Diesel prices in Carmarthen

Distances are from the centre of Carmarthen.

Cheapest reported within 5 miles · Diesel (B7)

191.9p

Gwalia Garage · Murco

Carmarthen, SA32 7DR

3.3 miles away · Open until 19:00

Price changed yesterday

£1.60 less on 40 litres than the local median (195.9p)

Directions

Nearest open station: Tanerdy Garage, 0.7 mi, 192.9p. The top pick saves £0.40 on 40 litres, before the cost of any extra driving.

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  1. 191.9pGwalia Garage · MurcoGo3.3 mi · Open until 19:00
    Price changed yesterdayWrong price?
  2. 192.9pTanerdy Garage · MurcoGo0.7 mi · Open until 19:00
    Price changed yesterdayWrong price?
  3. 194.9pMFG Morrisons Carmarthen · MorrisonsGo1.4 mi · Open 24 hours
    Price changed 21 days agoWrong price?
  4. 195.9pVst Towy Services Station · TexacoGo0.8 mi · Open 24 hours
    Price changed 6 days agoWrong price?
  5. 195.9pCarmarthen Extra · TescoGo0.9 mi · Open 24 hours
    Price changed 10 days agoWrong price?
  6. 195.9pAsda White Mill Express Petrol · EssoGo3.2 mi · Open until 22:00
    Price changed 2 days agoWrong price?
  7. 195.9pDerwydd Services · MurcoGo4.3 mi · Open until 18:00
    Price changed 25 days agoWrong price?
  8. 196.9pCKs Supermarket · MurcoGo1.2 mi · Open until 22:00
    Price changed 4 days agoWrong price?
  9. 196.9pAscona Tenby Road Service Station · ValeroGo3.3 mi · Open 24 hours
    Price changed 19 days agoWrong price?
  10. 196.9poil 4 wales ltd Nantycaws · Oil 4 Wales LtdGo4.2 mi · Open until 21:00
    Price changed 12 days agoWrong price?

See on the map

Carmarthen fuel prices today

FuelCheapestTypicalStations
Unleaded (E10)163.9p166.9p10
Super unleaded (E5)177.9p185.9p7
Diesel (B7)191.9p195.9p10
Premium diesel205.5p–3

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

What's the cheapest petrol in Carmarthen today?

Tanerdy Garage (Murco) at 163.9p a litre, the lowest reported price at an open station within 5 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 5 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