Question 1

What fuel types are sold in Carmarthenshire?

Accepted Answer

Forecourts in Carmarthenshire that publish to the national feed list Super Unleaded (E5), Unleaded (E10), Diesel (B7) and Premium Diesel. Not every station carries every grade — use the cheapest-by-fuel sections above to see which forecourt has the variant you need.

Question 2

What's the average price of super unleaded (E5) in Carmarthenshire?

Accepted Answer

Super Unleaded (E5) in Carmarthenshire is averaging 170.6p per litre across the forecourts publishing to the national feed, with the cheapest at 154.5p and the priciest at 189.9p.

Question 3

What's the average price of unleaded (E10) in Carmarthenshire?

Accepted Answer

Unleaded (E10) in Carmarthenshire is averaging 153.8p per litre across the forecourts publishing to the national feed, with the cheapest at 149.9p and the priciest at 179.9p.

Question 4

What's the average price of diesel (B7) in Carmarthenshire?

Accepted Answer

Diesel (B7) in Carmarthenshire is averaging 168.6p per litre across the forecourts publishing to the national feed, with the cheapest at 161.9p and the priciest at 199.9p.

Question 5

What's the average price of premium diesel in Carmarthenshire?

Accepted Answer

Premium Diesel in Carmarthenshire is averaging 190.1p per litre across the forecourts publishing to the national feed, with the cheapest at 162.5p and the priciest at 211.9p.

Question 6

Where can I get the cheapest super unleaded (E5) in Carmarthenshire?

Accepted Answer

MURCO TANERDY GARAGE (CARMARTHEN, SA31 2EY) is currently the cheapest super unleaded (E5) in Carmarthenshire at 154.5p per litre, with the price last updated 08 Jul. Tap the "Cheapest super unleaded (E5)" section above for the full ranking.

Question 7

Where can I get the cheapest unleaded (E10) in Carmarthenshire?

Accepted Answer

TEXACO VST PARKSTREET FILLING STATION (SA18 2ET) is currently the cheapest unleaded (E10) in Carmarthenshire at 149.9p per litre, with the price last updated 18 Jul. Tap the "Cheapest unleaded (E10)" section above for the full ranking.

Question 8

Where can I get the cheapest diesel (B7) in Carmarthenshire?

Accepted Answer

Murco Derwydd Services (CARMARTHEN, SA33 6TP) is currently the cheapest diesel (B7) in Carmarthenshire at 161.9p per litre, with the price last updated yesterday at 12:32. Tap the "Cheapest diesel (B7)" section above for the full ranking.

Question 9

Where can I get the cheapest premium diesel in Carmarthenshire?

Accepted Answer

MURCO GWALIA GARAGE (CARMARTHEN, SA32 7DR) is currently the cheapest premium diesel in Carmarthenshire at 162.5p per litre, with the price last updated 08 Jul. Tap the "Cheapest premium diesel" section above for the full ranking.

Question 10

Which forecourts sell super unleaded (E5) in Carmarthenshire?

Accepted Answer

Super Unleaded (E5) is only stocked by 3 forecourts in Carmarthenshire: TANERDY GARAGE, GWALIA GARAGE and LLANELLI EXTRA - PETROL FILLING STATION.

Question 11

Which forecourts sell premium diesel in Carmarthenshire?

Accepted Answer

Premium Diesel is only stocked by 3 forecourts in Carmarthenshire: GWALIA GARAGE, TANERDY GARAGE and NTS LLANELLI SERVICE STATION.

Question 12

How often are fuel prices in Carmarthenshire updated?

Accepted Answer

UK retailers must publish any pump-price change to the CMA-mandated national feed within 30 minutes. FuelFox re-polls that feed every 30 minutes too, so a price you see is at most about an hour old and usually fresher. Each forecourt card shows a freshness pill — tap it for the exact update time.

Fuel prices in Carmarthenshire (county)

By fuel type

Cheapest super unleaded (E5) in Carmarthenshire

Cheapest unleaded (E10) in Carmarthenshire

Cheapest diesel (B7) in Carmarthenshire

Cheapest premium diesel in Carmarthenshire

FAQ

Fuel	Cheapest	Average	Highest
Super Unleaded (E5)	154.5p	170.6p	189.9p
Unleaded (E10)	149.9p	153.8p	179.9p
Diesel (B7)	161.9p	168.6p	199.9p
Premium Diesel	162.5p	190.1p	211.9p