Fuel prices in Porthmadog

Compare current petrol, diesel, super unleaded and premium diesel prices across 4 Porthmadog forecourts. Start with local averages, then use the map and table to compare like with like.

Current local averages

Four fuel grades, kept separate so every comparison stays useful.

Petrol (E10)

175.9p/l

1.8p above UK average

Diesel (B7)

201.7p/l

2.6p above UK average

Super unleaded (E5)

192.9p/l

1p above UK average

Premium diesel (SDV)

219.9p/l

1.6p above UK average

4 forecourts reporting locallyPrices checked 20 Oct 2026, 06:40

Live local prices

Current fuel prices in Porthmadog

4 forecourts in Porthmadog. Petrol (E10) is selected initially; choose another grade to compare like with like. Distances are measured from Porthmadog centre.

Rank table byPetrol (E10) price

Prices checked 20 Oct 2026, 06:40. Individual rows show when that forecourt price was reported.

Current fuel prices in Porthmadog. Ranked by Petrol (E10) price.
Forecourt	Postcode and report	Petrol(E10), selected ranking	Diesel(B7)	Super unleaded(E5)	Premium diesel(SDV)	Distancefrom Porthmadog centre	Opening times	Actions
1Porthmadog Superstore - Petrol Filling StationTesco	LL49 9NUReported 24 Sept 2026, 16:08	174.9pCheapest	199.9pCheapest	185.9pCheapest	-	Distance: 0.3 mi	Open 24 hoursMonday - Sunday: 24 hours; Bank holidays: 24 hours	Details
2EMadog Garage / Hamdden Caravans LtdEssar	LL49 9NYReported 22 Sept 2026, 07:45	174.9pCheapest	199.9pCheapest	-	-	Distance: 0.4 mi	07:30 - 20:00 dailyMonday - Sunday: 07:30 - 20:00; Bank holidays: 07:30 - 20:00	Details
3Mfg PorthmadogShell	LL49 9LUReported 14 Oct 2026, 22:36	175.9p	202.9p	199.9p	219.9pCheapest	Distance: 0.3 mi	06:00 - 23:00 dailyMonday - Sunday: 06:00 - 23:00; Bank holidays: 06:00 - 23:00	Details
4Glanaber GarageIndependent forecourt	LL49 9TPReported 28 Sept 2026, 08:29	177.9p	203.9p	-	-	Distance: 0.5 mi	Hours vary by dayMonday: 08:30 - 17:00; Tuesday: 08:30 - 17:00; Wednesday: 08:30 - 17:00; Thursday: 08:30 - 17:00; Friday: 08:30 - 17:00; Saturday: 09:00 - 13:00; Sunday: 00:00 - 00:00; Bank holidays: 10:00 - 14:00	Details

How to read this page

About fuel prices in Porthmadog

Coverage, freshness and comparison scope matter as much as the headline price.

Porthmadog has 4 forecourts included on this page, with current prices available from 4. The table initially ranks forecourts by current petrol (E10) price. Choose another fuel grade to compare like with like; distance and station name order equal or unavailable prices. Station status, distance and update freshness remain visible for comparison.

This page compares Petrol, Diesel, Super unleaded and Premium diesel using official UK Fuel Finder data, local averages, regional benchmarks and UK average comparisons where coverage is available.

Thirty-day evidence

How local fuel prices are moving

Daily local averages by fuel grade. The complete daily values remain available in the page even when the chart is enhanced.

