Fuel prices in Porthmadog
3 forecourts, sorted by cheapest petrol. 1 price cuts since yesterday. Updated 14 Oct 2026, 16:39 BST.
Cheapest petrol
174.9p
Cheapest diesel
199.9p
Forecourts
3
| Forecourt | Petrol E10 | Diesel |
|---|---|---|
| Porthmadog Superstore Tesco · Porthmadog | 174.9p 0.0 | 199.9p 0.0 |
| Glanaber Garage Glanaber Garage · Porthmadog | 177.9p 0.0 | 203.9p 0.0 |
| MFG Porthmadog Shell · Porthmadog | 177.9p 0.0 | 203.9p ▼ 1.0p |