Local price scan
Cheapest petrol and diesel prices in Llanelli
9 tracked forecourts in Llanelli, last updated 7 October 2026. Prices are pence per litre.
Unleaded petrol (E10)
169.9p
cheapest · 173.7p average across 9 stations
Diesel (B7)
189.9p
cheapest · 197.2p average across 9 stations
Super unleaded (E5)
184.9p
cheapest · 190.7p average across 6 stations
Premium diesel
210.9p
cheapest · 214.2p average across 3 stations
Llanelli price history
Daily average standard petrol and diesel prices across tracked local stations over the last 90 days.
Llanelli stations ranked by price
| LEWIS RETAIL DREFACH LTDNISA LOCAL DREFACH · SA14 7BA | 169.9p | 189.9p | — | — |
|---|---|---|---|---|
| SANDY ROADMURCO · SA15 4DW | 171.9p | 197.9p | — | — |
| RONTEC CROSS HANDSESSO · SA14 6RD | 172.9p | 199.9p | 191.9p | 218.9p |
| MFG MORRISONS LLANELLIMORRISONS · SA14 9UZ | 173.9p | 197.9p | 189.9p | — |
| NTS LLANELLI SERVICE STATIONESSO Llanelli · SA15 1QD | 173.9p | 197.9p | 188.9p | 212.9p |
| ASDA LLANELLI MURRAY STREET SUPERCENTREASDA LLANELLI MURRAY STREET SUPERCENTRE · SA15 1BX | 174.7p | 196.7p | — | — |
| LLANELLI EXTRA - PETROL FILLING STATIONTESCO · SA14 9UY | 174.9p | 196.9p | 184.9p | — |
| VST BRYN GELLI SERVICESTEXACO · SA14 9AD | 174.9p | 197.9p | 189.9p | — |
| Dafen Service StationDafen Service Station · SA14 8NS | 175.9p | 199.9p | 198.9p | 210.9p |
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Where these stations are
What drivers in Llanelli should know
The gap between the cheapest and most expensive forecourt in Llanelli is currently 6.0p per litre. On a typical 55-litre fill that is about £3.30 — worth a short detour if a cheaper site is already on your route.
At 173.7p the average unleaded petrol (e10) price in Llanelli is below the UK-wide average of 174.7p that PumpScan is tracking, a difference of 1.1p per litre.
Brands represented locally include ASDA LLANELLI MURRAY STREET SUPERCENTRE, Dafen Service Station, NISA LOCAL DREFACH, TESCO, MORRISONS. Supermarket forecourts usually undercut motorway services by a wide margin, and prices in and around Llanelli tend to move within a day or two of a change in the wholesale oil price. Filling up mid-week and avoiding a near-empty tank on a motorway trip are the two simplest ways to keep costs down.
Compare Llanelli against the rest of the country on the cheapest petrol in the UK and cheapest diesel in the UK leaderboards.
All filling stations in Llanelli
- ASDA LLANELLI MURRAY STREET SUPERCENTREMURRAY STREET, LLANELLI
- Dafen Service StationDAFEN SERVICE STATION LTD, DAFEN SERVICE STATION, INDUSTRIAL ESTATE, DAFEN, LLANELLI
- LEWIS RETAIL DREFACH LTDNISA, WOODLANDS GARAGE, DREFACH, LLANELLI
- LLANELLI EXTRA - PETROL FILLING STATIONTESCO STORES LTD, TROSTRE RETAIL PARK, LLANELLI
- MFG MORRISONS LLANELLIPEMBERTON RETAIL PARK, LLANELLI, CARMARTHENSHIRE
- NTS LLANELLI SERVICE STATION1, CAPEL ISAF ROAD, LLANELLI, SA15 1QD, LLANELLI
- RONTEC CROSS HANDSCROSS HANDS, LLANELLI, DYFED
- SANDY ROADSANDY ROAD, LLANELLI, CARMARTHENSHIRE
- VST BRYN GELLI SERVICESVST BRYN GELLI SERVICES, GELLI ROAD, LLANELLI
Looking elsewhere? See all areas covered by PumpScan UK. Area slug: /petrol-prices/llanelli