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 ⚠️ | 151.9p | — | 184.9p | — |
| TESCO S/mkt | 153.9p | +4 | 183.9p | +2 |
| Glanaber Garage ⚠️ | 156.9p | — | 194.9p | — |
| SHELL | 156.9p | — | 191.9p | -3 |
⚠️ One or more stations have not reported prices in over 7 days — prices shown may be out of date.