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Average Petrol Price in Cardiff

Petrol (E10)155.0p
Diesel (B7S)176.2p

Today the average petrol price in Cardiff is 154.96p per litre. 1.1p lower than the average price in Wales.

The current average price of diesel is 176.16p per litre. 0.9p below the Welsh average price for diesel.

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 (154.9p per litre).

Currently, buying 60 litres of petrol in Cardiff costs £0.00 less than in Cardiff (154.9p 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
Cardiff20154.93p175.98p

Average petrol prices last updated at 12 Jun 2026 10:00 (14 hours, and 10 minutes ago).

Petrol & Diesel Price Trends

The average price of petrol in Cardiff has decreased by 2.1p in the last week. Diesel has fallen by 4p.

In the last month petrol has dropped by 2.5p and. and diesel has fallen by 10.8p.