221p196p171p

Petrol (E10) in Porthmadog: 172.9p/l average on 20 September 2026.
Petrol (E10) in Porthmadog: 172.9p/l average on 21 September 2026.
Petrol (E10) in Porthmadog: 174.7p/l average on 22 September 2026.
Petrol (E10) in Porthmadog: 174.7p/l average on 23 September 2026.
Petrol (E10) in Porthmadog: 175.4p/l average on 24 September 2026.
Petrol (E10) in Porthmadog: 175.7p/l average on 25 September 2026.
Petrol (E10) in Porthmadog: 175.7p/l average on 26 September 2026.
Petrol (E10) in Porthmadog: 175.9p/l average on 27 September 2026.
Petrol (E10) in Porthmadog: 176.4p/l average on 28 September 2026.
Petrol (E10) in Porthmadog: 176.4p/l average on 29 September 2026.
Petrol (E10) in Porthmadog: 176.4p/l average on 30 September 2026.
Petrol (E10) in Porthmadog: 176.4p/l average on 1 October 2026.
Petrol (E10) in Porthmadog: 176.4p/l average on 2 October 2026.
Petrol (E10) in Porthmadog: 176.4p/l average on 3 October 2026.
Petrol (E10) in Porthmadog: 176.4p/l average on 4 October 2026.
Petrol (E10) in Porthmadog: 176.4p/l average on 5 October 2026.
Petrol (E10) in Porthmadog: 176.4p/l average on 6 October 2026.
Petrol (E10) in Porthmadog: 176.4p/l average on 7 October 2026.
Petrol (E10) in Porthmadog: 176.4p/l average on 8 October 2026.
Petrol (E10) in Porthmadog: 176.4p/l average on 9 October 2026.
Petrol (E10) in Porthmadog: 176.4p/l average on 10 October 2026.
Petrol (E10) in Porthmadog: 176.4p/l average on 11 October 2026.
Petrol (E10) in Porthmadog: 176.4p/l average on 12 October 2026.
Petrol (E10) in Porthmadog: 176.4p/l average on 13 October 2026.
Petrol (E10) in Porthmadog: 175.9p/l average on 14 October 2026.
Petrol (E10) in Porthmadog: 175.9p/l average on 15 October 2026.
Petrol (E10) in Porthmadog: 175.9p/l average on 16 October 2026.
Petrol (E10) in Porthmadog: 175.9p/l average on 17 October 2026.
Petrol (E10) in Porthmadog: 175.9p/l average on 18 October 2026.
Petrol (E10) in Porthmadog: 175.9p/l average on 19 October 2026.
Diesel (B7) in Porthmadog: 197.4p/l average on 20 September 2026.
Diesel (B7) in Porthmadog: 197.4p/l average on 21 September 2026.
Diesel (B7) in Porthmadog: 199.7p/l average on 22 September 2026.
Diesel (B7) in Porthmadog: 199.9p/l average on 23 September 2026.
Diesel (B7) in Porthmadog: 200.7p/l average on 24 September 2026.
Diesel (B7) in Porthmadog: 200.9p/l average on 25 September 2026.
Diesel (B7) in Porthmadog: 200.9p/l average on 26 September 2026.
Diesel (B7) in Porthmadog: 200.9p/l average on 27 September 2026.
Diesel (B7) in Porthmadog: 202.2p/l average on 28 September 2026.
Diesel (B7) in Porthmadog: 202.2p/l average on 29 September 2026.
Diesel (B7) in Porthmadog: 202.2p/l average on 30 September 2026.
Diesel (B7) in Porthmadog: 202.2p/l average on 1 October 2026.
Diesel (B7) in Porthmadog: 202.2p/l average on 2 October 2026.
Diesel (B7) in Porthmadog: 202.2p/l average on 3 October 2026.
Diesel (B7) in Porthmadog: 202.2p/l average on 4 October 2026.
Diesel (B7) in Porthmadog: 202.2p/l average on 5 October 2026.
Diesel (B7) in Porthmadog: 202.2p/l average on 6 October 2026.
Diesel (B7) in Porthmadog: 202.2p/l average on 7 October 2026.
Diesel (B7) in Porthmadog: 202.2p/l average on 8 October 2026.
Diesel (B7) in Porthmadog: 202.2p/l average on 9 October 2026.
Diesel (B7) in Porthmadog: 202.2p/l average on 10 October 2026.
Diesel (B7) in Porthmadog: 202.2p/l average on 11 October 2026.
Diesel (B7) in Porthmadog: 202.2p/l average on 12 October 2026.
Diesel (B7) in Porthmadog: 201.9p/l average on 13 October 2026.
Diesel (B7) in Porthmadog: 201.7p/l average on 14 October 2026.
Diesel (B7) in Porthmadog: 201.7p/l average on 15 October 2026.
Diesel (B7) in Porthmadog: 201.7p/l average on 16 October 2026.
Diesel (B7) in Porthmadog: 201.7p/l average on 17 October 2026.
Diesel (B7) in Porthmadog: 201.7p/l average on 18 October 2026.
Diesel (B7) in Porthmadog: 201.7p/l average on 19 October 2026.
Super unleaded (E5) in Porthmadog: 188.4p/l average on 20 September 2026.
Super unleaded (E5) in Porthmadog: 188.4p/l average on 21 September 2026.
Super unleaded (E5) in Porthmadog: 189.4p/l average on 22 September 2026.
Super unleaded (E5) in Porthmadog: 189.4p/l average on 23 September 2026.
Super unleaded (E5) in Porthmadog: 190.9p/l average on 24 September 2026.
Super unleaded (E5) in Porthmadog: 190.9p/l average on 25 September 2026.
Super unleaded (E5) in Porthmadog: 190.9p/l average on 26 September 2026.
Super unleaded (E5) in Porthmadog: 190.9p/l average on 27 September 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 28 September 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 29 September 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 30 September 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 1 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 2 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 3 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 4 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 5 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 6 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 7 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 8 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 9 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 10 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 11 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 12 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 13 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 14 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 15 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 16 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 17 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 18 October 2026.
Super unleaded (E5) in Porthmadog: 192.9p/l average on 19 October 2026.
Premium diesel (SDV) in Porthmadog: 215.9p/l average on 20 September 2026.
Premium diesel (SDV) in Porthmadog: 215.9p/l average on 21 September 2026.
Premium diesel (SDV) in Porthmadog: 215.9p/l average on 22 September 2026.
Premium diesel (SDV) in Porthmadog: 215.9p/l average on 23 September 2026.
Premium diesel (SDV) in Porthmadog: 215.9p/l average on 24 September 2026.
Premium diesel (SDV) in Porthmadog: 215.9p/l average on 25 September 2026.
Premium diesel (SDV) in Porthmadog: 215.9p/l average on 26 September 2026.
Premium diesel (SDV) in Porthmadog: 215.9p/l average on 27 September 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 28 September 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 29 September 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 30 September 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 1 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 2 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 3 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 4 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 5 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 6 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 7 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 8 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 9 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 10 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 11 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 12 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 13 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 14 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 15 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 16 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 17 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 18 October 2026.
Premium diesel (SDV) in Porthmadog: 219.9p/l average on 19 October 2026.

