Compare Esso petrol and diesel prices across forecourts in and around Merthyr Tydfil, South Glamorgan. Cheapest unleaded from 173.9p, diesel from 197.9p. Updated today, 23 October 2026.
| Forecourt | Unleaded | Diesel | Distance |
|---|---|---|---|
| RONTEC MOUNTAIN ASH CARDIFF ROAD |
173.9p | 197.9p | 5.2 mi |
| RONTEC DOWLAIS NEW ROAD |
177.9p | 199.9p | 0.2 mi |