Premium diesel prices in Carmarthen

Distances are from the centre of Carmarthen.

Cheapest reported within 10 miles · Premium diesel

205.5p

Tanerdy Garage · Murco

Carmarthen, SA31 2EY

0.7 miles away · Open until 19:00

Price changed 43 days ago

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Older prices

These haven't changed in over 30 days, so they're listed separately. They may still be right, as stations only report changes.

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Carmarthen fuel prices today

FuelCheapestTypicalStations
Unleaded (E10)159.9p166.9p17
Super unleaded (E5)177.9p187.9p10
Diesel (B7)191.9p195.9p17
Premium diesel205.5p–6

Typical unleaded here is 3.0p below the Great Britain typical price of 169.9p.

What's the cheapest petrol in Carmarthen today?

Lewis Retail Drefach Ltd (Nisa Local Drefach) at 159.9p a litre, the lowest reported price at an open station within 10 miles. The typical price nearby is 166.9p.

What's the cheapest diesel in Carmarthen today?

Gwalia Garage (Murco) at 191.9p a litre, the lowest reported price at an open station within 10 miles. The typical price nearby is 195.9p.

Updated 8 November 2026 from GOV.UK Fuel Finder. "Typical" is the median of prices confirmed in the last 30 days. Closed stations are removed, and prices that differ sharply from nearby stations aren't ranked.

All stations in Carmarthen

Ascona Tenby Road Service StationAsda White Mill Express PetrolCKs SupermarketDerwydd ServicesGwalia GarageMFG Morrisons CarmarthenTanerdy Garage

Nearby towns

LlanelliCardiganSwanseaNeathHaverfordwestBridgendPontypriddBlackwood

Nearby postcode districts

SA31SA32SA33SA39SA17SA14SA16SA15