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Petrol Prices in Caernarfon

Average today: unleaded 166.0p · diesel 187.8p · UK average 169.4p / 191.1p

Checked 12 September 2026 · retailer-reported prices, changes filed within 30 minutes
Caernarfon trend: Unleaded ▲ 5.6p · 7d · Diesel ▲ 5.9p · 7d
The cheapest unleaded in Caernarfon today is 162.7p at Morrisons, Ffordd Y Gogledd (north Road). Filling a 55-litre tank at the cheapest station instead of the priciest saves about £3.96.

Cheapest Unleaded First

CheapestSet 10 Sep · Checked today
Morrisons Ffordd Y Gogledd (north Road), LL55 1BE
UNLEADED
162.7p
DIESEL
185.7p
Save up to £3.96 on a tank
Set 11 Sep · Checked today
Texaco Caer Service Station, South Road, Caernarfon, Ll55 2hp, LL55 2HP
UNLEADED
162.7p
DIESEL
185.7p
Save up to £3.96 on a tank
Set 11 Sep · Checked today
Shell Gwalia Garage Ltd, LL55 2SS
UNLEADED
164.9p
DIESEL
189.9p
Save up to £2.75 on a tank
Set 10 Sep · Checked today
Murco Clynnog-fawr, LL54 5PF
UNLEADED
166.9p
DIESEL
187.9p
Costs £2.31 more to fill up
Set 09 Sep · Checked today
Texaco Modurdy Dolydd Garage, Dolydd, Caernarfon, Ll54 7ef, LL54 7EF
UNLEADED
166.9p
DIESEL
187.9p
Costs £2.31 more to fill up
Set 10 Sep · Checked today
Essar London Garage Ltd, Cwm-y-glo, Caernarfon, Ll55 4de, LL55 4DE
UNLEADED
167.9p
DIESEL
188.9p
Costs £2.86 more to fill up
Set 07 Sep · Checked today
Texaco Beran Garage, LL55 3NF
UNLEADED
169.9p
DIESEL
188.9p
Costs £3.96 more to fill up
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