Fuel prices in Carmarthen
Unleaded petrol (E10) in Carmarthen currently runs from 163.9p to 168.9p, averaging 166.0p across 8 stations with recent reports. The lowest is MFG MORRISONS CARMARTHEN (SA31 2NF).
Stations & prices
Unleaded petrol (E10)
★ Lowest reported163.9p
2.1p/L below local avg163.9p- 2.1p/L below local avg163.9p
- 166.9p
166.9p- 168.9p
Immediate surrounding stations within 3.5 miles (2 nearby)
Accessible stations just beyond the town boundary in neighbouring areas:
★ Lowest reported166.9p
167.9p
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 | 166.0p | 168.9p | 5.0p | 8 of 8 |
| Super unleaded (E5) | 185.9p | 185.9p | 185.9p | 0.0p | 1 of 6 |
| Diesel (B7) | 191.9p | 194.4p | 196.9p | 5.0p | 4 of 8 |
Supermarket vs. Branded Stations in Carmarthen
Unleaded petrol (E10) price comparison across 8 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 Carmarthen stations in the UK, we track 8 fuel stations, and 8 of them have reported an unleaded price in the last 14 days. Reported unleaded currently runs from 163.9p to 168.9p, averaging 166.0p — a spread of 5.0p.
Diesel runs from 191.9p to 196.9p, averaging 194.4p across 4 recent reports.
8 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 Carmarthen
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Common questions about fuel in Carmarthen
What is the cheapest petrol in Carmarthen today?
The lowest reported unleaded petrol (E10) price in Carmarthen is 163.9p per litre at Mfg Morrisons Carmarthen (SA31 2NF). This is 2.1p/L below the Carmarthen average of 166.0p across 8 stations with recent reports.
What is the cheapest diesel in Carmarthen today?
Standard diesel (B7) in Carmarthen starts from 191.9p per litre at Gwalia Garage (SA32 7DR), compared to an area average of 194.4p across 4 recent reports (2.5p/L below average).
How often are fuel prices in Carmarthen updated?
Prices in Carmarthen are monitored continuously via official UK Fuel Finder reports. 6 stations in Carmarthen updated within the last 24 hours, and 8 of 8 updated over the past 7 days. The average price report age across Carmarthen is 1.5 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 Carmarthen?
The price spread for standard petrol in Carmarthen is 5.0p per litre (spanning from 163.9p to 168.9p). Choosing the cheapest station instead of the most expensive one yields an immediate saving of 5.0p per litre on every fill.
Are supermarket fuel stations cheaper in Carmarthen?
2 of the 8 stations in Carmarthen are run by supermarkets (Morrisons, Asda). Supermarket stations (Morrisons, Asda) average 165.4p for unleaded, which is 0.8p/L cheaper than branded stations (Murco, Valero averaging 166.2p).
Which fuel stations in Carmarthen are open 24 hours?
3 of 8 stations in Carmarthen offer 24-hour refuelling access, including Mfg Morrisons Carmarthen, Ascona Forge Filling Station, Ascona Tenby Road Service Station.