Compare live petrol and diesel prices at 2 petrol stations in MACHYNLLETH. Cheapest fuel near you, updated every 5 minutes.
8°C
Overcast
Avg Unleaded
157.9p
Avg Diesel
186.4p
Cheapest Unleaded
157.9p
Cheapest Diesel
184.9p
Other stations within 15 miles. Is the drive worth it?
SPAR EXPRESS DOLGELLAU
DOLGELLAU · LL40 2YF · 8.9 miles away
186.9p
diesel
Cwt Gwyn Cyf
DOLGELLAU · LL40 2AB · 8.1 miles away
153.9p
petrol
182.9p
diesel
A.D.Jones & Co
Y BALA · LL23 7UD · 11.1 miles away
163.9p
petrol
183.9p
diesel
Moduron Y Bala Ltd
BALA · LL23 7AE · 14.9 miles away
166.9p
petrol
179.9p
diesel
Fuel cost assumes 40 mpg round trip at the alternative station's price.
MACHYNLLETH has 2 petrol stationsreporting live prices through the UK government's mandatory fuel price transparency scheme. Average unleaded (E10) is currently 157.9p per litre, with diesel (B7) at 186.4p per litre. The cheapest unleaded right now is 157.9p at Mallwyd Service Station (SY20 9HN).
All 2 stations in MACHYNLLETHare branded retailers — there are no supermarket forecourts (Tesco, Asda, Morrisons, Sainsbury's, Costco) currently in our data for this area. For supermarket prices, the nearest option is Dolgellau (8.1 mi away).
Nearby towns with cheaper unleaded: Dolgellau (153.9p, 8.1 mi), Newtown (156.5p, 21.4 mi) and Welshpool (154.4p, 21.4 mi). A short detour can save up to £2.20on a 55-litre fill — though factor in fuel for the round trip.
Across all UK cities tracked by PetrolFinder, MACHYNLLETH unleaded is 0.3p below the national average of 158.2p — driven by the local mix of supermarket vs branded forecourts and competition between 2 fuel brands operating in the area. Use the route planner to find the cheapest stop on your journey, or browse the price heatmap to spot regional bargains.
The cheapest unleaded (E10) petrol in MACHYNLLETH is currently 157.9p per litre at Mallwyd Service Station (SY20 9HN). The average across 2 stations in MACHYNLLETH is 157.9p per litre. Prices update every 5 minutes from official UK government data.
The cheapest diesel in MACHYNLLETH is currently 184.9p per litre, with an average of 186.4p across 2 stations. That's 0.5p below the UK national diesel average of 186.9p.
MACHYNLLETH doesn't have any supermarket fuel forecourts in our data — all 2 stations are branded retailers. Try Dolgellau (8.1 mi away) for supermarket prices.
Dolgellau (153.9p, 8.1 mi), Newtown (156.5p, 21.4 mi) and Welshpool (154.4p, 21.4 mi) all have lower average unleaded prices than MACHYNLLETH's 157.9p. A short detour can save up to £2.20 on a 55-litre fill — factor in fuel for the round trip.
Prices for the 2 petrol stations in MACHYNLLETH are updated every 5 minutes using the UK Government Fuel Finder API under The Motor Fuel Price (Open Data) Regulations 2025. Retailers are legally required to report price changes within 30 minutes.