State fuel prices
Unleaded 91 from 143.7c/L in South Australia 2026
South Australia average
Unleaded 91 in South Australia from 143.7c/L, averaging 163.8c/L across 620 stations. Cheapest right now in Willaston (147.9c/L avg).
FILL UP
South Australia averages 163.8 c/L for Unleaded 91 right now.
Adelaide is near its cycle trough. Filling now saves about $1.56 on a 60L tank vs. the next forecast peak.
Fuel grades
South Australia by fuel type
Compare grades across South Australia, then open the one your vehicle uses.
Unleaded 91
Low 143.7 c/L · 620 stations
Diesel
Low 175.5 c/L · 376 stations
Ethanol 10
Low 143.5 c/L · 48 stations
Premium 95
Low 160.5 c/L · 350 stations
Premium 98
Low 165.5 c/L · 538 stations
Premium Diesel
Low 172.5 c/L · 369 stations
Major cities
Unleaded 91 in major South Australia cities
Open a city page for cheaper suburbs, brands and station prices in South Australia.
Cheapest suburbs
Cheapest Unleaded 91 suburbs in South Australia
The local areas pulling the U91 average down — cheapest first, delta vs the South Australia average.
- WiWillastonCheapest
147.9c
-15.9vs state - ElElizabeth West
148.3c
-15.5vs state - MuMunno Para West
148.4c
-15.4vs state - AnAngle Vale
148.6c
-15.2vs state - KiKilburn North
148.7c
-15.1vs state - OaOakden
149.1c
-14.7vs state - YaYattalunga
149.1c
-14.7vs state - WiWindsor Gardens
149.3c
-14.5vs state - PoPort Adelaide
149.4c
-14.4vs state - NoNorthgate
149.4c
-14.4vs state - HiHillbank
149.6c
-14.2vs state - UnUnderdale
149.7c
-14.1vs state
Brand averages
Unleaded 91 brand averages in South Australia
Brand averages help, but the suburb and station pages show whether a retailer is competitive where you drive.
U-Go
Low 145.9 c/L · 5 stations · 0.7% share
SOLO
Low 147.5 c/L · 10 stations · 1.4% share
X Convenience
Low 146.9 c/L · 45 stations · 6.4% share
United
Low 147.5 c/L · 32 stations · 4.6% share
On The Run (OTR)
Low 149.9 c/L · 155 stations · 22.1% share
AM/PM
Low 146.9 c/L · 18 stations · 2.6% share
Caltex
Low 149.9 c/L · 27 stations · 3.9% share
EG
Low 147.9 c/L · 28 stations · 4% share
Reddy Express
Low 149.9 c/L · 16 stations · 2.3% share
90-day price trend
Unleaded 91 · South Australia
Source: Unleaded 91 reported pump prices, last 90 days.
Timing · Trough phase
Should you fill up in South Australia?
Fill up today — cycle is near the bottom
Check where your city sits in the price cycle before you fill up.
See the live price cyclePrice stability
How South Australia fuel prices move
Statewide price volatility and which fuel grades are most widely available.
Price stability
Price spread
Variation
| Fuel grade | Stations selling it |
|---|---|
| U91 | 622 |
| P98 | 540 |
| DSL | 378 |
| PDSL | 371 |
| P95 | 355 |
| LPG | 136 |
| E10 | 48 |
| E85 | 10 |
State benchmark
South Australia fuel at a glance
- U91 state average
- 163.8 c/L
- Cheapest tracked now
- 143.7 c/L
- Cheapest major city
- Adelaide · 151.9 c/L
- Cheapest suburb
- Willaston · 147.9 c/L
- Wholesale (TGP)
- 154.1 c/L
- Stations tracked
- 620 · 233 suburbs
Frequently asked
South Australia fuel questions
The cheapest Unleaded 91 in South Australia today is 143.7c/L, with the state averaging 163.8c/L across 620 stations. Prices update every 15 minutes from official government data.
South Australia snapshot
Live Unleaded 91 prices in South Australia
Where Unleaded 91 is cheapest in South Australia
Willaston 5118 is currently one of the cheaper tracked suburbs for Unleaded 91 at 147.9 c/L, while Adelaide is the lowest-priced major city at 151.9 c/L.
Plan and explore
Forecast tools, South Australia cities and other states
Pair the South Australia price view with the AI predictor and timing tools, open a city for suburb-level detail, or jump to another state.
FuelRadar app
Keep South Australia fuel prices in your pocket
Track South Australia prices, watch the cycle and get an alert before the next jump — from your phone.
