Compare Asda petrol and diesel prices across forecourts in and around Llanelli, Swansea. Cheapest unleaded from 169.7p, diesel from 194.7p. Updated today, 23 October 2026.
| Forecourt | Unleaded | Diesel | Distance |
|---|---|---|---|
| ASDA GORSEINON SUPERSTORE HEOL Y MYNYDD |
169.7p | 194.7p | 5 mi |
| ASDA PONTYATES EXPRESS PETROL 13 HEOL Y MEINCIAU |
169.9p | 195.9p | 4.7 mi |
| ASDA LLANELLI MURRAY STREET SUPERCENTRE MURRAY STREET |
171.7p | 196.7p | 2.2 mi |