What is the average petrol price in Cardiff?

The average unleaded (E10) petrol price in Cardiff is currently 162.2p per litre (approx. £7.37/gal), based on live data from 23 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.

What is the average diesel price in Cardiff?

The average diesel (B7) price in Cardiff is currently 181.2p per litre (approx. £8.24/gal). This is based on live data from forecourts in the area, updated every 30 minutes.

Which is the cheapest petrol station in Cardiff?

BP at Nant Garw Hill, Cardiff, Mid Glamorgan currently has the cheapest reported unleaded petrol in Cardiff at 158.9p per litre (approx. £7.22/gal). Prices change regularly, so check this page for the latest.

Which is the most expensive petrol station in Cardiff?

According to official UK government fuel price data, Texaco (CF23 7XH) currently has the highest reported unleaded (E10) price in Cardiff at 164.9p per litre (approx. £7.50/gal). Prices are refreshed every 30 minutes, so this can change through the day.

How do I find the cheapest fuel near Cardiff?

Use the search box above to enter your postcode. fuel.co.uk will show you every forecourt ranked cheapest first, with live prices updated every 30 minutes from the GOV.UK Fuel Finder.

Live prices

Cheapest petrol and diesel prices in Cardiff

23 forecourts tracked in Cardiff (23 reporting unleaded (E10), 23 reporting diesel (B7), 16 reporting premium (E5), 8 reporting super diesel). Prices last refreshed at 9:31pm on 19 August 2026.

The cheapest reported unleaded petrol (E10) in Cardiff is 158.9p per litre at BP, Nant Garw Hill, Cardiff, Mid Glamorgan. The average across 23 forecourts currently reporting this grade is 162.2p per litre, so choosing the cheapest rather than an average-priced forecourt saves about £1.65 on a 50-litre fill. That local average is 0.9p per litre above the UK average of 161.3p.

The average is unchanged since yesterday. The average has fallen 0.1p per litre since last week.

Prices last refreshed at 9:31pm on 19 August 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.

At 158.9p per litre, the cheapest unleaded in Cardiff is the highest we have recorded here in 4 weeks. The Cardiff average has held steady over the past week.

Unleaded Prices

Unleaded (E10)

Highest: 164.9p/lapprox. £7.50/gal
Average: 162.2p/lapprox. £7.37/gal
Lowest: 158.9p/lapprox. £7.22/gal

Diesel Prices

Diesel (B7)

Highest: 185.9p/lapprox. £8.45/gal
Average: 181.2p/lapprox. £8.24/gal
Lowest: 174.9p/lapprox. £7.95/gal

Premium Unleaded Prices

Premium Unleaded (E5)

Highest: 184.9p/lapprox. £8.41/gal
Average: 177.9p/lapprox. £8.09/gal
Lowest: 170.9p/lapprox. £7.77/gal

Super Diesel Prices

Super Diesel (SDV)

Highest: 205.9p/lapprox. £9.36/gal
Average: 197.9p/lapprox. £9.00/gal
Lowest: 198.9p/lapprox. £9.04/gal

All forecourts in Cardiff

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23 forecourts in Cardiff, with live prices and full addresses. Showing 1 to 15.

Cheapest unleaded e10BP

Nant Garw Hill, Cardiff, Mid Glamorgan · CF15 7UN

Usually cheapest 11am to noon, priciest 4pm to 9pm here

Cheapest petrol and diesel prices in Cardiff

All forecourts in Cardiff

Questions about fuel prices in Cardiff