Suburb fuel prices
Cheap Unleaded 91 in Duncan South Australia 5223
50.1c above the South Australia average — Duncan is 6.1c/L under its 30-day average right now — near the bottom of the cycle.
Prices as of 15 min ago AEST · sourced from SA Fuel Pricing Information Scheme
WAIT
U91 in Duncan is dearer than the South Australia average
Duncan sits 50.1c above the South Australia average. Duncan is 6.1c/L under its 30-day average right now — near the bottom of the cycle.
How it compares
- South Australia state avg163.9c/L+50.1c/L
- National avg165.9c/L+48.1c/L
- Wholesale (TGP)154.1c/L+59.9c/L
Top stations
Cheapest U91 stations in Duncan
Sorted by current U91 price. Tap a station for grades, directions and price age.
30-day spread · U91
Duncan U91 cycle
Duncan is currently 6.1c/L below its 30-day average — a relatively good time to fill up.
30-day low
195.9c/L
Lowest point in the local spread
30-day average
202.0c/L
30-day high
240.0c/L
Today's average
195.9c/L
Cheapest U91 right now
Source: Reported U91 pump prices across Duncan.
7-day outlook
Duncan 7-day U91 outlook
Duncan prices follow the Adelaide cycle, so this outlook takes the Adelaide U91 forecast and adjusts it to Duncan's own price level using 90 days of local history. You can see the Adelaide benchmark alongside the local estimate below.
1 day until the cycle trough — usually the cheapest day.
Duncan today (est.)
192.5c/L
Adelaide 151.7c/L · +40.8c/L local
Predicted in 7 days
204.5c/L
7-day range
187.6 – 211.8c/L
Nearby suburbs
Suburbs near Duncan
How Duncan compares to neighbouring areas — cheapest first, delta vs the Duncan average.
- DuDuncanYou
214.0c
0.0vs Duncan - PaParndana
214.0c
0.0vs Duncan - BrBrownlow
216.7c
+2.7vs Duncan - D'D'estrees Bay
216.7c
+2.7vs Duncan - CaCassini
216.7c
+2.7vs Duncan - CyCygnet River
216.7c
+2.7vs Duncan - DeDe Mole River
216.7c
+2.7vs Duncan - CaCape Borda
216.7c
+2.7vs Duncan - EmEmu Bay
216.7c
+2.7vs Duncan - FlFlinders Chase
216.7c
+2.7vs Duncan - BiBirchmore
216.7c
+2.7vs Duncan
At a glance
Duncan fuel prices at a glance
- Cheapest U91
- 214.0 c/L
- Suburb average
- 214.0 c/L
- Station tracked
- 1
- Brand
- 1
- Postcode
- 5223
- Last updated
- 24 June 2026, 6:07 am AEST
Explore the area
Browse fuel prices around Duncan
Step up to the city and state, compare neighbouring suburbs, or open the live U91 map.
Duncan snapshot
Live U91 prices in Duncan
How it compares
Duncan is currently 50.1c above the South Australia state average of 163.9c. Open the live fuel map to see how individual stations spread within Duncan.
Compare neighbouring suburbs
Cheaper fuel may be nearby — compare Parndana (from 214c), Brownlow (from 195.9c), D'estrees Bay (from 195.9c), Cassini (from 195.9c) or Cygnet River (from 195.9c) before planning a fill-up.
Brands operating here
1 fuel brand operate stations in Duncan, including Independent. Brand loyalty programs and discount apps can shift the cheapest pump by 4–6c/L on any given day.
Frequently asked
Duncan fuel questions
The cheapest Unleaded 91 in Duncan is currently at Davo's Deli for 214 c/L.
FuelRadar app
Keep Duncan fuel prices in your pocket
Track Duncan prices, watch the local cycle and get an alert before the next jump — from your phone.
