Petrol prices in Carmarthen today
Live prices at 7 fuel stations in Carmarthen, reported by retailers to the UK Government Fuel Finder scheme. Latest local update 8 hours ago.
Cheapest unleaded (E10)155.9pMURCO · SA32 7DR
Cheapest diesel (B7)175.9p
Carmarthen unleaded average160.0p1.0p below the UK average of 161.0p
7-day trend (unleaded)Trackingprice history recorded since 3 Aug 2026
| Station | Unleaded E10 | Diesel B7 | Premium E5 | Premium diesel |
|---|---|---|---|---|
| GWALIA GARAGEMURCO · GWALIA GARAGE, RHYDARGAEAU, CARMARTHEN, SA32 7DR | 155.9p | 177.9p | 166.5p | 187.5p |
| Derwydd ServicesMurco · DERWYDD GARAGE, CYNWYL ELFED, CARMARTHEN, SA33 6TP, CARMARTHEN, SA33 6TP | 157.9p | 175.9p | 166.9p | — |
| TANERDY GARAGEMURCO · TANERDY GARAGE, TANERDY, CARMARTHEN, SA31 2EY | 157.9p | 177.9p | 167.5p | 186.5p |
| ASDA WHITE MILL EXPRESS PETROLESSO · A40, CARMARTHEN, CARMARTHEN, SA32 7EN | 161.9p | 179.9p | — | — |
| CKs SupermarketMurco · C K'S SUPERMARKET, OLD ST. CLEARS ROAD, JOHNSTOWN, CARMARTHEN, SA31 3HL | 161.9p | 179.9p | — | — |
| MFG MORRISONS CARMARTHENMORRISONS · PARC PENSARN, CARMARTHEN, SA31 2NF | 161.9p | 178.9p | 175.9p | — |
| ASCONA TENBY ROAD SERVICE STATIONVALERO · LYSONNEN ROAD, CARMARTHEN, SA33 5DT | 162.9p | 181.9p | 191.9p | 214.9p |
Prices come from the official UK Government Fuel Finder feed. Retailers must report changes within 30 minutes; always confirm at the pump. Compare these stations on the live map to see the cheapest fill-up for your own tank.
Prices by brand in Carmarthen
Petrol prices near Carmarthen
- Caerfyrddin2 mi
- Pencader7 mi
- Carmarthen Road8 mi
- Tenby Road, St Clears9 mi
- Pontyates9 mi
- St Clears9 mi
- Kidwelly10 mi
- Gorslas11 mi
- Llanedi14 mi
- Llanelli14 mi