Petrol and Diesel Prices in Cardiff
Compare petrol and diesel prices at 23 petrol stations in Cardiff. Prices last updated 10:20 27/03/2026.
Petrol (E10)
142.9p
at SAINSBURYS THORNHILL
Diesel (B7)
160.9p
at SAINSBURYS COLCHESTER AVENUE
Super Unleaded (E5)
152.9p
at CARDIFF TYN-Y-PARC EXPRESS
Premium Diesel
179.9p
at Tivoli Service Station
Unleaded (E10)
149.0p avg
1.3p below UK average (150.3p)
Diesel
174.0p avg
4.3p below UK average (178.3p)
Price History in Cardiff
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.
Cardiff currently has 23 petrol stations tracked by Fuel Costs UK. The average unleaded petrol price in Cardiff today is 149.0p per litre, which is 1.3p below the UK national average of 150.3p.
The cheapest unleaded petrol in Cardiff right now is 142.9p at SAINSBURYS THORNHILL. The cheapest diesel is 160.9p at SAINSBURYS COLCHESTER AVENUE.
Fuel prices in Cardiff 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.