The cheapest petrol in Machynlleth is 169.9p per litre at MALLWYD SERVICE STATION. 2 stations with a Unleaded E10 price, updated hourly (data as of 2026-09-20).
169.9p MALLWYD SERVICE STATION, MALLWYD SERVICE STATION, SY20 9HN
171.9p TEXACO, ASCONA MACHYNLLETH SERVICE STATION, SY20 8BH