Suburb fuel prices
Cheap Premium Diesel in Boulder Western Australia 6432
5.5c above the Western Australia average — Prices here track the Perth cycle — check the 7-day outlook below before you decide.
Prices as of 3 hr ago AEST · sourced from FuelWatch
WAIT
P. Diesel in Boulder is dearer than the Western Australia average
Boulder sits 5.5c above the Western Australia average. Prices here track the Perth cycle — check the 7-day outlook below before you decide.
How it compares
- Western Australia state avg183.2c/L+5.5c/L
- National avg185.8c/L+2.9c/L
- Wholesale (TGP)170.9c/L+17.8c/L
Nearby stations
Cheapest P. Diesel stations around Boulder
No stations found directly in Boulder. Showing current P. Diesel prices in surrounding areas.

Ampol Foodary Kalgoorlie
Cheapest4.1 km away · 581 Hannan St
185.9 c/L
Tomorrow 185.9 c/LNo change
-2.8 vs avg

Ampol Foodary Kalgoorlie South
3.4 km away · 146 Boulder Rd
185.9 c/L
Tomorrow 185.9 c/LNo change
-2.8 vs avg

Caltex Kalgoorlie
4.1 km away · 77 Egan St
189.9 c/L
Tomorrow 189.9 c/LNo change
+1.2 vs avg

Caltex Piccadilly
5.3 km away · 7 Maritana St
189.9 c/L
Tomorrow 189.9 c/LNo change
+1.2 vs avg

Ampol Kalgoorlie Diesel Stop
5.4 km away · 2 Cunningham Rd
191.9 c/L
Tomorrow 191.9 c/LNo change
+3.2 vs avg
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.
Ampol Foodary Kalgoorlie
581 Hannan St
PDSL
185.9 c/L
185.9 c/L
No changeAmpol Foodary Kalgoorlie South
146 Boulder Rd
PDSL
185.9 c/L
185.9 c/L
No changeCaltex Kalgoorlie
77 Egan St
PDSL
189.9 c/L
189.9 c/L
No changeCaltex Piccadilly
7 Maritana St
PDSL
189.9 c/L
189.9 c/L
No changeAmpol Kalgoorlie Diesel Stop
2 Cunningham Rd
PDSL
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.
7-day outlook
Boulder 7-day P. Diesel outlook
Boulder prices follow the Perth cycle, so this outlook takes the Perth P. 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.
Perth today
183.3c/L
Predicted in 7 days
177.8c/L
7-day range
175.6 – 184.8c/L
All fuel types
Fuel prices in Boulder by type
Low, average and high for each fuel type from the 5 stations tracked here.
| Fuel | Low | Avg | High | Stations | Cheapest at |
|---|---|---|---|---|---|
| U91 | 161.9c | 163.4c | 165.9c | 4 | Ampol Foodary Kalgoorlie South |
| P95 | 178.9c | 179.2c | 179.9c | 3 | Ampol Foodary Kalgoorlie South |
| PDSL | 185.9c | 188.7c | 191.9c | 5 | Ampol Foodary Kalgoorlie South |
| P98 | 188.9c | 189.2c | 189.9c | 3 | Ampol Foodary Kalgoorlie South |
Nearby suburbs
Suburbs near Boulder
How Boulder compares to neighbouring areas — cheapest first, delta vs the Boulder average.
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 P. Diesel
- 185.9 c/L
- Suburb average
- 188.7 c/L
- Price range
- 6.0c spread
- Stations tracked
- 5
- Brands
- 2
- 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 P. Diesel map.
Boulder snapshot
Live P. Diesel prices in Boulder
Today's prices
In Boulder, Western Australia, the cheapest U91 today is 161.9c with an area average of 163.4c across 4 listed stations. Other fuels tracked in this suburb include P95 from 178.9c, PDSL from 185.9c and P98 from 188.9c.
Tomorrow's FuelWatch prices
FuelWatch WA has published tomorrow's prices for 5 station-grade listings around Boulder. Ampol Foodary Kalgoorlie is the cheapest tomorrow at 185.9c for PDSL (0.0c vs today).
How it compares
Boulder is currently 5.5c above the Western Australia state average of 183.2c. Open the live fuel map to see how individual stations spread within Boulder.
Compare neighbouring suburbs
Cheaper fuel may be nearby — compare Fimiston, South Boulder, Victory Heights, Broadwood (from 185.9c) or Mullingar (from 185.9c) before planning a fill-up.
Frequently asked
Boulder fuel questions
The cheapest Premium Diesel in Boulder is currently at Ampol Foodary Kalgoorlie South for 185.9 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.


