The cheapest diesel in Machynlleth is 195.9p per litre at MALLWYD SERVICE STATION. 2 stations with a Diesel price, updated hourly (data as of 2026-09-20).
195.9p MALLWYD SERVICE STATION, MALLWYD SERVICE STATION, SY20 9HN
197.9p TEXACO, ASCONA MACHYNLLETH SERVICE STATION, SY20 8BH