Live prices
Cheapest petrol and diesel prices in Machynlleth
2 forecourts tracked in Machynlleth (2 reporting unleaded (E10), 2 reporting diesel (B7), 1 reporting premium (E5), 1 reporting super diesel). Prices last refreshed at 5:33pm on 4 November 2026.
The cheapest reported unleaded petrol (E10) in Machynlleth is £7.81 a gallon (171.7p per litre) at Texaco, Heol Y Doll, Machynlleth, Machynlleth, Powys. The average across 2 forecourts currently reporting this grade is £7.83 a gallon (172.3p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £0.30 on a 50-litre fill. That local average is 1.3p per litre above the UK average of 171.0p.
The average is unchanged since yesterday. The average has fallen 0.1p per litre since last week.
Prices last refreshed at 5:33pm on 4 November 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
At 171.7p per litre, the cheapest unleaded in Machynlleth is the lowest we have recorded here in 4 weeks. The Machynlleth average has held steady over the past week.
Unleaded Prices
Unleaded (E10)
- Highest
- £7.86/gal172.9p/L
- Average
- £7.83/gal172.3p/L
- Lowest
- £7.81/gal171.7p/L
Diesel Prices
Diesel (B7)
- Highest
- £9.00/gal197.9p/L
- Average
- £8.99/gal197.8p/L
- Lowest
- £8.99/gal197.7p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £9.09/gal199.9p/L
- Average
- £9.09/gal199.9p/L
- Lowest
- £9.09/gal199.9p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £10.00/gal219.9p/L
- Average
- £10.00/gal219.9p/L
- Lowest
- £10.00/gal219.9p/L
All forecourts in Machynlleth
2 forecourts in Machynlleth, with live prices and full addresses. Showing 1 to 2.
Heol Y Doll, Machynlleth, Machynlleth, Powys · SY20 8BH
DirectionsDiesel B7
Premium E5
Super Diesel
Mallwyd Service Station, Mallwyd, Machynlleth, SY20 9HN, Machynlleth · SY20 9HN
DirectionsDiesel B7
Search near Machynlleth
Ask the fuel analyst
Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
Texaco
Heol Y Doll, Machynlleth, Machynlleth, Powys
171.7p/L
Cheapest reported diesel
Texaco
Heol Y Doll, Machynlleth, Machynlleth, Powys
197.7p/L
By fuel grade in Machynlleth
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Prices are sourced from official UK government fuel-price data (Open Government Licence v3.0). Updated every 30 minutes.
Questions about fuel prices in Machynlleth
- What is the average petrol price in Machynlleth?
- The average unleaded (E10) petrol price in Machynlleth is currently 172.3p per litre (approx. £7.83/gal), based on live data from 2 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.
- What is the average diesel price in Machynlleth?
- The average diesel (B7) price in Machynlleth is currently 197.8p per litre (approx. £8.99/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in Machynlleth?
- Texaco at Heol Y Doll, Machynlleth, Machynlleth, Powys currently has the cheapest reported unleaded petrol in Machynlleth at 171.7p per litre (approx. £7.81/gal). Prices change regularly, so check this page for the latest.
- Which is the most expensive petrol station in Machynlleth?
- According to official UK government fuel price data, Mallwyd Service Station (SY20 9HN) currently has the highest reported unleaded (E10) price in Machynlleth at 172.9p per litre (approx. £7.86/gal). Prices are refreshed every 30 minutes, so this can change through the day.
- How do I find the cheapest fuel near Machynlleth?
- Use the search box above to enter your postcode. fuel.co.uk will show you every forecourt ranked cheapest first, with live prices updated every 30 minutes from the GOV.UK Fuel Finder.