Fuel prices in Carmarthen
The cheapest unleaded in Carmarthen today is 169.9p a litre at Gwalia Garage (SA32 7DR). The average across 7 reporting stations is 172.3p, 1.9p below the UK average, and prices range up to 174.9p: a 5.0p gap between the cheapest and priciest. The cheapest diesel is 194.9p at Tanerdy Garage (SA31 2EY), against a local average of 197.0p. Updated UK time.
Unleaded (E10) prices in Carmarthen over time
Daily average for the same 7 stations throughout, against the UK average. Tank Prices’ history starts 14 October 2026.
- Carmarthen 172.3p ±0.0p since 14 Oct
- UK average 174.2p −0.1p since 14 Oct
Show the figures
| Day | Carmarthen | UK average |
|---|---|---|
| Latest | 172.3p | 174.2p |
| 17 Oct | 172.3p | 174.2p |
| 16 Oct | 172.3p | 174.2p |
| 15 Oct | 172.3p | 174.3p |
| 14 Oct | 172.3p | 174.4p |
Cheapest stations for Unleaded (E10)
Lowest reported price first.
Usual opening hours; bank holidays may differ.
Nearby towns
Cheapest unleaded today, straight-line distance between town centres.
- Swansea22 mifrom 167.9p