Cheapest Petrol Prices in Llanelli
Last updated: · 20 stations tracked
Cheapest Petrol (E10)
159.9p
per litre · avg 165.25p
Cheapest Diesel (B7)
181.9p
per litre · avg 267.08p
Compare live petrol and diesel prices across 20 fuel stations in Llanelli. Prices are sourced from the UK Government's official fuel price database and updated every hour. The cheapest petrol in Llanelli today is 159.9p per litre, available at SANDY ROAD.
Supermarket forecourts — including Tesco, Asda, and Sainsbury's — typically offer the lowest prices in Llanelli. Motorway services and branded stations (BP, Shell, Esso) often charge a premium. Use the table below to find the best deal near you.
Fuel Station Prices in Llanelli
| Station | Unleaded (E10) | Diesel (B7) | Super Unleaded | Premium Diesel |
|---|---|---|---|---|
| ASDA LLANELLI MURRAY STREET SUPERCENTRE | 161.7p | 182.7p | — | — |
| SANDY ROAD | 159.9p | 181.9p | — | — |
| NTS LLANELLI SERVICE STATION | 161.9p | 181.9p | 176.9p | 196.9p |
| LLANELLI EXTRA - PETROL FILLING STATION | 164.9p | 184.9p | 174.9p | — |
| MFG MORRISONS LLANELLI | 161.9p | 181.9p | 175.9p | — |
| MFG PANTEG | 162.9p | 182.9p | 175.9p | 195.9p |
| Dafen Service Station | 166.9p | 189.9p | 186.9p | 198.9p |
| VST BRYN GELLI SERVICES | 161.9p | 181.9p | 175.9p | — |
| ESSAR CHIVERS CORNER GARAGE | 159.9p | 181.9p | 174.9p | — |
| CK Foodstores | 161.9p | 181.9p | — | — |
| Herons Way Service Station | 163.9p | 183.9p | 182.9p | 202.9p |
| GOWERTON ESSO EXPRESS | 166.9p | 186.9p | 181.9p | 200.9p |
| ASDA GORSEINON SUPERSTORE | 163.7p | 183.7p | — | — |
| PONTARDDULAIS SUPERSTORE - PETROL FILLING STATION | 167.9p | 188.9p | 178.9p | — |
| ASDA PONTYATES EXPRESS PETROL | 165.9p | 184.9p | — | — |
| Pontarddulais Service Station | 166.9p | 189.9p | 186.9p | 198.9p |
| Murco | — | 1819p | — | — |
| SOUTHVIEW SERVICE STATION | 163.9p | 183.9p | 183.9p | — |
| ASDA PONT ABRAHAM EXPRESS PETROL | 186.9p | 199.9p | — | — |
| RONTEC CROSS | 169.9p | 188.9p | — | 207.9p |
Frequently Asked Questions
What is the cheapest petrol price in Llanelli?
The cheapest petrol in Llanelli is currently 159.9p per litre as of 5 September 2026. The average across all stations is 165.25p.
Which supermarket has the cheapest fuel in Llanelli?
Tesco, Asda, and Sainsbury's supermarket forecourts typically offer the lowest fuel prices in Llanelli. Check the price table above to compare all stations including branded and independent retailers.
How often are fuel prices updated for Llanelli?
Prices are updated hourly from the UK Government's mandatory fuel price reporting scheme, which requires all fuel retailers with 6 or more sites to submit prices every 30 minutes.