Compare Shell petrol and diesel prices across forecourts in and around Caernarfon, Conwy. Cheapest unleaded from 171.9p, diesel from 196.9p. Updated today, 23 October 2026.
| Forecourt | Unleaded | Diesel | Distance |
|---|---|---|---|
| Gwalia Garage Caernarfon Limited GWALIA GARAGE LTD |
171.9p | 196.9p | 0.9 mi |