Petrol and diesel prices in Carmarthenshire
Cheapest petrol in Carmarthenshire right now: 168.9p at Texaco Vst Parkstreet Filling Station, SA18 2ET. Cheapest diesel: 194.9p at Murco Tanerdy Garage, Carmarthen. Petrol averages 171.8p and diesel 197.4p across 41 forecourts in Carmarthenshire. Updated 17:30 today.
- Ammanford has the cheapest petrol of the larger towns in Carmarthenshire, averaging 168.9p; Caerfyrddin is dearest at 172.9p.
- Supermarket forecourts average 172.3p for petrol, 0.6p more than other forecourts in Carmarthenshire.
Prices reported in the last 3 days.
Prices reported in the last 3 days.
Find the cheapest fuel near you in Carmarthenshire
Enter your postcode to sort stations by price, best value once the drive is counted, or distance.
Fuel prices by town in Carmarthenshire
Cheapest average petrol first.
| Town | Average petrol | Cheapest petrol | Cheapest diesel | Stations |
|---|---|---|---|---|
| Ammanford | 168.9p | 168.9p | 195.9p | 3 |
| Camarthenshire | 169.9p | 169.9p | 195.9p | 1 |
| Kidwelly | 169.9p | 169.9p | 195.9p | 1 |
| Pontyates | 169.9p | 169.9p | 195.9p | 1 |
| Rhydaman | 170.9p | 170.9p | 197.9p | 1 |
| Pencader | 171.9p | 171.9p | 195.9p | 1 |
| Carmarthen | 172.3p | 169.9p | 194.9p | 7 |
| Llanelli | 172.3p | 169.9p | 194.9p | 9 |
| Gorslas | 172.7p | 172.7p | 198.7p | 1 |
| Caerfyrddin | 172.9p | 171.9p | 196.9p | 3 |
| Llandovery | 172.9p | 172.9p | 199.9p | 1 |
| Panteg | 172.9p | 172.9p | 196.9p | 1 |
| Carmarthen Road | 173.9p | 173.9p | 197.9p | 1 |
| Llandeilo | 173.9p | 173.9p | 199.9p | 2 |
| St Clears | 173.9p | 173.9p | 197.9p | 1 |
| Tenby Road, St Clears | 173.9p | 173.9p | 199.9p | 1 |
Fuel price alerts in Carmarthenshire
Price alerts are coming soon. Join the waitlist and we'll email you when they start: an alert when fuel near you drops by 3p a litre or more, and the 10 cheapest pumps near your postcode every Friday.
Questions about fuel prices in Carmarthenshire
Where is the cheapest petrol in Carmarthenshire?
Texaco Vst Parkstreet Filling Station in SA18 2ET, at 168.9p a litre, among prices reported in the last three days.
How much is diesel in Carmarthenshire today?
Diesel averages 197.4p a litre across 40 forecourts in Carmarthenshire, against a UK average of 199.2p. The cheapest is 194.9p at Murco Tanerdy Garage, Carmarthen.
Which town in Carmarthenshire has the cheapest petrol?
Of towns with three or more forecourts, Ammanford is cheapest, averaging 168.9p a litre. Caerfyrddin is dearest at 172.9p.
Which supermarket has the cheapest petrol in Carmarthenshire?
Tesco, averaging 172.2p a litre across 3 forecourts in Carmarthenshire. Asda averages 172.2p, Morrisons averages 172.4p.
How up to date are these prices?
Every forecourt reports its prices to the government's Fuel Finder scheme, and we refresh them twice a day. These were updated 17:30 today.