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Diesel in Prospect is cheaper than the New South Wales average
Prospect sits 8.0c below the New South Wales average. Prospect is 19.8c/L under its 30-day average right now — near the bottom of the cycle.
How it compares
- New South Wales state avg188.6c/L-8c/L
- National avg195.8c/L-15.2c/L
- Wholesale (TGP)170.9c/L+9.7c/L
Top stations
Cheapest Diesel stations in Prospect
Sorted by current Diesel price. Tap a station for grades, directions and price age.

Speedway Sunnyholt
Cheapest5.5 km away · 162 Sunnyholt Rd, Blacktown
175.5 c/L
-5.1 vs avg

Speedway Blacktown
2.5 km away · 90 Blacktown Road, Blacktown
185.7 c/L
+5.1 vs avg

Bravo Girraween
3.3 km away · 133-137 Targo, Girraween
166.5 c/L
-14.1 vs avg

Speedway Smithfield
6.1 km away · 26-28 Smithfield Road, SMITHFIELD
166.5 c/L
-14.1 vs avg

Speedway Wenty
5.2 km away · 55-57 STATION ST, WENTWORTHVILLE
166.5 c/L
-14.1 vs avg

Speedway Westmead
6.5 km away · 67-69 Hawkesbury Rd, Westmead
166.5 c/L
-14.1 vs avg
Showing 6 of 47 stations.
30-day spread · Diesel
Prospect Diesel cycle
Prospect is currently 19.8c/L below its 30-day average — a relatively good time to fill up.
30-day low
175.5c/L
Lowest point in the local spread
30-day average
195.3c/L
30-day high
213.7c/L
Today's average
175.5c/L
Cheapest Diesel right now
- 1Bravo GirraweenIndependent · 3.3 km away166.5 c/L1.0
- 2Speedway SmithfieldSpeedway · 6.1 km away166.5 c/L1.0
- 3Speedway WentySpeedway · 5.2 km away166.5 c/L1.0
- 4Speedway WestmeadSpeedway · 6.5 km away166.5 c/L1.0
- 5Budget Petroleum SmithfieldBudget · 5.9 km away166.9 c/L1.0
Source: Reported Diesel pump prices across Prospect.
7-day outlook
Prospect 7-day Diesel outlook
Prospect prices follow the Central Coast cycle, so this outlook takes the Central Coast Diesel forecast and adjusts it to Prospect's own price level using 90 days of local history. You can see the Central Coast benchmark alongside the local estimate below.
Central Coast is in the falling phase of its current cycle.
Prospect today (est.)
174.1c/L
Central Coast 187.8c/L · -13.7c/L local
Predicted in 7 days
168.5c/L
7-day range
166.1 – 173.8c/L
Nearby suburbs
Suburbs near Prospect
How Prospect compares to neighbouring areas — cheapest first, delta vs the Prospect average.
At a glance
Prospect fuel prices at a glance
- Cheapest Diesel
- 175.5 c/L
- Suburb average
- 180.6 c/L
- Price range
- 10.2c spread
- Stations tracked
- 2
- Brand
- 1
- Postcode
- 2148
- Last updated
- 23 June 2026, 11:41 pm AEST
Explore the area
Browse fuel prices around Prospect
Step up to the city and state, compare neighbouring suburbs, or open the live Diesel map.
Prospect snapshot
Live Diesel prices in Prospect
How it compares
Prospect is currently 8.0c below the New South Wales state average of 188.6c. Open the live fuel map to see how individual stations spread within Prospect.
Compare neighbouring suburbs
Cheaper fuel may be nearby — compare Toongabbie East, Toongabbie, Old Toongabbie, Blacktown (from 175.5c) or Kings Park (from 175.5c) before planning a fill-up.
Brands operating here
1 fuel brand operate stations in Prospect, including Speedway. Brand loyalty programs and discount apps can shift the cheapest pump by 4–6c/L on any given day.
Frequently asked
Prospect fuel questions
The cheapest Diesel in Prospect is currently at Bravo Girraween for 166.5 c/L.
FuelRadar app
Keep Prospect fuel prices in your pocket
Track Prospect prices, watch the local cycle and get an alert before the next jump — from your phone.


