What is the cheapest petrol price in Williams today?

The cheapest unleaded petrol in Williams is currently 173.90c per litre. Prices range from 173.90c to 177.90c across 3 stations we monitor in the area.

When is the best day to buy petrol in Williams?

In WA, petrol prices typically follow a weekly cycle. The best time to fill up is usually early in the week (Monday to Wednesday) when prices are at their lowest. Avoid filling up on Thursday or Friday when prices tend to peak.

How often are fuel prices updated in Williams?

Petrolmate updates Williams fuel prices in real-time using official government APIs and community data. Prices are refreshed multiple times throughout the day to ensure accuracy.

Is E10 cheaper than regular unleaded in Williams?

Yes, E10 is typically 3-5 cents per litre cheaper than regular unleaded (ULP) in Williams. E10 contains 10% ethanol and is suitable for most vehicles made after 2005. Check your vehicle manual for compatibility.

Find Cheap Petrol in Williams, Western Australia

Compare fuel prices from 3+ stations in Williams. Average: 175.9c/L

Last updated: 11:36 AM, 30 Jan 2026

Open Map View

175.9c

Average Price (ULP)

173.9c

Cheapest Price

Petrol Stations

4.0c

Price Range

Williams Fuel Prices Today

Petrol prices in Williams currently range from 173.9c to 177.9c per litre for unleaded fuel, with motorists paying an average of 175.9c/L. We're tracking live prices from 3 service stations, which means you could save up to $2.00 on a 50L tank simply by choosing the right station. View all Western Australia prices for broader comparisons.

Fuel Types Available

Compare all fuel types in Williams: Unleaded (ULP) from 173.9c/L, Premium 95 from 193.9c/L, Premium 98 from 193.9c/L. Each fuel type page shows the cheapest stations in the area, helping you find the best deal whether you need regular unleaded, premium fuel, or diesel.

Best Time to Fill Up

Perth's fuel market follows a predictable weekly cycle with swings of 20-30c per litre. Watch for the price drop (often Tuesdays) and fill up then rather than waiting for prices to climb again. Check our Best Time to Fill Up guide for detailed advice.

Data Sources

Prices for Williams are sourced from WA FuelWatch and community-verified reports, updating continuously throughout the day. Compare prices by brand or view our full station directory for more options.

Petrol Price Trends in Williams

30-Day Price History

Average (30d) 175.9c

Lowest 175.2c

Highest 176.6c

Volatility Low

Average (30d) 192.9c

Lowest 189.9c

Highest 193.9c

Volatility Low

Average (30d) 197.5c

Lowest 196.9c

Highest 198.2c

Volatility Low

Price Cycle in WA

Perth follows a distinct weekly cycle. Prices usually peak on Thursday and bottom out on Monday.

Mon

Best

Tue

Wed

Thu

Avoid

Fri

Sat

Sun

Monday is your friend in Perth. Fill up at the start of the week for the best prices.

PetrolSMART. Smart Fuel Insights

Prices Holding Steady

Prices are pretty stable at the moment. Fill up whenever suits you best.

76% Forecast Accuracy

Our price predictions are reliable, verified across 2.9M forecasts using proper scoring methods.

Cheapest Day: Monday

Historically, Monday tends to have the best prices around here. Worth keeping in mind for your next fill.

Good Time to Fill Up

Based on current prices and trends, 16 of 22 local servos are showing good value right now.

Best Day: Monday

Lowest prices on Monday in Williams.

PetrolSMART Price Intelligence

PetrolSMART Market Sentiment

29%

21%

Fill Now

Good Value

Fair

Wait

Check

29% of stations in Williams are showing great value right now

7-Day Price Forecast

+0.0c

average expected change

forecasting
drop

stable

forecasting
rise

Prices Expected to Hold Steady

Prices across Williams are expected to remain relatively stable over the next week. Fill up when convenient.

Best Day to Fill Up

Monday

Based on historical price patterns in Williams, Monday tends to offer the best prices. Start of the week often brings lower prices as stations compete for customers.

