Petrol and Diesel Prices in Swansea
Compare petrol and diesel prices at 23 petrol stations in Swansea. Prices last updated 15:04 26/06/2026.
Petrol (E10)
148.9p
at SAINSBURYS SWANSEA
Diesel (B7)
159.9p
at SAINSBURYS SWANSEA
Super Unleaded (E5)
158.9p
at SWANSEA CADLE EXTRA - PETROL FILLING STATION
Premium Diesel
179.9p
at GOWERTON ESSO EXPRESS
Unleaded (E10)
152.0p avg
In line with UK average (152.1p)
Diesel
166.0p avg
3.0p below UK average (169.0p)
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.
Stations within a few miles of Swansea — worth the short drive for cheaper fuel.
Swansea currently has 23 petrol stations tracked by FuelCosts.co.uk. The average unleaded petrol price in Swansea today is 152.0p per litre, which is in line with the UK national average of 152.1p.
The cheapest unleaded petrol in Swansea right now is 148.9p 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.