Petrol and Diesel Prices in Caernarfon
Compare petrol and diesel prices at 3 petrol stations in Caernarfon, GWYNEDD. Prices last updated 09:28 27/03/2026.
Petrol (E10)
144.9p
at MFG MORRISONS CAERNARFON
Diesel (B7)
171.9p
at MFG MORRISONS CAERNARFON
Super Unleaded (E5)
156.9p
at Gwalia Garage Caernarfon Limited
Premium Diesel
N/A
Unleaded (E10)
147.0p avg
3.3p below UK average (150.3p)
Diesel
174.0p avg
4.3p below UK average (178.3p)
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.
Caernarfon (GWYNEDD) currently has 3 petrol stations tracked by Fuel Costs UK. The average unleaded petrol price in Caernarfon today is 147.0p per litre, which is 3.3p below the UK national average of 150.3p.
The cheapest unleaded petrol in Caernarfon right now is 144.9p at MFG MORRISONS CAERNARFON. The cheapest diesel is 171.9p 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.