Petrol and Diesel Prices in Carmarthenshire
Compare petrol and diesel prices at 2 petrol stations in Carmarthenshire. Prices last updated 10:24 27/03/2026.
Petrol (E10)
145.9p
at CHIVERS CORNER GARAGE
Diesel (B7)
169.9p
at CHIVERS CORNER GARAGE
Super Unleaded (E5)
152.9p
at CHIVERS CORNER GARAGE
Premium Diesel
N/A
Unleaded (E10)
148.0p avg
2.3p below UK average (150.3p)
Diesel
174.0p avg
4.3p below UK average (178.3p)
Price History in Carmarthenshire
See how fuel prices have changed over time with interactive charts and analysis.
Click any column header to sort. Prices shown in pence per litre.
Carmarthenshire currently has 2 petrol stations tracked by Fuel Costs UK. The average unleaded petrol price in Carmarthenshire today is 148.0p per litre, which is 2.3p below the UK national average of 150.3p.
The cheapest unleaded petrol in Carmarthenshire right now is 145.9p at CHIVERS CORNER GARAGE. The cheapest diesel is 169.9p at CHIVERS CORNER GARAGE.
Fuel prices in Carmarthenshire are sourced from the UK Government's CMA Fuel Finder scheme and updated every 4 minutes. We recommend comparing prices before filling up, as prices can vary significantly between stations even within the same town.