Cheapest Petrol Prices in Swansea
Last updated: · 20 stations tracked
Cheapest Petrol (E10)
149.9p
per litre · avg 152.59p
Cheapest Diesel (B7)
159.9p
per litre · avg 164.04p
Compare live petrol and diesel prices across 20 fuel stations in Swansea. Prices are sourced from the UK Government's official fuel price database and updated every hour. The cheapest petrol in Swansea today is 149.9p per litre, available at SAINSBURYS SWANSEA.
Supermarket forecourts — including Tesco, Asda, and Sainsbury's — typically offer the lowest prices in Swansea. Motorway services and branded stations (BP, Shell, Esso) often charge a premium. Use the table below to find the best deal near you.
Fuel Station Prices in Swansea
| Station | Unleaded (E10) | Diesel (B7) | Super Unleaded | Premium Diesel |
|---|---|---|---|---|
| SAINSBURYS SWANSEA | 149.9p | 160.9p | 161.9p | — |
| EG PORT TENNANT PFS | 152.9p | 162.9p | 172.9p | 182.9p |
| Broadway service station | 152.9p | 162.9p | — | — |
| SHELL SKETTY | 152.9p | 164.9p | 174.9p | 189.9p |
| MFG MORRISONS SWANSEA | 151.9p | 161.9p | 165.9p | — |
| MFG CONWAY (SWANSEA) | 151.9p | 162.9p | 165.9p | 179.9p |
| MFG TAWE | 152.9p | 164.9p | 165.9p | 179.9p |
| EG SWANSEA CARMARTHEN PFS | 152.9p | 162.9p | 172.9p | — |
| TGC - EAGLE | 152.9p | 164.9p | 173.9p | — |
| MFG MUMBLES | 151.9p | 161.9p | 165.9p | 179.9p |
| NTS KILLAY SERVICE STATION | 151.9p | 164.9p | — | 179.9p |
| SWANSEA CADLE EXTRA - PETROL FILLING STATION | 149.9p | 159.9p | 160.9p | — |
| EG MORRISTON PFS | 153.9p | 167.9p | 173.9p | 184.9p |
| SWANSEA LLANSAMLET EXTRA - PETROL FILLING STATION | 151.9p | 164.9p | 162.9p | — |
| ASDA SWANSEA SUPERSTORE | 150.7p | 161.7p | — | — |
| RONTEC MORRISTON | 153.9p | 167.9p | 172.9p | 186.9p |
| MFG DUNVANT | 151.9p | 164.9p | 169.9p | 185.9p |
| TGC - LLANSAMLET | 152.9p | 169.9p | 173.9p | 190.9p |
| SHELL SWANSEA BAY | 155.9p | 161.9p | 179.9p | 189.9p |
| RONTEC CROSS | 155.9p | 165.9p | — | 184.9p |
Frequently Asked Questions
What is the cheapest petrol price in Swansea?
The cheapest petrol in Swansea is currently 149.9p per litre as of 18 July 2026. The average across all stations is 152.59p.
Which supermarket has the cheapest fuel in Swansea?
Tesco, Asda, and Sainsbury's supermarket forecourts typically offer the lowest fuel prices in Swansea. Check the price table above to compare all stations including branded and independent retailers.
How often are fuel prices updated for Swansea?
Prices are updated hourly from the UK Government's mandatory fuel price reporting scheme, which requires all fuel retailers with 6 or more sites to submit prices every 30 minutes.