What is the cheapest petrol in Merthyr Tydfil today?

The cheapest petrol in Merthyr Tydfil is 175.9p per litre at Asda ASDA MERTHYR TYDFIL SUPERSTORE, based on 3 stations with live prices. Unleaded (E10) averages 176.6p per litre.

What is the cheapest diesel in Merthyr Tydfil today?

The cheapest diesel in Merthyr Tydfil is 199.9p per litre at Asda ASDA MERTHYR TYDFIL SUPERSTORE, based on 3 stations with live prices. Diesel averages 202.2p per litre.

Are supermarket petrol stations cheaper in Merthyr Tydfil?

Yes. Supermarket forecourts in Merthyr Tydfil currently average 175.9p per litre for unleaded, 1.0p less than the 176.9p average at branded and independent stations.

Merthyr Tydfil Fuel Prices

Find the cheapest petrol and diesel in Merthyr Tydfil. Compare live prices from local fuel stations, updated hourly from the official Fuel Finder feed.

Fuel price answer

cheapest petrol and diesel in Merthyr Tydfil

As of 2 October 2026, the cheapest unleaded petrol in Merthyr Tydfil is 175.9p/L at Asda ASDA MERTHYR TYDFIL SUPERSTORE, the cheapest diesel in Merthyr Tydfil is 199.9p/L at Asda ASDA MERTHYR TYDFIL SUPERSTORE. Across 3 stations, unleaded averages 176.6p/L and diesel 202.2p/L. Supermarket forecourts in Merthyr Tydfil average 1.0p/L less than branded stations for unleaded.

Unleaded (E10)

175.9p cheapest

Avg 176.6pHigh 176.9pSpread 1.0p3 priced

Diesel

199.9p cheapest

Avg 202.2pHigh 203.9pSpread 4.0p3 priced

Cheapest Unleaded (E10) in Merthyr Tydfil

1. Asda — ASDA MERTHYR TYDFIL SUPERSTORE · MERTHYR TYDFIL175.9p
2. EG ON THE MOVE — EG MERTHYR TYDFIL PFS · MERTHYR TYDFIL176.9p
3. Esso — RONTEC DOWLAIS · MERTHYR TYDFIL176.9p

Cheapest Diesel in Merthyr Tydfil

1. Asda — ASDA MERTHYR TYDFIL SUPERSTORE · MERTHYR TYDFIL199.9p
2. EG ON THE MOVE — EG MERTHYR TYDFIL PFS · MERTHYR TYDFIL202.9p
3. Esso — RONTEC DOWLAIS · MERTHYR TYDFIL203.9p

Data freshness

Updated 28 Sept 2026, 16:15

Methodology

PetrolPal groups stations by country, region, and city from postcode-derived location data. Local pages are designed to help drivers compare nearby petrol and diesel prices before choosing where to fill up.

Citation

Source: PetrolPal, using official UK forecourt fuel price data. Cite: https://petrolpal.co.uk/fuel-prices/wales/merthyr-tydfil

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About Merthyr Tydfil Fuel Prices

PetrolPal tracks live fuel prices in Merthyr Tydfil using official UK Government data, updated hourly. Compare petrol and diesel prices from supermarkets, branded stations, and independents to find the cheapest fuel near you.

Prices in Merthyr Tydfil are based on stations in the Wales. View the Merthyr Tydfil statistics page for detailed price analytics including brand averages, price distribution, and historical trends.

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