What is the cheapest petrol in Cardiff today?

The cheapest petrol in Cardiff is 171.9p per litre at Valero PGG HADFIELD RD, based on 23 stations with live prices. Unleaded (E10) averages 174.8p per litre.

What is the cheapest diesel in Cardiff today?

The cheapest diesel in Cardiff is 196.7p per litre at Asda ASDA LECKWITH ROAD SUPERSTORE, based on 23 stations with live prices. Diesel averages 200.2p per litre.

Are supermarket petrol stations cheaper in Cardiff?

Yes. Supermarket forecourts in Cardiff currently average 174.2p per litre for unleaded, 1.3p less than the 175.5p average at branded and independent stations.

Cardiff Fuel Prices

Find the cheapest petrol and diesel in Cardiff. Compare live prices from local fuel stations, updated hourly from the official Fuel Finder feed.

Fuel price answer

cheapest petrol and diesel in Cardiff

As of 8 October 2026, the cheapest unleaded petrol in Cardiff is 171.9p/L at Valero PGG HADFIELD RD, the cheapest diesel in Cardiff is 196.7p/L at Asda ASDA LECKWITH ROAD SUPERSTORE. Across 24 stations, unleaded averages 174.8p/L and diesel 200.2p/L. Supermarket forecourts in Cardiff average 1.3p/L less than branded stations for unleaded.

Unleaded (E10)

171.9p cheapest

Avg 174.8pHigh 176.9pSpread 5.0p23 priced

Diesel

196.7p cheapest

Avg 200.2pHigh 203.9pSpread 7.2p23 priced

Cheapest Unleaded (E10) in Cardiff

1. Valero — PGG HADFIELD RD · CARDIFF171.9p
2. Asda — ASDA CARDIFF CORYTON SUPERCENTRE · CARDIFF172.7p
3. Tesco — CARDIFF TYN-Y-PARC EXPRESS · CARDIFF172.9p
4. Asda — ASDA CARDIFF BAY SUPERSTORE · CARDIFF172.9p
5. BP — RONTEC PENRHOS · CARDIFF172.9p

Cheapest Diesel in Cardiff

1. Asda — ASDA LECKWITH ROAD SUPERSTORE · CARDIFF196.7p
2. Tesco — CARDIFF EXTRA - PETROL FILLING STATION · CARDIFF196.9p
3. Tesco — CULVERHOUSE CROSS EXTRA - PETROL FILLING STATION · CARDIFF196.9p
4. Asda — ASDA CARDIFF BAY SUPERSTORE · CARDIFF196.9p
5. Asda — ASDA CARDIFF CORYTON SUPERCENTRE · CARDIFF198.7p

Data freshness

Updated 7 Oct 2026, 14:13

Methodology

PetrolPal groups stations by country, region, and city from postcode-derived location data. Local pages are designed to help drivers compare nearby petrol and diesel prices before choosing where to fill up.

Citation

Source: PetrolPal, using official UK forecourt fuel price data. Cite: https://petrolpal.co.uk/fuel-prices/wales/cardiff

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About Cardiff Fuel Prices

PetrolPal tracks live fuel prices in Cardiff using official UK Government data, updated hourly. Compare petrol and diesel prices from supermarkets, branded stations, and independents to find the cheapest fuel near you.

Prices in Cardiff are based on stations in the Wales. View the Cardiff statistics page for detailed price analytics including brand averages, price distribution, and historical trends.

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