.9 c/L · 4,305 stations
P95
Low 145.9 c/L · 4,353 stations
P98
Low 153.9 c/L · 6,110 stations
LPG
Low 84.9 c/L · 994 stations
E85
Low 189.9 c/L · 126 stations
OPAL
Low 185.9 c/L · 2 stations
Liquefied natural gas
Low 100.9 c/L · 1 stations
B20
Low 279.9 c/L · 1 stations
EV
Low 45 c/L · 1 stations
Price cycles
When to buy in each city
Retail fuel prices follow repeating weekly or fortnightly cycles in most capitals. Use these patterns to time your fill-up.
Sydney
Weekly cycle, best to buy Thursday-Friday
Melbourne
Fortnightly cycle, monitor for low points
Brisbane
Weekly cycle, cheapest Tuesday-Wednesday
Perth
Weekly cycle, buy early in the week
Adelaide
Fortnightly cycle, variable patterns
Unleaded 91 snapshot
When and where to fill up on unleaded 91 in Australia
Where it is cheapest
Unleaded 91 currently averages 172.9c/L across Australia, but the spread is wide: it is cheapest in VIC (167.1c) and dearest in NT (190.8c) — a 23.7c/L gap top to bottom.
Cheapest capitals
Among the capitals, the lowest unleaded 91 averages in this dataset are in Melbourne (159.1 c/L), Sydney (160.5 c/L) and Adelaide (161.2 c/L). City averages move with the local price cycle, so check the cycle before a big fill-up.
Find it near you
State and city averages show the broader trend, but prices vary sharply between suburbs and stations. Use the map to compare current unleaded 91 prices at stations near you, then time your fill-up with the price cycle for the biggest saving.
Common questions
Unleaded 91 price trends FAQ
The trend combines recent average, low and high unleaded 91 prices so you can see whether the market is rising, falling or sitting near its usual range. Use it as timing context, then check the map for the station price you will actually pay.