Premium diesel prices in Carmarthen

Distances are from the centre of Carmarthen.

Cheapest reported within 10 miles · Premium diesel

219.9p

Ascona Tenby Road Service Station · Valero

Lysonnen Road, Carmarthen, SA33 5DT

3.3 miles away · Open 24 hours

Price changed 63 days ago

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ValeroMurcoEsso

  1. 202.5pTanerdy Garage · MurcoGo0.7 mi · Closed, opens 06:00
    Price changed yesterdayWrong price?
  2. 202.5pGwalia Garage · MurcoGo3.3 mi · Closed, opens 06:00
    Price changed yesterdayWrong price?

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)161.9p164.9p17
Super unleaded (E5)175.9p180.9p10
Diesel (B7)191.9p195.9p17
Premium diesel219.9p–6

Typical unleaded here is 4.0p below the Great Britain typical price of 168.9p.

What's the cheapest petrol in Carmarthen today?

Windy Corner Garage at 161.9p a litre, the lowest reported price at an open station within 10 miles. The typical price nearby is 164.9p.

What's the cheapest diesel in Carmarthen today?

Windy Corner Garage at 191.9p a litre, the lowest reported price at an open station within 10 miles. The typical price nearby is 195.9p.

Updated 10 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