Live prices
Cheapest premium unleaded (E5) in Carmarthen
5 stations reporting premium unleaded (E5), ranked cheapest first.
The cheapest reported premium unleaded (E5) in Carmarthen is £8.11 a gallon (178.5p per litre) at Murco, Gwalia Garage, Rhydargaeau, Carmarthen (SA32 7DR). The average across 5 forecourts currently reporting this grade is £8.46 a gallon (186.1p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £3.80 on a 50-litre fill. That local average is 3.9p per litre below the UK average of 190.0p.
The average is unchanged since yesterday. The average is unchanged since last week.
Prices last refreshed at 4:04am on 5 November 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
| Station | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|
 Gwalia Garage (SA32 7DR)Gwalia Garage, Rhydargaeau, Carmarthen | £7.54165.9p | £8.81193.9p | £8.11178.5p | £9.39206.5p | 40 mins ago |
| Tanerdy Garage (SA31 2EY)Tanerdy Garage, Tanerdy, Carmarthen | £7.54165.9p | £8.81193.9p | £8.16179.5p | £9.34205.5p | 40 mins ago |
| Derwydd Services (SA33 6TP)Derwydd Garage, Cynwyl Elfed, Carmarthen, SA33 6TP, Carmarthen | £7.59166.9p | £8.91195.9p | £8.31182.9p | ---- | 40 mins ago |
 Mfg Morrisons Carmarthen (SA31 2NF)24hParc Pensarn, Carmarthen, Carmarthenshire | £7.63167.9p | £8.86194.9p | £8.63189.9p | ---- | 40 mins ago |
 Ascona Tenby Road Service Station (SA33 5DT)24hLysonnen Road, Carmarthen, Carmarthen, Carmarthenshire | £7.63167.9p | £8.95196.9p | £9.09199.9p | £10.00219.9p | 40 mins ago |
Prices are supplied through the official UK Government fuel price open data scheme (Open Government Licence v3.0) and checked every 30 minutes. Only stations reporting premium unleaded (E5) appear here.
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Questions about premium unleaded (E5) in Carmarthen
- Where is the cheapest premium unleaded (E5) in Carmarthen?
- The cheapest reported premium unleaded (E5) in Carmarthen is 178.5p per litre at Murco, Gwalia Garage, Rhydargaeau, Carmarthen (SA32 7DR). The average across 5 forecourts reporting this grade is 186.1p per litre. Prices were last refreshed at 4:04am on 5 November 2026 from official UK Government fuel price data.
- How many stations in Carmarthen sell premium unleaded (E5)?
- 5 forecourts in Carmarthen currently report a price for premium unleaded (E5) through the official UK fuel price open data scheme. Stations that do not sell or report this grade are not counted.