Carmarthenshire
11 stations with live fuel prices · cheapest unleaded from £1.649
Carmarthenshire has 11 reporting petrol stations from 6 brands. Today's cheapest unleaded is £1.649 per litre, with the most expensive at £1.699, a spread of 5.0p across the county. The average across Carmarthenshire is £1.681 for E10 and £1.891 for diesel. Prices update hourly.
- Ascona Forge Filling StationA40 West, Sa33 4naCarmarthen RoadValero£1.699E10£1.899Diesel
- Ascona Ivy Service StationTenby Road, Sa33 4jpSt ClearsValero£1.699E10£1.899Diesel
- Ascona Tenby Road ServiceLysonnen Road, Sa33 5dtCarmarthenValero£1.699E10£1.899Diesel
- Gravells Service StationNo 3-5, Sa17 4taKidwellyMurco£1.699E10£1.899Diesel
- Mfg Cross HandsCrosshands Road, Sa14 6rrGorslas / Cross HandsTexaco£1.699E10£1.899Diesel
- Sandy RoadSandy Road, Sa15 4dwLlanelliMurco£1.679E10£1.879Diesel
- Valley Service StationPencader Road,, Sa44 4aeLlandysulShell£1.679E10£1.899Diesel
- Ascona Manordeilo Service StationA40 Manordeilo, Sa19 7bnLlandeiloTexaco£1.667E10£1.947Diesel
- Essar Penybanc Service Statioin96 Penybanc Rd, Sa18 3qsAmmanfordEssar£1.659E10£1.849Diesel
- Mfg Morrisons LlanelliPemberton Retail Park, Sa14 9uzLlanelliMorrisons£1.659E10£1.869Diesel
- Mfg Morrisons CarmarthenParc Pensarn, Sa31 2nfCarmarthenMorrisons£1.649E10£1.869Diesel
Top fuel brands in Carmarthenshire
Carmarthenshire fuel prices: questions
Where is the cheapest petrol in Carmarthenshire right now?+
Today the cheapest unleaded in Carmarthenshire is £1.649 per litre at Mfg Morrisons Carmarthen. The cheapest diesel is £1.849 at Essar Penybanc Service Statioin. Prices change hourly, so the leader can shift through the day.
How often do Carmarthenshire fuel prices update?+
Every hour. We pull prices directly from the UK Government Fuel Finder service, which retailers are legally required to update within 30 minutes of any change. The figures on this page reflect what every reporting station in Carmarthenshire has charged in the last 60 minutes.
Why does fuel vary so much across Carmarthenshire?+
The spread between today's cheapest and most expensive E10 in Carmarthenshire is 5.0p per litre. Local competition does most of the work: stations near a supermarket rival cut prices to stay close to it, while those without nearby competition can charge several pence more. Wholesale supplier contracts and how quickly each retailer follows market changes also matter.
How many petrol stations are in Carmarthenshire?+
Carmarthenshire has 11 reporting petrol stations from 6 different brands, all listed on this page with their latest prices. Stations are required to report under the UK Fuel Finder Scheme, so coverage is effectively complete for any forecourt with a public price.