Petrol (Unleaded) in Caernarfon costs from 164.5p to 167.5p a litre right now, 166.1p on average across 6 stations. Diesel in Caernarfon costs from 187.5p to 189.4p a litre right now, 188.2p on average across 6 stations.The cheapest is Murco - CAERNARFON, 13.5 km from the centre. Prices last updated 15:00 (Europe/London).
A 55-litre fill-up at the cheapest station in Caernarfon instead of the dearest one, and instead of the city average.
Supermarket forecourts in Caernarfon: Morrisons.
Calculated from the same live prices as the station table below — 7 stations in Caernarfon, at the update time shown above.
| Station | |||||
|---|---|---|---|---|---|
|
1
Murco - CAERNARFON
Murco · LL54 5PF
|
13.5 km | 1.875 | 1.645 | 1.845 | — |
|
2
Texaco - CAERNARFON
Texaco · LL54 7EF
|
3.7 km | 1.875 | 1.665 | 1.834 | — |
|
3
Morrisons - CAERNARFON
Morrisons · LL55 1BE
|
3.5 km | 1.882 | 1.653 | 1.854 | — |
|
4
Texaco - CAERNARFON
Texaco · LL55 2HP
|
2.7 km | 1.882 | 1.653 | — | — |
|
5
Essar - CAERNARFON
Essar · LL55 4DE
|
6.0 km | 1.884 | 1.675 | — | — |
|
6
Shell - CAERNARFON
Shell · LL55 2SS
|
1.4 km | 1.894 | 1.675 | 1.785 | — |
|
7
Texaco - CAERNARFON
Texaco · LL55 3NF
|
8.5 km | — | — | — | — |
Diesel is up 4.3p versus 7 days ago (7 stations with prices on both days).
Tracked continuously: 7 of 7 stations · 2026-09-07 to 2026-09-14
| Brand | From | Average | Stations |
|---|---|---|---|
| Murco | 187.5p | 187.5p | 1 |
| Texaco | 187.5p | 187.8p | 2 |
| Morrisons | 188.2p | 188.2p | 1 |
| Essar | 188.4p | 188.4p | 1 |
| Shell | 189.4p | 189.4p | 1 |
Caernarfon itself has 7 petrol stations with live prices tracked on fuel-prices.eu. Including the towns within roughly 10 km, the total rises to 18 stations. Data comes from the UK official fuel price data scheme.
The cheapest diesel in Caernarfon today is 187.5p a litre at Murco - CAERNARFON. Prices in nearby towns are often lower — use the +2 / +5 / +10 km filter above to compare.
The average diesel price in Caernarfon is 188.2p a litre, 3.7p below the national average of 191.9p.
The cheapest petrol in Caernarfon today is 164.5p a litre at Murco - CAERNARFON, 13.5 km from the city centre. It is 1.6p below the Caernarfon average of 166.1p across the 6 stations we track in the city.
Today they are level: supermarket forecourts in Caernarfon (Morrisons) and the other 5 stations in the city both average about 188.2p a litre for diesel.
Prices are updated daily from the UK official fuel price data scheme (retailer price feeds published under the government fuel-finder initiative).
Prices are collected from the UK official fuel price data scheme — the open price feeds published by major retailers under the government fuel-finder initiative — and refreshed daily. Prices are indicative and may differ at the pump. See also: live map of the UK · all live markets.
Contains public sector information licensed under the Open Government Licence v3.0. Source: Fuel Finder (CMA / GOV.UK).