Live prices
Cheapest diesel (B7) in Porthmadog
3 stations reporting diesel (B7), ranked cheapest first.
The cheapest reported diesel (B7) in Porthmadog is 167.9p per litre at TESCO, TESCO STORES LTD, STRYD FAWR, PORTHMADOG (LL49 9NU). The average across 3 forecourts currently reporting this grade is 175.2p per litre, so choosing the cheapest rather than an average-priced forecourt saves about £3.65 on a 50-litre fill. That local average is 3.5p per litre below the UK average of 178.7p.
The average is unchanged since yesterday. The average has risen 3.0p per litre since last week.
Prices last refreshed at 9:31pm on 30 July 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
| Station | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|
| TESCO (LL49 9NU)24hTESCO STORES LTD, STRYD FAWR, PORTHMADOG | 149.9p | 167.9p | 160.9p | -- | 10 mins ago |
| GLANABER GARAGE (LL49 9TP)GLANABER GARAGE, BORTH-Y-GEST, PORTHMADOG, LL49 9TP, PORTHMADOG | 155.9p | 175.9p | -- | -- | 10 mins ago |
| SHELL (LL49 9LU)HIGH STREET, PORTHMADOG, GWYNEDD | 161.9p | 181.9p | 185.9p | 199.9p | 10 mins ago |
Prices are supplied through the official UK Government fuel price open data scheme (Open Government Licence v3.0) and checked every 30 minutes. Only stations reporting diesel (B7) appear here.
Search a postcode
Questions about diesel (B7) in Porthmadog
- Where is the cheapest diesel (B7) in Porthmadog?
- The cheapest reported diesel (B7) in Porthmadog is 167.9p per litre at TESCO, TESCO STORES LTD, STRYD FAWR, PORTHMADOG (LL49 9NU). The average across 3 forecourts reporting this grade is 175.2p per litre. Prices were last refreshed at 9:31pm on 30 July 2026 from official UK Government fuel price data.
- How many stations in Porthmadog sell diesel (B7)?
- 3 forecourts in Porthmadog currently report a price for diesel (B7) through the official UK fuel price open data scheme. Stations that do not sell or report this grade are not counted.