What the local trend means

Porthmadog 30-day trends show petrol up 3p, diesel up 4.3p and super unleaded up 4.5p. The widest current local spread is 14p/l on super unleaded (e5), so comparing forecourts can materially change the pump price.

Price range and benchmarks

What choosing a cheaper forecourt could change

The average comparison is the more realistic decision baseline. The highest-price comparison is only the maximum currently listed difference.

Petrol (E10)

3p/l range

174.9p/l cheapest, 177.9p/l highest

Cheapest vs average: £0.55 less than the local average on a 55-litre fill
Full listed range: £1.65 maximum listed difference on a 55-litre fill

Diesel (B7)

4p/l range

199.9p/l cheapest, 203.9p/l highest

Cheapest vs average: £0.99 less than the local average on a 55-litre fill
Full listed range: £2.20 maximum listed difference on a 55-litre fill

Super unleaded (E5)

14p/l range

185.9p/l cheapest, 199.9p/l highest

Cheapest vs average: £3.85 less than the local average on a 55-litre fill
Full listed range: £7.70 maximum listed difference on a 55-litre fill

Premium diesel (SDV)

0p/l range

219.9p/l cheapest, 219.9p/l highest

Cheapest vs average: £0.00 less than the local average on a 55-litre fill
Full listed range: £0.00 maximum listed difference on a 55-litre fill

Porthmadog compared with regional and UK fuel prices

Every row compares the same grade locally, regionally and nationally.

Porthmadog compared with regional and UK fuel prices
Fuel grade	Local average	Region	UK	Versus UK
Petrol (E10)	175.9	173.6	174.1	1.8p higher
Diesel (B7)	201.7	198.8	199.1	2.6p higher
Super unleaded (E5)	192.9	190.3	191.9	1p higher
Premium diesel (SDV)	219.9	217.1	218.3	1.6p higher

Porthmadog is above the UK average across the available fuel benchmarks, so the cheapest forecourt rows matter more than the local average alone.

Local forecourt market

Supermarket, major-brand and independent fuel prices in Porthmadog

A compact local comparison of supermarkets, major brands and independents. Follow a qualifying brand into its full UK comparison.

Forecourt-type averages

Lowest current category average for each fuel grade is highlighted.

