What is the cheapest petrol in Casnewydd today?

The cheapest petrol in Casnewydd is 173.9p per litre at Tesco NEWPORT EXTRA - PETROL FILLING STATION, based on 5 stations with live prices. Unleaded (E10) averages 175.9p per litre.

What is the cheapest diesel in Casnewydd today?

The cheapest diesel in Casnewydd is 195.9p per litre at Tesco NEWPORT EXTRA - PETROL FILLING STATION, based on 5 stations with live prices. Diesel averages 199.7p per litre.

Are supermarket petrol stations cheaper in Casnewydd?

Yes. Supermarket forecourts in Casnewydd currently average 173.9p per litre for unleaded, 2.5p less than the 176.4p 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 October 2026, the cheapest unleaded petrol in Casnewydd is 173.9p/L at Tesco NEWPORT EXTRA - PETROL FILLING STATION, the cheapest diesel in Casnewydd is 195.9p/L at Tesco NEWPORT EXTRA - PETROL FILLING STATION. Across 6 stations, unleaded averages 175.9p/L and diesel 199.7p/L. Supermarket forecourts in Casnewydd average 2.5p/L less than branded stations for unleaded.

Unleaded (E10)

173.9p cheapest

Avg 175.9pHigh 178.9pSpread 5.0p5 priced

Diesel

195.9p cheapest

Avg 199.7pHigh 200.9pSpread 5.0p5 priced

Cheapest Unleaded (E10) in Casnewydd

1. Tesco — NEWPORT EXTRA - PETROL FILLING STATION · CASNEWYDD173.9p
2. Gulf — Hillcroft Stores · CASNEWYDD173.9p
3. Esso — NEWPORT CHEPSTOW RD ESSO EXPRESS · CASNEWYDD175.9p
4. Spar — BR Ponthir · CASNEWYDD176.9p
5. Esso — Esso Sinclair garages · CASNEWYDD178.9p

Cheapest Diesel in Casnewydd

1. Tesco — NEWPORT EXTRA - PETROL FILLING STATION · CASNEWYDD195.9p
2. Spar — BR Ponthir · CASNEWYDD199.9p
3. Esso — NEWPORT CHEPSTOW RD ESSO EXPRESS · CASNEWYDD200.9p
4. Gulf — Hillcroft Stores · CASNEWYDD200.9p
5. Esso — Esso Sinclair garages · CASNEWYDD200.9p

Data freshness

Updated 30 Sept 2026, 15:15

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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