Porthmadog petrol prices compared across 4 forecourts. Find the cheapest petrol in Porthmadog right now — we update prices throughout the day so you always get the best price on fuel in Porthmadog, Gwynedd.
| Station | Unleaded | 7d | Diesel | 7d |
|---|---|---|---|---|
| ESSAR ⚠️ | 155.9p | — | 178.9p | — |
| TESCO S/mkt | 155.9p | — | 177.9p | -1 |
| SHELL | 157.9p | -2 | 179.9p | -2 |
| Glanaber Garage ⚠️ | 162.9p | — | 188.9p | — |
⚠️ One or more stations have not reported prices in over 7 days — prices shown may be out of date.