Petrol Price History in Carmarthen
Track how petrol and diesel prices have changed at 7 stations in Carmarthen.
Price Trend
Price Analysis
Petrol (E10) prices in Carmarthen averaged 155.0p per litre in June 2026, up 0.4p from the previous period. The highest recorded price was 159.9p in April 2026.
Prices have been relatively stable in Carmarthen over this period.
Over this period, Petrol (E10) prices in Carmarthen ranged from 146.9p to 159.9p per litre — a spread of 13.0p. This significant variation means it pays to compare prices between stations.