Petrol (E10)

Supermarkets: 174.9p/l
Major brands: 175.4p/l
Independent forecourts: 177.9p/l

Diesel (B7)

Supermarkets: 199.9p/l
Major brands: 201.4p/l
Independent forecourts: 203.9p/l

Super unleaded (E5)

Supermarkets: 185.9p/l
Major brands: 199.9p/l
Independent forecourts: No price

Premium diesel (SDV)

Supermarkets: No price
Major brands: 219.9p/l
Independent forecourts: No price

Qualifying named-brand observations

Tesco1 forecourt174.9p/lPetrol (E10)
Shell1 forecourt175.9p/lPetrol (E10)
Independent forecourts1 forecourt177.9p/lPetrol (E10)

At category level, the lowest current averages come from supermarkets for Petrol (E10), Diesel (B7) and Super unleaded (E5) and major brands for Premium diesel (SDV). Among the named operators, the lowest current averages are Tesco for Petrol (E10) at 174.9p/l, Diesel (B7) at 199.9p/l and Super unleaded (E5) at 185.9p/l and Shell for Premium diesel (SDV) at 219.9p/l. Supermarket prices are 0.5p/l above their 30-day averages on average and major-brand prices are 0.1p/l above their 30-day averages on average. The independent comparison covers 1 forecourt reporting Petrol (E10) and Diesel (B7), so its averages should be read with that coverage in mind.

Local context

Compare the wider local market

Nearby places and named local areas add useful context, but the forecourt table remains the decision source for the journey you are making.

Fuel prices in nearby locations

Compare petrol and diesel separately in nearby locations.

Areas with the lowest average fuel prices in Porthmadog

1Garth3 forecourts, Petrol, Diesel, Super unleaded, Premium diesel192.7p/l

Premium fuel availability

Coverage and benchmark context for fuels that are not stocked at every forecourt.

Super unleaded availability

Super unleaded (E5) is available at a useful share of local forecourts in Porthmadog, with 2 of 4 forecourts reporting a current price.

Average: 192.9p/l
Reporting: 2 stations
Availability: 50% availability
Versus UK: 1p above UK average

Premium diesel availability

Premium diesel (SDV) is more limited locally than standard petrol and diesel in Porthmadog, with 1 of 4 forecourts reporting a current price.

Average: 219.9p/l
Reporting: 1 station
Availability: 25% availability
Versus UK: 1.6p above UK average

Good to know

Fuel price FAQs for Porthmadog

Use the current local evidence to choose a forecourt, compare nearby places and understand how coverage and freshness affect the figures.

What is the cheapest fuel price in Porthmadog today?

The cheapest listed petrol (E10) price in Porthmadog is 174.9p/l at Porthmadog Superstore - Petrol Filling Station. Check the table before travelling because distance, opening status and recent updates can affect the best choice.

How are Porthmadog fuel forecourts ranked?

Forecourts are ranked by their cheapest current fuel price first. If prices are tied or unavailable, the table uses distance and station name. Use the forecourt comparison to sort and inspect the current results.

Are fuel prices in Porthmadog below the UK average?

Petrol is above the UK average by 1.8p/l, Diesel is above the UK average by 2.6p/l, Super unleaded is above the UK average by 1p/l and Premium diesel is above the UK average by 1.6p/l. These comparisons use current location averages and the latest benchmark data available to the page.

How recent are the Porthmadog fuel prices on this page?

Prices checked 20 Oct 2026, 06:40. Individual prices can remain unchanged between checks until a retailer reports a price change.

Why do some Porthmadog forecourts not show every fuel price?

Not every forecourt reports every fuel type at the same time. The page shows available current prices first and keeps unavailable cells visible so gaps in coverage are clear.

Should I compare nearby locations before filling up in Porthmadog?

Nearby comparisons currently show Blaenau Ffestiniog at 187.3p/l, 10.3p/l cheaper than Porthmadog, Pwllheli at 196.1p/l, 1.5p/l cheaper than Porthmadog and Caernarfon at 185.6p/l, 12p/l cheaper than Porthmadog. Compare Blaenau Ffestiniog, Pwllheli, Caernarfon and Dolgellau.

How can I compare fuel prices around my current location?

Use cheapest petrol near me or cheapest diesel near me or cheapest super unleaded near me or cheapest premium diesel near me for a distance-led comparison based on your current position.

Built on real fuel-price data

Prices are sourced from the UK Government Fuel Finder scheme. Prices checked 20 Oct 2026, 06:40. See how we qualify and compare prices

Retailer reporting target: 30 minutes