Suburb fuel prices
Cheap Diesel in Lock South Australia 5633
13.7c above the South Australia average — Lock is 21.4c/L under its 30-day average right now — near the bottom of the cycle.
Prices as of 28 min ago AEST · sourced from SA Fuel Pricing Information Scheme
WAIT
Diesel in Lock is dearer than the South Australia average
Lock sits 13.7c above the South Australia average. Lock is 21.4c/L under its 30-day average right now — near the bottom of the cycle.
How it compares
- South Australia state avg193.2c/L+13.7c/L
- National avg191.1c/L+15.8c/L
- Wholesale (TGP)170.9c/L+36c/L
Top stations
Cheapest Diesel stations in Lock
Sorted by current Diesel price. Tap a station for grades, directions and price age.
30-day spread · Diesel
Lock Diesel cycle
Lock is currently 21.4c/L below its 30-day average — a relatively good time to fill up.
30-day low
189.9c/L
Lowest point in the local spread
30-day average
211.3c/L
30-day high
225.9c/L
Today's average
189.9c/L
Cheapest Diesel right now
Source: Reported Diesel pump prices across Lock.
7-day outlook
Lock 7-day Diesel outlook
Lock prices follow the Adelaide cycle, so this outlook takes the Adelaide Diesel 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 falling phase of its current cycle.
Lock today (est.)
190.0c/L
Adelaide 179.5c/L · +10.5c/L local
Predicted in 7 days
217.5c/L
7-day range
187.6 – 218.6c/L
Nearby suburbs
Suburbs near Lock
How Lock compares to neighbouring areas — cheapest first, delta vs the Lock average.
- LoLockYou
206.9c
0.0vs Lock - BoBoonerdo
206.9c
0.0vs Lock - UlUlyerra
206.9c
0.0vs Lock
At a glance
Lock fuel prices at a glance
- Cheapest Diesel
- 189.9 c/L
- Suburb average
- 206.9 c/L
- Price range
- 34.0c spread
- Stations tracked
- 2
- Brands
- 2
- Postcode
- 5633
- Last updated
- 25 June 2026, 3:37 am AEST
Explore the area
Browse fuel prices around Lock
Step up to the city and state, compare neighbouring suburbs, or open the live Diesel map.
Lock snapshot
Live Diesel prices in Lock
How it compares
Lock is currently 13.7c above the South Australia state average of 193.2c. Open the live fuel map to see how individual stations spread within Lock.
Compare neighbouring suburbs
Cheaper fuel may be nearby — compare Boonerdo (from 189.9c) or Ulyerra (from 189.9c) before planning a fill-up.
Brands operating here
2 fuel brands operate stations in Lock, including Independent and Perrys. 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 Diesel in Lock is currently at Perrys Lock for 189.9 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.
