What is the cheapest petrol in Swansea today?

The cheapest petrol in Swansea is 167.9p per litre at Tesco SWANSEA PONTARDAWE SUPERSTORE - PETROL FILLING STATION, based on 30 stations with live prices. Unleaded (E10) averages 174.3p per litre.

What is the cheapest diesel in Swansea today?

The cheapest diesel in Swansea is 196.9p per litre at Tesco SWANSEA PONTARDAWE SUPERSTORE - PETROL FILLING STATION, based on 29 stations with live prices. Diesel averages 199.7p per litre.

Are supermarket petrol stations cheaper in Swansea?

Yes. Supermarket forecourts in Swansea currently average 172.8p per litre for unleaded, 2.7p less than the 175.5p average at branded and independent stations.

Swansea Fuel Prices

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

Fuel price answer

cheapest petrol and diesel in Swansea

As of 2 October 2026, the cheapest unleaded petrol in Swansea is 167.9p/L at Tesco SWANSEA PONTARDAWE SUPERSTORE - PETROL FILLING STATION, the cheapest diesel in Swansea is 196.9p/L at Tesco SWANSEA PONTARDAWE SUPERSTORE - PETROL FILLING STATION. Across 31 stations, unleaded averages 174.3p/L and diesel 199.7p/L. Supermarket forecourts in Swansea average 2.7p/L less than branded stations for unleaded.

Unleaded (E10)

167.9p cheapest

Avg 174.3pHigh 197.9pSpread 30.0p30 priced

Diesel

196.9p cheapest

Avg 199.7pHigh 217.9pSpread 21.0p29 priced

Cheapest Unleaded (E10) in Swansea

1. Tesco — SWANSEA PONTARDAWE SUPERSTORE - PETROL FILLING STATION · SWANSEA167.9p
2. Texaco — Trebanos Service Station · Swansea167.9p
3. Texaco — BAGLAN SERVICE STATION · Swansea168.9p
4. Murco — Daniel Davies and sons Limited · Swansea169.9p
5. Texaco — VST PARKSTREET FILLING STATION · Swansea170.9p

Cheapest Diesel in Swansea

1. Tesco — SWANSEA PONTARDAWE SUPERSTORE - PETROL FILLING STATION · SWANSEA196.9p
2. Texaco — BAGLAN SERVICE STATION · Swansea196.9p
3. Texaco — Trebanos Service Station · Swansea196.9p
4. Texaco — TGC - LLANSAMLET · SWANSEA196.9p
5. Murco — KNELSTON SERVICE STATION · Swansea196.9p

Data freshness

Updated 1 Oct 2026, 22:47

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/swansea

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About Swansea Fuel Prices

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

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