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Average Petrol Price in Cardiff

Petrol (E10)158.1p
Diesel (B7S)176.4p

Today the average petrol price in Cardiff is 158.09p per litre. 0.0p higher than the average price in Wales.

The current average price of diesel is 176.44p per litre. 0.4p above the Welsh diesel average.

We calculate the daily averages by analysing price data from the 29 petrol stations in Cardiff that are sending price changes to the Fuel Finder system.

Cheapest Petrol in Cardiff

The cheapest petrol in Cardiff is in Cardiff (157.8p per litre).

Currently, buying 60 litres of petrol in Cardiff costs £0.00 less than in Cardiff (157.8p per litre).

Average Fuel Prices by City/Town

Select a town or city to view local petrol station price data.

TOWN/CITY STATIONS PETROL DIESEL
Cardiff20157.83p175.93p

Average petrol prices last updated at 28 Jul 2026 10:00 (5 hours, and 9 minutes ago).

Petrol & Diesel Price Trends

The average price of petrol in Cardiff has increased by 4.1p in the last week. Diesel has risen by 5.9p.

In the last month, petrol has increased by 8.3p and diesel has risen by 11.2p.