Cheapest Petrol Prices in Merthyr Tydfil
Last updated: · 20 stations tracked
Cheapest Petrol (E10)
158.9p
per litre · avg 173.54p
Cheapest Diesel (B7)
175.9p
per litre · avg 198.39p
Compare live petrol and diesel prices across 20 fuel stations in Merthyr Tydfil. Prices are sourced from the UK Government's official fuel price database and updated every hour. The cheapest petrol in Merthyr Tydfil today is 158.9p per litre, available at RHYMNEY GARAGE.
Supermarket forecourts — including Tesco, Asda, and Sainsbury's — typically offer the lowest prices in Merthyr Tydfil. Motorway services and branded stations (BP, Shell, Esso) often charge a premium. Use the table below to find the best deal near you.
Fuel Station Prices in Merthyr Tydfil
| Station | Unleaded (E10) | Diesel (B7) | Super Unleaded | Premium Diesel |
|---|---|---|---|---|
| EG MERTHYR TYDFIL PFS | 177.9p | 202.9p | 197.9p | — |
| RONTEC DOWLAIS | 177.9p | 199.9p | 196.9p | 218.9p |
| ASDA MERTHYR TYDFIL SUPERSTORE | 175.9p | 199.9p | — | — |
| Valley Heights Service Station | 178.9p | 204.9p | 198.9p | 224.9p |
| Aberdare Service Station | 173.9p | 197.9p | 185.9p | — |
| ASDA ABERDARE SUPERSTORE | 170.7p | 196.7p | — | — |
| MIDGLANMORGAN | 175.9p | 198.9p | 189.9p | 209.9p |
| ABERDARE SUPERSTORE - PETROL FILLING STATION | 170.9p | 196.9p | 180.9p | — |
| RHYMNEY GARAGE | 158.9p | 175.9p | 170.9p | 180.9p |
| RHYMNEY SERVICE STATION | 173.9p | 199.9p | 174.9p | 214.9p |
| RONTEC MOUNTAIN ASH | 173.9p | 197.9p | 192.9p | — |
| Ambay Service Station | 179.9p | 203.9p | 199.9p | — |
| ABERCYNON SERVICE STATION | 173.9p | 199.9p | — | — |
| TREDEGAR SERVICE STATION | 173.9p | 199.9p | 193.9p | 217.9p |
| TREHARRIS SERVICE STATION | 173.9p | 199.9p | — | 217.9p |
| ESSAR FERNDALE SERVICE STATION | 171.9p | 197.9p | — | — |
| MFG ABERCYNON | 174.9p | 199.9p | 189.9p | 215.9p |
| MFG MORRISONS EBBW VALE | 172.9p | 198.9p | 189.9p | — |
| EBBW VALE SUPERSTORE - PETROL FILLING STATION | 172.9p | 199.9p | 182.9p | — |
| MFG MORRISONS BARGOED | 167.9p | 195.9p | 189.9p | 205.9p |
Frequently Asked Questions
What is the cheapest petrol price in Merthyr Tydfil?
The cheapest petrol in Merthyr Tydfil is currently 158.9p per litre as of 19 October 2026. The average across all stations is 173.54p.
Which supermarket has the cheapest fuel in Merthyr Tydfil?
Tesco, Asda, and Sainsbury's supermarket forecourts typically offer the lowest fuel prices in Merthyr Tydfil. Check the price table above to compare all stations including branded and independent retailers.
How often are fuel prices updated for Merthyr Tydfil?
Prices are updated hourly from the UK Government's mandatory fuel price reporting scheme, which requires all fuel retailers with 6 or more sites to submit prices every 30 minutes.