Cheapest Fuel in Porthmadog
Gwynedd · 7 stations within 5 miles
Prices may have moved since, so check before you travel.
Stations near Porthmadog
Stations here change their unleaded price every 6 days on average.
Stations here change their diesel price every 7 days on average.
| Station | Unleaded | Diesel | Distance |
|---|---|---|---|
| 168.9p | 196.9p | 0.3 mi | |
| 168.9p | 199.9p | 0.3 mi | |
| 168.9p | 195.9p | 4.3 mi | |
| 169.9p | 196.9p | 0.4 mi | |
| 172.9p | 201.9p | 0.5 mi | |
| 176.9p | 203.9p | 4.3 mi | |
|
Allan Green
Over a month
Allan Green, Park Road Garage, Penrhyndeudraeth, LL48 6LS, Penrhyndeudraeth
|
177.9poldLast reported 41 days ago | 203.9poldLast reported 41 days ago | 3.1 mi |
old: last reported more than a month ago.
Premium fuel and the price spread in Porthmadog
How far apart prices are
Cheapest to dearest is 8.0p a litre. Choosing well saves £4.40 on a 55 litre fill.
Porthmadog Superstore 0.3 mi
Cheapest to dearest is 8.0p a litre. Choosing well saves £4.40 on a 55 litre fill.
Parciau Filling Station 4.3 mi
Premium grades
Porthmadog Superstore, 0.3 mi.
Super unleaded costs 11.0p a litre more than unleaded here.
Parciau Filling Station, 4.3 mi (last reported 3 days ago).
Super diesel costs 15.0p a litre more than diesel here.
Prices in Porthmadog over time
Average unleaded price in Porthmadog each day over the last 30 days, against the UK average
The line is the average of the prices on record each day; the figures below compare the same stations on both dates.
Figures to 2 November 2026.
Unleaded in Porthmadog is down 3.4p this week. It is down 5.7p over 30 days and up 12.2p over 90 days.
Diesel in Porthmadog is down 1.3p this week. It is down 3.3p over 30 days and up 19.7p over 90 days.
Most often cheapest
Parciau Filling Station has been the cheapest diesel in Porthmadog on 39 of the last 90 days.
Worth a drive from Porthmadog?
Prices in the nearest towns, measured from the town centre, after the fuel the round trip itself burns at typical mpg.
No town near Porthmadog beats it on unleaded once you count the drive.
No town near Porthmadog beats it on diesel once you count the drive.
Open 24 hours in Porthmadog
1 of the stations within 5 miles is open around the clock.
The cheapest 24-hour unleaded is Porthmadog Superstore at 168.9p, 0.3 mi.
The cheapest 24-hour diesel is Porthmadog Superstore at 196.9p (last reported 4 days ago), 0.3 mi.
Facilities in Porthmadog
Across the stations within 5 miles. AdBlue pumps, LPG and HVO are the hard ones to find, so those name a station.
-
AdBlue (packaged) 5 stations
-
Car wash 4 stations
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Toilets 4 stations
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Air pump / screenwash 6 stations
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Water filling 5 stations
Mapped by volunteers
- At least 1 station has pay at pump.
Volunteers map these, so treat each count as a floor rather than the whole picture.
Some of these details come from OpenStreetMap, © OpenStreetMap contributors, under the Open Database Licence.
Something to eat near the cheapest
At or near the three cheapest unleaded forecourts in Porthmadog.
- Porthmadog Superstore: Tesco Stores Limited on site, rated 5 for food hygiene (inspected Jun 2026).
- MFG Porthmadog: The Port Cafe, Deli & Restaurant, 0.0 mi away, rated 5 for food hygiene (inspected Nov 2025). Check opening hours
- Parciau Filling Station: Spar Criccieth on site, rated 4 for food hygiene (inspected Apr 2026).
Hygiene ratings: Food Standards Agency. About this data.
Brands in Porthmadog
1 of 7 stations is a supermarket forecourt.
Sorted by average unleaded
-
Essar 2 stations
Average unleaded 173.4p (on prices reported over the last 9 days); cheapest Madog Garage / Hamdden Caravans Ltd at 169.9p (last reported 4 days ago), 0.4 mi
Average diesel 200.4p (on prices reported over the last 9 days); cheapest Madog Garage / Hamdden Caravans Ltd at 196.9p (last reported 4 days ago), 0.4 mi
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Shell 1 station
Unleaded at MFG Porthmadog: 168.9p (last reported 3 days ago), 0.3 mi
Diesel at MFG Porthmadog: 199.9p (last reported 3 days ago), 0.3 mi
-
Spar 1 station
Unleaded at Parciau Filling Station: 168.9p (last reported 3 days ago), 4.3 mi
Diesel at Parciau Filling Station: 195.9p (last reported 3 days ago), 4.3 mi
-
Tesco 1 station
Unleaded at Porthmadog Superstore: 168.9p, 0.3 mi
Diesel at Porthmadog Superstore: 196.9p (last reported 4 days ago), 0.3 mi
-
Independent and unbranded 1 station
Loyalty schemes
- Shell GO+ members collect points on fuel at participating Shell forecourts by scanning the Shell App, a GO+ card or a key fob at the till, or by paying in the app at the pump.
- Tesco Clubcard holders collect points on fuel by scanning their card or the Tesco app when they pay, at Tesco petrol stations and at Esso sites with a Tesco Express.
Schemes change and not every forecourt takes part, so check with the retailer before you count on one.
Common questions about fuel in Porthmadog
How much is unleaded in Porthmadog?
The cheapest unleaded in Porthmadog is 168.9p a litre at Porthmadog Superstore. That is 2.8p below the UK average. Across the stations within 5 miles, unleaded runs from 168.9p to 176.9p a litre.
How much is diesel in Porthmadog?
The cheapest diesel in Porthmadog is 195.9p a litre at Parciau Filling Station (last reported 3 days ago). That is 2.5p below the UK average. Across the stations within 5 miles, diesel runs from 195.9p to 203.9p a litre.
Which station is cheapest for unleaded in Porthmadog?
Right now Porthmadog Superstore has the cheapest unleaded in Porthmadog, at 168.9p a litre. It is 0.3 miles from the centre.
Are there 24-hour petrol stations in Porthmadog?
Yes. 1 of the stations within 5 miles is open 24 hours. The cheapest 24-hour unleaded is at Porthmadog Superstore, 0.3 miles from the centre, for 168.9p a litre. The cheapest 24-hour diesel is at Porthmadog Superstore, 0.3 miles from the centre, for 196.9p a litre (last reported 4 days ago).
Are prices in Porthmadog going up or down?
Unleaded in Porthmadog is down 3.4p this week and down 5.7p over 30 days. Diesel in Porthmadog is down 1.3p this week and down 3.3p over 30 days. Figures to 2 November 2026.