Petrol (Unleaded) in Llanelli costs from 165.5p to 172.5p a litre right now, 167.9p on average across 9 stations. Diesel in Llanelli costs from 187.2p to 196.4p a litre right now, 190.0p on average across 10 stations.The cheapest is Asda - LLANELLI, 3.4 km from the centre. Prices last updated 15:44 (Europe/London).
A 55-litre fill-up at the cheapest station in Llanelli instead of the dearest one, and instead of the city average.
Supermarket forecourts in Llanelli: Asda, Morrisons, Tesco.
Calculated from the same live prices as the station table below — 10 stations in Llanelli, at the update time shown above.
| Station | |||||
|---|---|---|---|---|---|
|
1
Asda - LLANELLI
Asda · SA15 1BX
|
3.4 km | 1.872 | 1.673 | — | — |
|
2
Esso Llanelli - LLANELLI
Esso Llanelli · SA15 1QD
|
2.6 km | 1.875 | 1.665 | 1.815 | 2.024 |
|
3
Morrisons - LLANELLI
Morrisons · SA14 9UZ
|
3.1 km | 1.875 | 1.655 | — | — |
|
4
Texaco - LLANELLI
Texaco · SA14 9AD
|
2.8 km | 1.875 | 1.655 | 1.894 | — |
|
5
Esso - LLANELLI
Esso · SA14 6RD
|
10.6 km | 1.894 | 1.695 | 1.884 | 2.083 |
|
6
Murco - LLANELLI
Murco · SA15 4DW
|
3.8 km | 1.894 | 1.675 | — | — |
|
7
Tesco - LLANELLI
Tesco · SA14 9UY
|
3.3 km | 1.894 | — | — | — |
|
8
Valero - PANTEG
Valero · SA15 3TF
|
1.5 km | 1.894 | 1.675 | — | 2.053 |
|
9
Dafen Service Station - LLANELLI
Dafen Service Station · SA14 8NS
|
2.0 km | 1.964 | 1.725 | 1.954 | 2.053 |
|
10
Nisa Local Drefach - LLANELLI
Nisa Local Drefach · SA14 7BA
|
10.3 km | 1.964 | 1.695 | — | — |
2026-08-15: 182.4p 2026-09-14: 187.9p
Diesel is up 3.5p versus 7 days ago (10 stations with prices on both days).
Tracked continuously: 4 of 10 stations · 2026-08-15 to 2026-09-14
| Brand | From | Average | Stations |
|---|---|---|---|
| Asda | 187.2p | 187.2p | 1 |
| Texaco | 187.5p | 187.5p | 1 |
| Esso Llanelli | 187.5p | 187.5p | 1 |
| Morrisons | 187.5p | 187.5p | 1 |
| Esso | 189.4p | 189.4p | 1 |
| Tesco | 189.4p | 189.4p | 1 |
| Valero | 189.4p | 189.4p | 1 |
| Murco | 189.4p | 189.4p | 1 |
| Dafen Service Station | 196.4p | 196.4p | 1 |
| Nisa Local Drefach | 196.4p | 196.4p | 1 |
Llanelli itself has 10 petrol stations with live prices tracked on fuel-prices.eu. Including the towns within roughly 10 km, the total rises to 49 stations. Data comes from the UK official fuel price data scheme.
The cheapest diesel in Llanelli today is 187.2p a litre at Asda - LLANELLI. Prices in nearby towns are often lower — use the +2 / +5 / +10 km filter above to compare.
The average diesel price in Llanelli is 190.0p a litre, 1.9p below the national average of 191.9p.
The cheapest petrol in Llanelli today is 165.5p a litre at Texaco - LLANELLI, 2.8 km from the city centre. It is 2.5p below the Llanelli average of 167.9p across the 9 stations we track in the city.
Yes. Supermarket forecourts in Llanelli (Asda, Morrisons, Tesco) average 188.0p a litre for diesel across 3 stations, against 190.8p at the other 7 stations — 2.8p cheaper.
Prices are updated daily from the UK official fuel price data scheme (retailer price feeds published under the government fuel-finder initiative).
Prices are collected from the UK official fuel price data scheme — the open price feeds published by major retailers under the government fuel-finder initiative — and refreshed daily. Prices are indicative and may differ at the pump. See also: live map of the UK · all live markets.
Contains public sector information licensed under the Open Government Licence v3.0. Source: Fuel Finder (CMA / GOV.UK).