Petrol and diesel prices in Llanelli
Cheapest petrol near Llanelli right now: 172.9p at Tesco Llanelli Extra, reported 15:44 on 14 Oct. Petrol in Llanelli averages 172.3p, 1.9p below the UK average. Cheapest diesel: 196.9p at Valero MFG Panteg. Diesel in Llanelli averages 197.1p, 2.1p below the UK average.
- Asda Llanelli Murray Street Supercentre showed 171.7p for petrol when it last reported, on 13 Oct. That price may have changed.
- Asda Llanelli Murray Street Supercentre showed 196.7p for diesel when it last reported, on 2 Oct. That price may have changed.
- Petrol is 3.0p a litre cheaper in Abertawe, 4 miles away, from 169.9p.
- Supermarket forecourts in Llanelli average 172.5p for petrol, 0.3p more than other forecourts.
- 2 of 7 forecourts here reported a petrol price in the last 3 days. Older prices show the date they were reported.
- Llanelli is in the Carmarthenshire council area, 41st cheapest of 354 for petrol in the council league table, averaging 171.8p.
Distance in miles from Llanelli town centre, as the crow flies. Showing stations within 3 miles.
Distance in miles from Llanelli town centre, as the crow flies. Showing stations within 3 miles.
Price trend
We started recording daily average prices in Llanelli on 16 October 2026. The trend chart appears here once there are a few days of data.
Not in central Llanelli?
Enter your postcode to sort stations by price, best value once the drive is counted, or distance.
All petrol stations in Llanelli
9 petrol stations with a Llanelli address, cheapest petrol first.
| Station | Petrol | Diesel | Reported |
|---|---|---|---|
| Lewis Retail Drefach LtdNisa, Llanelli, SA14 7BA | 169.9p | 194.9p | 12 Oct |
| Asda Llanelli Murray Street SupercentreMurray Street, Llanelli, SA15 1BX | 171.7p | 196.7p | 13 Oct |
| Texaco Vst Bryn Gelli ServicesVst Bryn Gelli Services, Llanelli, SA14 9AD · Open 24 hours | 172.9p | 196.9p | 15 Oct |
| Esso Nts Llanelli Service Station1, Llanelli, SA15 1QD · Open 24 hours | 172.9p | 196.9p | 13 Oct |
| Esso Rontec Cross HandsCross Hands, Llanelli, SA14 6RD · Open 24 hours | 172.9p | 199.9p | 18 Sept |
| Tesco Llanelli ExtraTesco Stores Ltd, Llanelli, SA14 9UY · Open 24 hours | 172.9p | 196.9p | 14 Oct |
| MFG Morrisons LlanelliPemberton Retail Park, Llanelli, SA14 9UZ · Open 24 hours | 172.9p | 196.9p | 12 Oct |
| Dafen Service StationDafen Service Station Ltd, Llanelli, SA14 8NS · Open 24 hours | – | – | – |
| Murco Sandy RoadSandy Road, Llanelli, SA15 4DW · Open 24 hours | – | 197.9p | 21 Sept |
Supermarket fuel prices in and near Llanelli
2 Asda, 2 Tesco and 1 Morrisons forecourts within 5 miles of Llanelli, cheapest petrol first.
| Station | Petrol | Diesel | Miles |
|---|---|---|---|
| Asda Gorseinon SuperstoreHeol Y Mynydd, Gorseinon, SA4 4BZ | 169.7p | 192.7p | 4 |
| Asda Llanelli Murray Street SupercentreMurray Street, Llanelli, SA15 1BX | 171.7p | 196.7p | 1 |
| MFG Morrisons LlanelliPemberton Retail Park, Llanelli, SA14 9UZ | 172.9p | 196.9p | <1 |
| Tesco Llanelli ExtraTesco Stores Ltd, Llanelli, SA14 9UY | 172.9p | 196.9p | <1 |
| Tesco Pontarddulais SuperstoreTidal Reach, Abertawe, SA4 8TA | 173.9p | 197.9p | 4 |
24-hour petrol stations in Llanelli
6 stations sell fuel 24 hours a day in Llanelli, cheapest petrol first. Shop hours can be shorter; check the station page.
| Station | Petrol | Diesel | Miles |
|---|---|---|---|
| Texaco Vst Bryn Gelli ServicesVst Bryn Gelli Services, Llanelli, SA14 9AD | 172.9p | 196.9p | <1 |
| Esso Nts Llanelli Service Station1, Llanelli, SA15 1QD | 172.9p | 196.9p | <1 |
| Tesco Llanelli ExtraTesco Stores Ltd, Llanelli, SA14 9UY | 172.9p | 196.9p | <1 |
| MFG Morrisons LlanelliPemberton Retail Park, Llanelli, SA14 9UZ | 172.9p | 196.9p | <1 |
| Esso Rontec Cross HandsCross Hands, Llanelli, SA14 6RD | 172.9p | 199.9p | 8 |
| Murco Sandy RoadSandy Road, Llanelli, SA15 4DW | – | 197.9p | 2 |
Super unleaded, premium diesel and AdBlue in Llanelli
Super unleaded (E5)
11 stations in and around Llanelli sell super unleaded (e5), averaging 190.5p a litre. The cheapest is Tesco Llanelli Extra at 182.9p.
Premium diesel
6 stations in and around Llanelli sell premium diesel, averaging 215.9p a litre. The cheapest is Gowerton Esso Express at 213.9p.
AdBlue
AdBlue at the pump at Esso Rontec Cross Hands.
Fuel price alerts for Llanelli
Price alerts are coming soon. Join the waitlist and we'll email you when they start: an alert when fuel near you drops by 3p a litre or more, and the 10 cheapest pumps near your postcode every Friday.
Questions about fuel prices in Llanelli
Where is the cheapest petrol in Llanelli?
Today the cheapest petrol near Llanelli is 172.9p a litre at Tesco Llanelli Extra, Tesco Stores Ltd, Llanelli, SA14 9UY.
How much is diesel in Llanelli today?
Diesel averages 197.1p a litre across 8 forecourts in Llanelli, against a UK average of 199.2p.
Which supermarket has the cheapest petrol in Llanelli?
Asda Gorseinon Superstore is cheapest at 169.7p a litre, 4 miles from the centre. We compare 5 supermarket forecourts in and near Llanelli above.
How up to date are these prices?
Forecourts report their prices to the government's Fuel Finder scheme and we refresh them twice a day. These were last updated 17:30 on 16 Oct. Each forecourt's table row shows the day its price was reported.
Is there a 24-hour petrol station in Llanelli?
Yes. Texaco Vst Bryn Gelli Services, Esso Nts Llanelli Service Station, Tesco Llanelli Extra and MFG Morrisons Llanelli sell fuel 24 hours a day, and 2 more.