PetrolPriceWatch

Petrol stations in Carmarthen

There are 7 petrol stations in Carmarthen (Wales) with current fuel prices. The cheapest diesel is currently € 1.619 at Murco.

Cheapest Diesel£ 1.619 — Murco
Cheapest Unleaded£ 1.519 — Murco
Stations7
Loading map…
Murco
Derwydd Garage, Cynwyl Elfed, Carmarthen, SA33 6TP, SA33 6TP Carmarthen
Unleaded (E10): £ 1.519Diesel: £ 1.619
Murco
Tanerdy Garage, Tanerdy , SA31 2EY Carmarthen
Unleaded (E10): £ 1.509Diesel: £ 1.629
Murco
C K's Supermarket, Old St. Clears Road, Johnstown, SA31 3HL Carmarthen
Unleaded (E10): £ 1.519Diesel: £ 1.639
Murco
Gwalia Garage, Rhydargaeau, SA32 7DR Carmarthen
Unleaded (E10): £ 1.529Diesel: £ 1.639
Morrisons
Parc Pensarn, SA31 2NF Carmarthen
Unleaded (E10): £ 1.519Diesel: £ 1.649
Valero
Lysonnen Road, Carmarthen, SA33 5DT Carmarthen
Unleaded (E10): £ 1.519Diesel: £ 1.659
Esso
A40, Carmarthen, SA32 7EN Carmarthen
Unleaded (E10): £ 1.549Diesel: £ 1.759

Price trend in Carmarthen

Diesel ranged between £ 1.549 and £ 1.769 over the last 30 days.

Unleaded (E10) ranged between £ 1.469 and £ 1.549 over the last 30 days.

DateAvg. DieselAvg. Unleaded
07/07/2026£ 1.596£ 1.490
08/07/2026£ 1.594—
09/07/2026£ 1.588—
10/07/2026£ 1.593£ 1.488
11/07/2026—£ 1.488
12/07/2026£ 1.593£ 1.488
13/07/2026—£ 1.488
14/07/2026£ 1.603£ 1.491
15/07/2026£ 1.618£ 1.498
16/07/2026—£ 1.501
17/07/2026£ 1.635£ 1.509
18/07/2026£ 1.638£ 1.518
19/07/2026£ 1.646£ 1.518
20/07/2026£ 1.652£ 1.521

Price comparison

Carmarthen is currently cheaper than the median in Wales (3.0p) and the average in United Kingdom (4.2p).

AreaDieselUnleaded (E10)
City£ 1.659£ 1.524
Wales£ 1.689£ 1.539
United Kingdom£ 1.701£ 1.543

Nearby stations

CityStationsDieselUnleaded (E10)
Caerfyrddin3£ 1.639£ 1.519
Llanelli9£ 1.659£ 1.509
Llandysul3£ 1.729£ 1.549
Abertawe4£ 1.659£ 1.519