Fuel Prices in Cardiff
Today's average petrol and diesel prices in Cardiff, updated twice daily.
Average Prices
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Cities in Cardiff
Compare fuel prices across cities in Cardiff.
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Frequently Asked Questions
What is the average petrol price in Cardiff?
Average petrol (E10) prices in Cardiff are updated twice daily. Visit this page regularly to see the latest figures.
Where can I find the cheapest diesel in Cardiff?
Use our comparison tool above to search by postcode and find the cheapest diesel forecourts in Cardiff. Supermarket forecourts such as Asda, Tesco, Sainsbury's, and Morrisons often have the lowest prices.
How often are fuel prices updated for Cardiff?
Fuel prices are updated twice daily, so you always see recent data.
Is premium unleaded (E5) worth the extra cost in Cardiff?
E5 super unleaded has a higher octane rating (97+ RON) which may benefit performance cars. For most everyday vehicles built after 2011, standard E10 is recommended and cheaper.