Petrol and Diesel Prices in Caernarfon
Compare petrol and diesel prices at 6 petrol stations in Caernarfon. Prices last updated 14:12 11/05/2026.
Petrol (E10)
151.9p
at MFG MORRISONS CAERNARFON
Diesel (B7)
183.9p
at MFG MORRISONS CAERNARFON
Super Unleaded (E5)
163.9p
at Gwalia Garage Caernarfon Limited
Premium Diesel
N/A
Unleaded (E10)
394.0p avg
235.5p above UK average (158.5p)
Diesel
470.0p avg
281.1p above UK average (188.9p)
Price History in Caernarfon
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.
Stations within a few miles of Caernarfon — worth the short drive for cheaper fuel.
Caernarfon currently has 6 petrol stations tracked by FuelCosts.co.uk. The average unleaded petrol price in Caernarfon today is 394.0p per litre, which is 235.5p above the UK national average of 158.5p.
The cheapest unleaded petrol in Caernarfon right now is 151.9p at MFG MORRISONS CAERNARFON. The cheapest diesel is 183.9p at MFG MORRISONS CAERNARFON.
Fuel prices in Caernarfon 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.