Suburb fuel prices
Cheap Unleaded 91 in Lock South Australia 5633
25.9c above the South Australia average — Prices here track the Adelaide cycle — check the 7-day outlook below before you decide.
Prices as of 3 min ago AEST · sourced from SA Fuel Pricing Information Scheme
WAIT
U91 in Lock is dearer than the South Australia average
Lock sits 25.9c above the South Australia average. Prices here track the Adelaide cycle — check the 7-day outlook below before you decide.
How it compares
- South Australia state avg163c/L+25.9c/L
- National avg165.5c/L+23.4c/L
- Wholesale (TGP)154.1c/L+34.8c/L
Top stations
Cheapest U91 stations in Lock
Sorted by current U91 price. Tap a station for grades, directions and price age.
7-day outlook
Lock 7-day U91 outlook
Lock prices follow the Adelaide cycle, so this outlook takes the Adelaide U91 forecast and adjusts it to Lock's own price level using 90 days of local history. You can see the Adelaide benchmark alongside the local estimate below.
Adelaide is in the stable phase of its current cycle.
Lock today (est.)
190.0c/L
Adelaide 151.7c/L · +38.3c/L local
Predicted in 7 days
195.1c/L
7-day range
183.5 – 200.6c/L
Nearby suburbs
Suburbs near Lock
How Lock compares to neighbouring areas — cheapest first, delta vs the Lock average.
- LoLockYou
188.9c
0.0vs Lock - BoBoonerdo
188.9c
0.0vs Lock - UlUlyerra
188.9c
0.0vs Lock
At a glance
Lock fuel prices at a glance
- Cheapest U91
- 188.9 c/L
- Suburb average
- 188.9 c/L
- Station tracked
- 1
- Brand
- 1
- Postcode
- 5633
- Last updated
- 25 June 2026, 5:07 am AEST
Explore the area
Browse fuel prices around Lock
Step up to the city and state, compare neighbouring suburbs, or open the live U91 map.
Lock snapshot
Live U91 prices in Lock
How it compares
Lock is currently 25.9c above the South Australia state average of 163.0c. Open the live fuel map to see how individual stations spread within Lock.
Compare neighbouring suburbs
Cheaper fuel may be nearby — compare Boonerdo (from 188.9c) or Ulyerra (from 188.9c) before planning a fill-up.
Brands operating here
1 fuel brand operate stations in Lock, including Independent. Brand loyalty programs and discount apps can shift the cheapest pump by 4–6c/L on any given day.
Frequently asked
Lock fuel questions
The cheapest Unleaded 91 in Lock is currently at Lock Deli for 188.9 c/L.
FuelRadar app
Keep Lock fuel prices in your pocket
Track Lock prices, watch the local cycle and get an alert before the next jump — from your phone.
