Carmarthen petrol prices compared across 12 forecourts. Find the cheapest petrol in Carmarthen right now — we update prices throughout the day so you always get the best price on fuel in Carmarthen, Dyfed.
| Station | Location | Unleaded | Diesel | Super | Prem Diesel |
|---|---|---|---|---|---|
| ESSO | A40, CARMARTHEN, SA32 7EN | — | — | — | — |
| Murco Supermarket | DERWYDD GARAGE, CYNWYL ELFED, CARMARTHEN, SA33 6TP, SA33 6TP | 125.9p | — | 154.9p | 136.9p |
| MORRISONS Supermarket | PARC PENSARN, SA31 2NF | 128.9p | 139.9p | 149.9p | — |
| MURCO | GWALIA GARAGE, SA32 7DR | 129.9p | 139.9p | 137.5p | 147.5p |
| MURCO | TANERDY GARAGE, SA31 2EY | 129.9p | 139.9p | 137.5p | 147.5p |
| TESCO Supermarket | TESCO STORES, SA31 3AX | 130.9p | 141.9p | 139.9p | — |
| TEXACO Supermarket | TOWY SERVICE STATION, THE BRIDGE, CAERFYRDDIN, SA31 2BN, SA31 2BN | 131.9p | 141.9p | 155.9p | — |
| VALERO | A40 WEST, SA33 4NA | 132.9p | 142.9p | 169.9p | 174.9p |
| VALERO | TENBY ROAD, SA33 4JP | 132.9p | 142.9p | 169.9p | 174.9p |
| VALERO | LYSONNEN ROAD, SA33 5DT | 132.9p | 142.9p | 169.9p | 174.9p |
| ESSO | ST CLEARS ROUNDABOUT, SA33 4JW | 132.9p | 142.9p | 155.9p | 165.9p |
| oil 4 wales ltd Supermarket | NANTYCAWS FILLING STATION LTD, LLANDDAROG ROAD, CAERFYRDDIN, SA32 8BG, SA32 8BG | 132.9p | 142.9p | — | — |