Home › Porthmadog
3 Stations
Petrol Prices in Porthmadog
Average today: unleaded 165.2p · diesel 188.6p ·
UK average 167.7p / 189.2p
Checked 10 September 2026 · retailer-reported prices, changes filed within 30 minutes
Porthmadog trend: Unleaded ▲ 4.3p · 7d · Diesel ▲ 3.0p · 7d
The cheapest unleaded in Porthmadog today is 161.9p
at Glanaber Garage, Glanaber Garage. Filling a 55-litre tank at the cheapest station instead of the priciest saves about £4.40.
Search Another Area