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Tesco Fuel Prices in Carmarthen

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Trading as: CARMARTHEN EXTRA - PETROL FILLING STATION

Compare with: Tesco Fuel Prices · Petrol and Diesel Prices in Carmarthen · Petrol and Diesel Prices in Swansea (SA)

Petrol: Holds the cheapest petrol nearby at 149.9p — no closer station undercuts it. Prices unchanged for 1 day; with the rest of the area easing, a downward move is likely soon.

Diesel: Holds the cheapest diesel nearby at 158.9p — no closer station undercuts it. Prices unchanged for 1 day; with the rest of the area easing, a downward move is likely soon.

Based on gov.uk Fuel Finder, last updated yesterday.

Unleaded (E10)
149.9p
-2.9p vs national
-2.3p vs regional
⇩ Likely fall
+0.2p vs brand
Super Unleaded (E5)
158.9p
-12.3p vs national
-10.8p vs regional
Diesel (B7)
158.9p
-11.5p vs national
-8.5p vs regional
⇩ Likely fall
-6.7p vs brand
Premium Diesel
–
Not sold

● Prices current as of 15 min ago · Last updated:

Looking elsewhere? Use our fuel station finder to find the most economical place to fill up near you. To see what this price means in real money, calculate the cost of your next trip or work out your weekly fuel spend. Running a website? Embed these prices →

Address
TESCO STORES
LON MORFA
CAERFYRDDIN
SA31 3AX

Phone: +448003234040

Prices updated: 2026-06-22T14:19:57.963Z

Opening Times
Monday24 hours
Tuesday24 hours
Wednesday24 hours
Thursday24 hours
Friday24 hours
Saturday24 hours
Sunday24 hours
Bank Holiday24 hours
Facilities
AdBlue (packaged) Air & water
Price History

Prices last changed yesterday — E10 ↓1.0p E5 ↓1.0p

National trend this week: Unleaded fell 2.3p • Diesel fell 4.9p

Date E10 E5 B7 SDV
22 Jun 2026 14:38 149.9p 158.9p 158.9p –
19 Jun 2026 17:08 150.9p 159.9p 158.9p –
15 Jun 2026 17:38 152.9p 161.9p 163.9p –
11 Jun 2026 17:38 153.9p 162.9p 167.9p –
9 Jun 2026 16:08 154.9p 163.9p 170.9p –
5 Jun 2026 15:08 159.9p 168.9p 175.9p –
2 Jun 2026 16:08 159.9p 168.9p 176.9p –
29 May 2026 14:08 159.9p 168.9p 177.9p –
27 May 2026 15:38 158.9p 167.9p 178.9p –
20 May 2026 15:39 158.9p 167.9p 179.9p –
Nearby Stations
Murco, Carmarthen 0.5 mi
SA31 3HL · Supermarket
E10 154.9p +5.0p B7 166.9p +8.0p
Texaco, Carmarthen 0.6 mi
SA31 2BN · Supermarket
E10 152.9p +3.0p E5 181.9p +23.0p B7 163.9p +5.0p
Morrisons, Carmarthen 0.7 mi
SA31 2NF · Supermarket
E10 149.9p E5 165.9p +7.0p B7 158.9p
Murco, Carmarthen 1.4 mi
SA31 2EY
E10 149.9p E5 159.5p +0.6p B7 157.9p -1.0p SDV 171.5p
Valero, Newchurch and Merthyr 2.7 mi
SA33 5DT
E10 151.9p +2.0p E5 189.9p +31.0p B7 165.9p +7.0p SDV 214.9p
Station Distance E10 E5 B7 SDV
Murco, Carmarthen SA31 3HL Supermarket 0.5 mi 154.9p +5.0p – 166.9p +8.0p –
Texaco, Carmarthen SA31 2BN Supermarket 0.6 mi 152.9p +3.0p 181.9p +23.0p 163.9p +5.0p –
Morrisons, Carmarthen SA31 2NF Supermarket 0.7 mi 149.9p 165.9p +7.0p 158.9p –
Murco, Carmarthen SA31 2EY 1.4 mi 149.9p 159.5p +0.6p 157.9p -1.0p 171.5p
Valero, Newchurch and Merthyr SA33 5DT 2.7 mi 151.9p +2.0p 189.9p +31.0p 165.9p +7.0p 214.9p
Frequently Asked Questions

Current prices at Tesco, SA31 3AX: Unleaded (E10) 149.9p per litre. Diesel (B7) 158.9p per litre. Super Unleaded (E5) 158.9p per litre. Prices are sourced from the government's Fuel Finder scheme and updated every 30 minutes.

Unleaded (E10): 149.9p vs the national average of 152.8p (2.9p below the national average). Regional average: 152.2p.
Super Unleaded (E5): 158.9p vs the national average of 171.2p (12.3p below the national average). Regional average: 169.7p.
Diesel (B7): 158.9p vs the national average of 170.4p (11.5p below the national average). Regional average: 167.4p.

Prices at Tesco were last reported on 2026-06-22T14:19:57.963Z. MPG Calc checks the Fuel Finder scheme for updated prices every 30 minutes. The most recent price change at this station was yesterday.

There are 5 fuel stations within a few miles of Tesco, SA31 3AX. The nearby stations table above shows live prices and the price difference compared to this station, so you can quickly identify the cheapest option for your preferred fuel type.

Prices at this station last changed yesterday. Fuel prices typically change in response to wholesale cost movements and competitive pressure from nearby stations. Our price change signal model analyses brand-wide repricing patterns, crude oil movements, and local market dynamics to predict when the next change is likely.

Prices are in pence per litre. Data sourced from the Fuel Finder scheme. If a price looks wrong, report incorrect data for this station.

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