PetrolPriceWatch

Petrol stations in Carmarthen

There are 7 petrol stations in Carmarthen (Wales) with current fuel prices. The cheapest diesel is currently € 1.819 at Murco.

Cheapest Diesel£ 1.819 — Murco
Cheapest Unleaded£ 1.619 — Murco
Stations7
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Murco
Derwydd Garage, Cynwyl Elfed, Carmarthen, SA33 6TP, SA33 6TP Carmarthen
Unleaded (E10): £ 1.589Diesel: £ 1.799
Murco
C K's Supermarket, Old St. Clears Road, Johnstown, SA31 3HL Carmarthen
Unleaded (E10): £ 1.619Diesel: £ 1.819
Murco
Tanerdy Garage, Tanerdy , SA31 2EY Carmarthen
Unleaded (E10): £ 1.619Diesel: £ 1.819
Murco
Gwalia Garage, Rhydargaeau, SA32 7DR Carmarthen
Unleaded (E10): £ 1.619Diesel: £ 1.829
Morrisons
Parc Pensarn, SA31 2NF Carmarthen
Unleaded (E10): £ 1.619Diesel: £ 1.829
Valero
Lysonnen Road, Carmarthen, SA33 5DT Carmarthen
Unleaded (E10): £ 1.649Diesel: £ 1.859
Esso
A40, Carmarthen, SA32 7EN Carmarthen
Unleaded (E10): £ 1.669Diesel: £ 1.859

Price trend in Carmarthen

Diesel ranged between £ 1.739 and £ 1.859 over the last 30 days.

Unleaded (E10) ranged between £ 1.499 and £ 1.675 over the last 30 days.

DateAvg. DieselAvg. Unleaded
20/08/2026£ 1.798£ 1.591
21/08/2026£ 1.798£ 1.592
24/08/2026£ 1.802£ 1.595
25/08/2026£ 1.805£ 1.596
26/08/2026£ 1.809£ 1.596
27/08/2026£ 1.812£ 1.602
28/08/2026£ 1.812£ 1.602
29/08/2026£ 1.812—
31/08/2026£ 1.812£ 1.602
01/09/2026£ 1.810£ 1.602
02/09/2026£ 1.809£ 1.601
03/09/2026£ 1.812£ 1.606
04/09/2026£ 1.818£ 1.621
05/09/2026£ 1.825£ 1.626

Price comparison

Carmarthen is currently cheaper than the median in Wales (2.3p) and the average in United Kingdom (2.8p).

AreaDieselUnleaded (E10)
City£ 1.836£ 1.632
Wales£ 1.859£ 1.649
United Kingdom£ 1.864£ 1.649

Nearby stations

CityStationsDieselUnleaded (E10)
Caerfyrddin3£ 1.819£ 1.619
Llanelli9£ 1.819£ 1.617
Llandysul3£ 1.879£ 1.659
Abertawe4£ 1.839£ 1.639