Cheapest Petrol Prices in Williams Right Now

Unleaded Petrol

Rank	Station	Brand	Suburb	Price	Updated
	Burk Williams	Burk	Williams	173.9c	Today, 12:00am
	Burk Williams	Burk	Williams	173.9c	Today, 11:36am
	BP Williams	BP	Williams	175.9c	Today, 12:00am
4	BP Williams	BP	Williams	175.9c	Today, 11:36am
5	Ampol Williams	Ampol	Williams	177.9c	Today, 12:00am

Diesel

Rank	Station	Brand	Suburb	Price	Updated
	Burk Williams	Burk	Williams	173.9c	Today, 12:00am
	Burk Williams	Burk	Williams	173.9c	Today, 11:36am
	BP Williams	BP	Williams	173.9c	Today, 11:36am
4	BP Williams	BP	Williams	173.9c	Today, 12:00am
5	Ampol Williams	Ampol	Williams	174.9c	Today, 11:36am

Premium Unleaded 95

Rank	Station	Brand	Suburb	Price	Updated
	Ampol Williams	Ampol	Williams	193.9c	Today, 12:00am
	Ampol Williams	Ampol	Williams	193.9c	Today, 11:36am

Premium Unleaded 98

Rank	Station	Brand	Suburb	Price	Updated
	Burk Williams	Burk	Williams	193.9c	Today, 12:00am
	Burk Williams	Burk	Williams	193.9c	Today, 11:36am
	BP Williams	BP	Williams	195.9c	Today, 12:00am
4	BP Williams	BP	Williams	195.9c	Today, 11:36am
5	Ampol Williams	Ampol	Williams	202.9c	Today, 12:00am

Premium Diesel

Rank	Station	Brand	Suburb	Price	Updated
	Ampol Williams	Ampol	Williams	177.9c	Today, 11:36am

● Cheapest Suburbs for Petrol in Williams

Find the best value by suburb - average unleaded petrol prices:

Suburb	Stations	Average Price	Cheapest Price
Williams	3 stations	175.9c	173.9c

✓ Cheapest Petrol Stations in Williams

Save money at these stations with the lowest ULP prices. Prices shown for all available fuel types:

Station	Address	Brand	ULP	E10	Diesel	P95	P98	Updated
Burk Williams	24 Albany Hwy	Burk	173.9c	-	173.9c	-	193.9c	Today, 11:36am
BP Williams	16 Albany Highway	BP	175.9c	-	173.9c	-	195.9c	Today, 11:36am
Ampol Williams	56 Albany Hwy	Ampol	177.9c	-	174.9c	193.9c	202.9c	Today, 11:36am

⚠ Most Expensive Petrol Stations in Williams

Avoid overpaying - these stations have the highest ULP prices:

Station	Address	Brand	ULP	E10	Diesel	P95	P98	Updated
Ampol Williams	56 Albany Hwy	Ampol	177.9c	-	174.9c	193.9c	202.9c	Today, 11:36am
BP Williams	16 Albany Highway	BP	175.9c	-	173.9c	-	195.9c	Today, 11:36am
Burk Williams	24 Albany Hwy	Burk	173.9c	-	173.9c	-	193.9c	Today, 11:36am

Savings Tip: Price difference between cheapest (173.9c/L) and most expensive (177.9c/L): 4.0c per litre. On a 50L tank, choosing the cheapest station saves you $2.00!

▸ Nearby Areas in WA

Compare fuel prices in these nearby locations:

▸ View Interactive Map & Live Prices for Williams →

Other Suburbs in Western Australia

Geraldton Albany Canning Vale Busselton Maddington Malaga Armadale Broome Ellenbrook Kalgoorlie Karratha Kununurra Mandurah Morley Baldivis

About Petrol Prices in Williams

Williams has 3 petrol stations. Right now, ULP (unleaded petrol) prices in Williams range from 173.9c/L to 177.9c/L (a difference of 4.0c/L).

Real-time data updated continuously from official government sources and community reports. We track live prices from major fuel brands including Ampol, Shell, BP, 7-Eleven, Coles Express, and independent service stations. The current average price is 175.9c/L (last updated: 11:36 AM, 30 Jan 2026).

How to Save Money on Fuel in Williams

Compare before you fill: Use Petrolmate to find the cheapest stations - right now you can save up to 4.0c per litre in Williams
Time it right: In Perth, prices follow a weekly cycle - monitor for price drops and fill up then
Shop around suburbs: Prices can vary significantly between different areas
Consider alternative fuels: E10 is often cheaper than regular unleaded - check if your vehicle supports it
Use fuel discounts: Supermarket fuel vouchers (Woolworths, Coles) and BP rewards can save 4c or more per litre

🌏 Compare Petrol Prices in Other Cities

Find cheap fuel prices in other major cities across Australia and New Zealand:

Sydney, NSW Melbourne, VIC Brisbane, QLD Perth, WA Adelaide, SA Hobart, TAS Darwin, NT Canberra, ACT Auckland, NZ Wellington, NZ Christchurch, NZ