What is the cheapest petrol in Casnewydd today?

The cheapest petrol in Casnewydd is 171.9p per litre at Gulf Hillcroft Stores, based on 4 stations with live prices. Unleaded (E10) averages 173.4p per litre.

What is the cheapest diesel in Casnewydd today?

The cheapest diesel in Casnewydd is 199.9p per litre at Esso Esso Sinclair garages, based on 1 stations with live prices. Diesel averages 199.9p per litre.

Are supermarket petrol stations cheaper in Casnewydd?

Yes. Supermarket forecourts in Casnewydd currently average 172.9p per litre for unleaded, 0.7p less than the 173.6p average at branded and independent stations.

Casnewydd Fuel Prices

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

Fuel price answer

cheapest petrol and diesel in Casnewydd

As of 2 November 2026, the cheapest unleaded petrol in Casnewydd is 171.9p/L at Gulf Hillcroft Stores, the cheapest diesel in Casnewydd is 199.9p/L at Esso Esso Sinclair garages. Across 6 stations, unleaded averages 173.4p/L and diesel 199.9p/L. Supermarket forecourts in Casnewydd average 0.7p/L less than branded stations for unleaded.

Unleaded (E10)

171.9p cheapest

Avg 173.4pHigh 174.9pSpread 3.0p4 priced

Diesel

199.9p cheapest

Avg 199.9pHigh 199.9pSpread 0.0p1 priced

Cheapest Unleaded (E10) in Casnewydd

1. Gulf — Hillcroft Stores · CASNEWYDD171.9p
2. Tesco — NEWPORT EXTRA - PETROL FILLING STATION · CASNEWYDD172.9p
3. Esso — NEWPORT CHEPSTOW RD ESSO EXPRESS · CASNEWYDD173.9p
4. Spar — BR Ponthir · CASNEWYDD174.9p

Cheapest Diesel in Casnewydd

1. Esso — Esso Sinclair garages · CASNEWYDD199.9p

Data freshness

Updated 30 Oct 2026, 14:40

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/casnewydd

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About Casnewydd Fuel Prices

PetrolPal tracks live fuel prices in Casnewydd 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 Casnewydd are based on stations in the Wales. View the Casnewydd statistics page for detailed price analytics including brand averages, price distribution, and historical trends.

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