Cheapest unleaded
159.7p
Fuel prices in Merthyr Tydfil today, 7 September 2026
Pump prices at 5 petrol stations within 10 miles of Merthyr Tydfil town centre, sorted cheapest first. Prices come from the official retailer price data published under the government's fuel price transparency rules, and we refresh them every 30 minutes.
Cheapest diesel
181.7p
Avg unleaded (Merthyr Tydfil)
162.2p
Avg diesel (Merthyr Tydfil)
183.8p
| Station | Distance | Unleaded | Diesel | Super |
|---|---|---|---|---|
| Asda, High Street, Blackwood NP12 0NT | 9.8 mi | 159.7p | 181.7p | – |
| Asda, Riverside Retail Park, Aberdare CF44 0AH | 3.6 mi | 161.7p | 183.7p | – |
| Texaco, 235 High St, Blackwood NP2 1AH | 10.0 mi | 161.9p | 181.9p | 180.9p |
| Asda, Colliers Way,, Tonypandy CF40 2JQ | 9.0 mi | 163.7p | 185.7p | – |
| Asda, Dowlais Top, Merthyr Tydfil CF48 2YF | 2.2 mi | 163.9p | 185.9p | – |
Distances measured from Merthyr Tydfil town centre. Data fetched 0 minutes ago.
Petrol prices in Merthyr Tydfil: quick answers
Where is the cheapest petrol in Merthyr Tydfil today?
The cheapest unleaded (E10) near Merthyr Tydfil in our data right now is 159.7p per litre at Asda, High Street, Blackwood. The local average is 162.2p, so anything under that is a decent price.
Where is the cheapest diesel in Merthyr Tydfil?
The lowest diesel (B7) price near Merthyr Tydfil is currently 181.7p per litre at Asda, High Street, Blackwood.
How current are these prices?
Retailers publish price changes to the government's open data scheme, and forecourts must report changes within 30 minutes under the Fuel Finder rules. We refresh our copy every 30 minutes. The pump totem is still the final word.