Cheapest Diesel Prices in Cardiff Today
Compare live diesel prices at every petrol station in Cardiff. We track prices from the UK Government Fuel Finder service so you always know where to find the cheapest diesel near you. Prices are updated throughout the day directly by fuel retailers.
Cheapest Diesel
1.83p
Average Diesel
1.86p
Stations Tracked
20
About Diesel Prices in Cardiff
PumpWatch tracks diesel prices at every petrol station in Cardiff using data from the UK Government's Fuel Finder service. Prices are submitted directly by fuel retailers and updated throughout the day, giving you the most accurate and up-to-date diesel prices available.
Diesel prices in Cardiff can vary significantly between stations, even those just a few streets apart. Supermarket forecourts like Asda, Tesco, Sainsbury's, and Morrisons tend to offer the lowest prices, while motorway service stations are typically the most expensive. Independent stations and brands like Jet and Texaco often fall somewhere in between.
How to Find the Cheapest Diesel in Cardiff
Use the fuel type tabs above to compare different fuel types. You can also use our interactive map to find the cheapest stations near your exact location. Prices shown are in pence per litre and include VAT.
Why Do Diesel Prices Vary?
Wholesale fuel costs, local competition, rent, and business rates all affect the price you pay at the pump. Stations in high-traffic areas or with less nearby competition tend to charge more. Checking PumpWatch before you fill up can save you several pounds per tank.