Petrol and Diesel Prices in Merthyr Tydfil
Compare petrol and diesel prices at 3 petrol stations in Merthyr Tydfil, GLAMORGAN. Prices last updated 12:12 27/03/2026.
Petrol (E10)
149.7p
at ASDA MERTHYR TYDFIL SUPERSTORE
Diesel (B7)
173.7p
at ASDA MERTHYR TYDFIL SUPERSTORE
Super Unleaded (E5)
172.9p
at EG MERTHYR TYDFIL PFS
Premium Diesel
202.9p
at RONTEC DOWLAIS
Unleaded (E10)
152.0p avg
1.7p above UK average (150.3p)
Diesel
180.0p avg
1.6p above UK average (178.4p)
Price History in Merthyr Tydfil
See how fuel prices have changed over time with interactive charts and analysis.
Click any column header to sort. Prices shown in pence per litre.
Merthyr Tydfil (GLAMORGAN) currently has 3 petrol stations tracked by Fuel Costs UK. The average unleaded petrol price in Merthyr Tydfil today is 152.0p per litre, which is 1.7p above the UK national average of 150.3p.
The cheapest unleaded petrol in Merthyr Tydfil right now is 149.7p at ASDA MERTHYR TYDFIL SUPERSTORE. The cheapest diesel is 173.7p at ASDA MERTHYR TYDFIL SUPERSTORE.
Fuel prices in Merthyr Tydfil are sourced from the UK Government's CMA Fuel Finder scheme and updated every 4 minutes. We recommend comparing prices before filling up, as prices can vary significantly between stations even within the same town.