Petrol and Diesel Prices in Swansea
Compare petrol and diesel prices at 23 petrol stations in Swansea. Prices last updated 10:28 27/03/2026.
Petrol (E10)
136.9p
at SAINSBURYS SWANSEA
Diesel (B7)
159.9p
at SAINSBURYS SWANSEA
Super Unleaded (E5)
148.9p
at SAINSBURYS SWANSEA
Premium Diesel
189.9p
at MFG MUMBLES
Unleaded (E10)
148.0p avg
2.3p below UK average (150.3p)
Diesel
176.0p avg
2.3p below UK average (178.3p)
Price History in Swansea
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.
Swansea currently has 23 petrol stations tracked by Fuel Costs UK. The average unleaded petrol price in Swansea today is 148.0p per litre, which is 2.3p below the UK national average of 150.3p.
The cheapest unleaded petrol in Swansea right now is 136.9p at SAINSBURYS SWANSEA. The cheapest diesel is 159.9p at SAINSBURYS SWANSEA.
Fuel prices in Swansea 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.