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Average Petrol Price in Merthyr Tydfil

Petrol (E10)171.7p
Diesel (B7S)196.2p

Today the average petrol price in Merthyr Tydfil is 171.65p per litre. 2.5p higher than the average price in Wales.

The current average price of diesel is 196.15p per litre. 5.1p above the Welsh diesel average.

We calculate the daily averages by analysing price data from the 4 petrol stations in Merthyr Tydfil that are sending price changes to the Fuel Finder system.

Cheapest Petrol in Merthyr Tydfil

The cheapest petrol in Merthyr Tydfil is in Merthyr Tydfil (171.2p per litre).

Currently, buying 60 litres of petrol in Merthyr Tydfil costs £0.00 less than in Merthyr Tydfil (171.2p per litre).

Average Fuel Prices by City/Town

Select a town or city to view local petrol station price data.

TOWN/CITY STATIONS PETROL DIESEL
Merthyr Tydfil3171.23p195.23p

Average petrol prices last updated at 13 Sep 2026 10:00 (20 hours, and 45 minutes ago).

Petrol & Diesel Price Trends

The average price of petrol in Merthyr Tydfil has increased by 3.3p in the last week. Diesel has risen by 5.3p.

In the last month, petrol has increased by 7.8p and diesel has risen by 10.8p.