Compare petrol and diesel prices at stations in Cardiff, Wales. Updated every 15 minutes.
As of 3 August 2026, the average price of petrol (E10) in Cardiff is 161.3p per litre — in line with the UK average of 160.9p. The cheapest petrol in Cardiff today is 152.9p at P W MILLAR LTD, and diesel (B7) averages 180.7p (cheapest 174.9p).
Save money on every tank in Cardiff. Fuel Near You shows the latest petrol, diesel and super unleaded prices at filling stations across Cardiff, Wales, updated every 15 minutes. Supermarket and independent forecourts often differ by several pence a litre, so compare before you fill up and head for the cheapest option near you. You can also compare fuel prices in nearby Barry, Caerphilly, Newport.
Live E10 unleaded prices at the nearest forecourts · updated every 15 minutes
#1P W MILLAR LTD152.9p#2ASDA CAERPHILLY SUPERSTORE157.9p#3MFG MORRISONS CAERPHILLY157.9p#4CITY FILLING STATION157.9p#5SHELL BARRY158.9p#6RONTEC PENRHOS158.9p#7P W MILLAR158.9p#8Tivoli Service Station158.9p#9ASDA CARDIFF CORYTON SUPERCENTRE159.7p#10ASDA LECKWITH ROAD SUPERSTORE159.7p#11MFG MORRISONS BARRY159.9p#12Caerphilly Service Station159.9pLive B7 diesel prices at the nearest forecourts · updated every 15 minutes
#1Tivoli Service Station174.9p#2ASDA BARRY SUPERSTORE175.7p#3MFG MORRISONS CAERPHILLY175.9p#4MFG MORRISONS BARRY175.9p#5RONTEC PENRHOS176.9p#6ASDA CAERPHILLY SUPERSTORE176.9p#7ASDA CARDIFF CORYTON SUPERCENTRE177.7p#8CARDIFF EXTRA - PETROL FILLING STATION177.9p#9CARDIFF TYN-Y-PARC EXPRESS177.9p#10ASDA LECKWITH ROAD SUPERSTORE178.7p#11ASDA PENTWYN SUPERSTORE178.9p#12MFG MORRISONS CARDIFF TYGLASS178.9pFinding cheapest fuel in Cardiff...
As of 3 August 2026, petrol (E10) in Cardiff averages 161.3p per litre and diesel (B7) about 180.7p. Prices refresh every 15 minutes from the UK Government Fuel Finder scheme.
The cheapest petrol in Cardiff right now is 152.9p per litre at P W Millar Ltd. The live list above ranks every nearby forecourt by price.
Cardiff is in line with the UK average — 161.3p locally versus 160.9p nationally for petrol.
Stations with live prices in and around Cardiff include P W Millar Ltd, Asda Caerphilly Superstore, Mfg Morrisons Caerphilly, City Filling Station, Shell Barry and more — see the full ranked list above, or open the live map for every forecourt with today's prices.