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 | Location | Unleaded | Diesel | Super | Prem Diesel |
|---|---|---|---|---|---|
| ESSAR | PENAMSER GARAGE, PENAMSER ROAD, PORTHMADOG, LL49 9NY, LL49 9NY | 127.9p | 137.9p | — | — |
| TESCO Supermarket | TESCO STORES LTD, LL49 9NU | 128.9p | 141.9p | 138.9p | — |
| Glanaber Garage | GLANABER GARAGE, BORTH-Y-GEST, PORTHMADOG, LL49 9TP, LL49 9TP | 132.9p | 142.9p | — | — |
| SHELL | HIGH STREET, LL49 9LU | 133.9p | 145.9p | 165.9p | 175.9p |