Fuel prices in Carmarthenshire
Unleaded petrol (E10) in Carmarthenshire currently runs from 163.9p to 167.9p, averaging 166.1p across 14 stations with recent reports. The lowest is Mfg Morrisons Carmarthen (SA31 2NF).
Stations & prices
Unleaded petrol (E10)
★ Lowest reported163.9p
2.2p/L below local avg163.9p
Mfg Cross Hands Gorslas164.9p
164.9p
- 165.9p
166.9p
- 166.9p
- 166.9p
Showing reported prices from official GOV.UK reports. Open a station for reported prices, opening hours and directions — prices can change before you arrive.
Area overview
| Fuel | Lowest | Average | Highest | Spread | Reports |
|---|---|---|---|---|---|
| Unleaded petrol (E10) | 163.9p | 166.1p | 167.9p | 4.0p | 14 of 14 |
| Super unleaded (E5) | 181.9p | 185.6p | 189.9p | 8.0p | 7 of 10 |
| Diesel (B7) | 193.9p | 195.6p | 196.9p | 3.0p | 4 of 14 |
Supermarket vs. Branded Stations in Carmarthenshire
Unleaded petrol (E10) price comparison across 14 local stations
Statistics use eligible recent reports — prices updated within 14 days. Stations reporting less recently remain active at their last confirmed board price. Read how we calculate our statistics.
Across all Carmarthenshire stations in the UK, we track 14 fuel stations, and 14 of them have reported an unleaded price in the last 14 days. Reported unleaded currently runs from 163.9p to 167.9p, averaging 166.1p — a spread of 4.0p.
Diesel runs from 193.9p to 196.9p, averaging 195.6p across 4 recent reports.
13 stations have updated their price in the last 7 days, and the lowest price we can currently see is 163.9p at Mfg Morrisons Carmarthen.
Prices are reported by stations when they change. The spread is the gap between the lowest and highest reported price — not a guaranteed saving on your journey.
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Fuel brands in Carmarthenshire
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Common questions about fuel in Carmarthenshire
What is the cheapest petrol in Carmarthenshire today?
The lowest reported unleaded petrol (E10) price in Carmarthenshire is 163.9p per litre at Mfg Morrisons Carmarthen (SA31 2NF). This is 2.2p/L below the Carmarthenshire average of 166.1p across 14 stations with recent reports.
What is the cheapest diesel in Carmarthenshire today?
Standard diesel (B7) in Carmarthenshire starts from 193.9p per litre at Valley Service Station (SA44 4AE), compared to an area average of 195.6p across 4 recent reports (1.7p/L below average).
How often are fuel prices in Carmarthenshire updated?
Prices in Carmarthenshire are monitored continuously via official UK Fuel Finder reports. 4 stations in Carmarthenshire updated within the last 24 hours, and 13 of 14 updated over the past 7 days. The average price report age across Carmarthenshire is 1.9 days. Under government regulations, fuel retailers are mandated to publish price revisions within 30 minutes of updating their totem displays.
What is the price spread across fuel stations in Carmarthenshire?
The price spread for standard petrol in Carmarthenshire is 4.0p per litre (spanning from 163.9p to 167.9p). Choosing the cheapest station instead of the most expensive one yields an immediate saving of 4.0p per litre on every fill.
Are supermarket fuel stations cheaper in Carmarthenshire?
2 of the 14 stations in Carmarthenshire are run by supermarkets (Morrisons). Supermarket stations (Morrisons) average 164.9p for unleaded, which is 1.4p/L cheaper than branded stations (Texaco, Essar, Esso averaging 166.3p).
Which fuel stations in Carmarthenshire are open 24 hours?
6 of 14 stations in Carmarthenshire offer 24-hour refuelling access, including Mfg St Clears, Mfg Morrisons Carmarthen, Ascona Forge Filling Station and 3 more.