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Petrol Prices in Llanelli

Average today: unleaded 167.4p · diesel 188.7p · UK average 169.6p / 191.4p

Checked 13 September 2026 · retailer-reported prices, changes filed within 30 minutes
Llanelli trend: Unleaded ▲ 3.7p · 7d · Diesel ▲ 4.3p · 7d
The cheapest unleaded in Llanelli today is 164.9p at Tesco, Tesco Stores Ltd. Filling a 55-litre tank at the cheapest station instead of the priciest saves about £2.75.

Cheapest Unleaded First

CheapestSet 11 Sep · Checked today
Tesco Tesco Stores Ltd, SA14 9UY
UNLEADED
164.9p
DIESEL
186.9p
Save up to £2.75 on a tank
Set 11 Sep · Checked today
Texaco Vst Bryn Gelli Services, SA14 9AD
UNLEADED
165.9p
DIESEL
187.9p
Save up to £2.20 on a tank
Set 12 Sep · Checked today
Morrisons Pemberton Retail Park, SA14 9UZ
UNLEADED
165.9p
DIESEL
187.9p
Save up to £2.20 on a tank
Set 12 Sep · Checked today
Esso Llanelli 1, SA15 1QD
UNLEADED
166.9p
DIESEL
187.9p
Costs £1.10 more to fill up
Set 11 Sep · Checked today
Asda Murray Street, SA15 1BX
UNLEADED
167.7p
DIESEL
187.7p
Costs £1.54 more to fill up
Set 09 Sep · Checked today
Murco Sandy Road, SA15 4DW
UNLEADED
167.9p
DIESEL
187.9p
Costs £1.65 more to fill up
Set 04 Sep · Checked today
Nisa Local Drefach Nisa, SA14 7BA
UNLEADED
167.9p
DIESEL
187.9p
Costs £1.65 more to fill up
Set 08 Sep · Checked today
Dafen Service Station Dafen Service Station Ltd, SA14 8NS
UNLEADED
169.9p
DIESEL
193.9p
Costs £2.75 more to fill up
Set 08 Sep · Checked today
Esso Cross Hands, SA14 6RD
UNLEADED
169.9p
DIESEL
189.9p
Costs £2.75 more to fill up
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