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Diesel in Boulder is cheaper than the Western Australia average
Boulder sits 6.4c below the Western Australia average. Boulder is 13.6c/L under its 30-day average right now — near the bottom of the cycle.
How it compares
- Western Australia state avg194.3c/L-6.4c/L
- National avg191.1c/L-3.2c/L
- Wholesale (TGP)170.9c/L+17c/L
Nearby stations
Cheapest Diesel stations around Boulder
No stations found directly in Boulder. Showing current Diesel prices in surrounding areas.

Fuel & Fly Kalgoorlie
Cheapest4.2 km away · 104 Brookman St
184.5 c/L
Tomorrow 184.5 c/LNo change
-3.4 vs avg

Astron Boulder Kalgoorlie
0.4 km away · 26 Davis St
184.9 c/L
Tomorrow 184.9 c/LNo change
-3.0 vs avg

Liberty Kalgoorlie
3.5 km away · 69-71 Wilson St
185.5 c/L
Tomorrow 185.5 c/LNo change
-2.4 vs avg

Shell Reddy Express Boulder
1.7 km away · 35 Frank St
186.9 c/L
Tomorrow 186.9 c/LNo change
-1.0 vs avg

BP Kalgoorlie-Boulder Truckstop
2.7 km away · 248 Celebration Rd
189.9 c/L
Tomorrow 189.9 c/LNo change
+2.0 vs avg

Eagle Boulder
1.7 km away · 17 Pirie St
189.9 c/L
Tomorrow 189.9 c/LNo change
+2.0 vs avg
Showing 6 of 8 stations.
FuelWatch WA
Today and tomorrow fuel prices in Boulder
Official WA next-day prices are published from 2:30pm and apply from 6am tomorrow. Use the tabs to compare today against the locked tomorrow price.
Fuel & Fly Kalgoorlie
104 Brookman St
DSL
184.5 c/L
184.5 c/L
No changeAstron Boulder Kalgoorlie
26 Davis St
DSL
184.9 c/L
184.9 c/L
No changeLiberty Kalgoorlie
69-71 Wilson St
DSL
185.5 c/L
185.5 c/L
No changeShell Reddy Express Boulder
35 Frank St
DSL
186.9 c/L
186.9 c/L
No changeBP Kalgoorlie-Boulder Truckstop
248 Celebration Rd
DSL
189.9 c/L
189.9 c/L
No changeEagle Boulder
17 Pirie St
DSL
189.9 c/L
189.9 c/L
No changeEagle West Kalgoorlie Truckstop
2 Brinsden Rd
DSL
189.9 c/L
189.9 c/L
No changeBP Golden Gate
438 Hannan St
DSL
191.9 c/L
191.9 c/L
No change
Source: FuelWatch WA official next-day prices. Tomorrow prices apply from 6:00am in Western Australia.
30-day spread · Diesel
Boulder Diesel cycle
Boulder is currently 13.6c/L below its 30-day average — a relatively good time to fill up.
30-day low
184.9c/L
Lowest point in the local spread
30-day average
201.8c/L
30-day high
219.9c/L
Today's average
188.2c/L
Cheapest Diesel right now
- 1Fuel & Fly KalgoorlieAGL · 4.2 km away184.5 c/L
- 2Astron Boulder KalgoorlieAstron · 0.4 km away184.9 c/L
- 3Liberty KalgoorlieLiberty · 3.5 km away185.5 c/L
- 4Shell Reddy Express BoulderReddy · 1.7 km away186.9 c/L
- 5BP Kalgoorlie-Boulder TruckstopBP · 2.7 km away189.9 c/L
Source: Reported Diesel pump prices across Boulder.
7-day outlook
Boulder 7-day Diesel outlook
Boulder prices follow the Perth cycle, so this outlook takes the Perth Diesel forecast and adjusts it to Boulder's own price level using 90 days of local history. You can see the Perth benchmark alongside the local estimate below.
Perth is in the falling phase of its current cycle.
Boulder today (est.)
184.0c/L
Perth 175.4c/L · +8.6c/L local
Predicted in 7 days
178.7c/L
7-day range
176.3 – 185.6c/L
All fuel types
Fuel prices in Boulder by type
Low, average and high for each fuel type from the 8 stations tracked here.
| Fuel | Low | Avg | High | Stations | Cheapest at |
|---|---|---|---|---|---|
| U91 | 156.9c | 161.6c | 167.9c | 7 | Fuel & Fly Kalgoorlie |
| DSL | 184.5c | 187.9c | 191.9c | 8 | Fuel & Fly Kalgoorlie |
| P98 | 171.9c | 182.8c | 191.9c | 5 | Fuel & Fly Kalgoorlie |
Nearby suburbs
Suburbs near Boulder
How Boulder compares to neighbouring areas — cheapest first, delta vs the Boulder average.
- BrBroadwoodCheapest
187.7c
-0.2vs Boulder - MuMullingar
187.7c
-0.2vs Boulder - HaHannans
187.7c
-0.2vs Boulder - BiBinduli
187.7c
-0.2vs Boulder - KaKalgoorlie
187.7c
-0.2vs Boulder - LaLamington
187.7c
-0.2vs Boulder - KaKarlkurla
187.7c
-0.2vs Boulder - BoBoulderYou
187.9c
0.0vs Boulder - FiFimiston
188.2c
+0.3vs Boulder - SoSouth Boulder
188.2c
+0.3vs Boulder - ViVictory Heights
188.2c
+0.3vs Boulder
Local brands
Fuel brands in Boulder
Open brand pages for broader price context, loyalty discounts and nearby station coverage before choosing a servo.
At a glance
Boulder fuel prices at a glance
- Cheapest Diesel
- 184.5 c/L
- Suburb average
- 187.9 c/L
- Price range
- 7.4c spread
- Stations tracked
- 8
- Brands
- 5
- Postcode
- 6432
- Last updated
- 25 June 2026, 12:00 pm AEST
Explore the area
Browse fuel prices around Boulder
Step up to the city and state, compare neighbouring suburbs, or open the live Diesel map.
Boulder snapshot
Live Diesel prices in Boulder
Today's prices
In Boulder, Western Australia, the cheapest U91 today is 156.9c with an area average of 161.6c across 7 listed stations. Other fuels tracked in this suburb include DSL from 184.5c and P98 from 171.9c.
Tomorrow's FuelWatch prices
FuelWatch WA has published tomorrow's prices for 8 station-grade listings around Boulder. Fuel & Fly Kalgoorlie is the cheapest tomorrow at 184.5c for DSL (0.0c vs today).
How it compares
Boulder is currently 6.4c below the Western Australia state average of 194.3c. Open the live fuel map to see how individual stations spread within Boulder.
Compare neighbouring suburbs
Cheaper fuel may be nearby — compare Fimiston (from 184.9c), South Boulder (from 184.9c), Victory Heights (from 184.9c), Broadwood (from 184.5c) or Mullingar (from 184.5c) before planning a fill-up.
Frequently asked
Boulder fuel questions
The cheapest Diesel in Boulder is currently at Fuel & Fly Kalgoorlie for 184.5 c/L.
FuelRadar app
Keep Boulder fuel prices in your pocket
Track Boulder prices, watch the local cycle and get an alert before the next jump — from your phone.


