Petrol (E10) prices in Merthyr Tydfil averaged 150.1p per litre in March 2026, up 11.3p from the previous period. The highest recorded price was 153.9p in March 2026.

Prices have been trending upward in Merthyr Tydfil recently. Drivers may want to shop around and compare prices between stations to find the best deal.

Over this period, Petrol (E10) prices in Merthyr Tydfil ranged from 134.0p to 153.9p per litre — a spread of 19.9p. This significant variation means it pays to compare prices between stations.