Petrol & diesel prices in Merthyr Tydfil today
The cheapest petrol near Merthyr Tydfil right now is 172.7p at Asda Aberdare Superstore, Riverside Retail Park, 2.7p below the local average of 175.4p. Diesel starts at 197.7p at Asda Aberdare Superstore, Riverside Retail Park. We compared 10 forecourts within 5 miles of the town centre.
Cheapest isn't always best value: the live search also counts the fuel you'd burn getting there.
Cheapest petrol in Merthyr Tydfil
| # | Station | Price / litre |
|---|---|---|
| 1 | Asda Aberdare Superstore, Riverside Retail ParkRiverside Retail Park, Aberdare, CF44 0AH · 3.6 mi from centre | 172.7p2 Oct |
| 2 | Tesco, Depot RoadDepot Road, Aberdare, CF44 8DL · 3.7 mi from centre | 172.9p2 Oct |
| 3 | Texaco, Aberdare Filling StationAberdare Filling Station, Cwmbach New Road, Aberdar, CF44 0PN, Aberdar, CF44 0PN · 3.4 mi from centre | 173.9p25 Sept |
| 4 | Gulf, 77, Victoria Road, Rhymney, Tredegar, NP22 5NU, Tredegar, NP22 5NU · 4.1 mi from centre | 173.9p6 Oct |
| 5 | Esso, Cardiff RoadCardiff Road, Mountain Ash, CF45 4HT · 4.6 mi from centre | 173.9p18 Sept |
| 6 | BP, New Cardiff RoadNew Cardiff Road, Cwmbach, Aberdare, CF44 0AG · 3.7 mi from centre | 175.9p25 Sept |
| 7 | Asda Merthyr Tydfil Superstore, Dowlais TopDowlais Top, Merthyr Tydfil, CF48 2YF · 2.1 mi from centre | 176.9p8 Oct |
| 8 | EG ON THE Move, 3 - 3A Lower High Street3 - 3A Lower High Street, Merthyr Tydfil, CF47 8EB · 0.4 mi from centre | 177.9p9 Oct |
| 9 | Esso, New RoadNew Road, Merthyr Tydfil, CF48 3DA · 1.0 mi from centre | 177.9p6 Oct |
| 10 | Texaco, Valley Heights Filling StationValley Heights Filling Station, Dowlais, Merthyr Tudful, CF48 2YE, Merthyr Tudful, CF48 2YE · 2.2 mi from centre | 177.9p25 Sept |
Cheapest diesel in Merthyr Tydfil
| # | Station | Price / litre |
|---|---|---|
| 1 | Asda Aberdare Superstore, Riverside Retail ParkRiverside Retail Park, Aberdare, CF44 0AH · 3.6 mi from centre | 197.7p2 Oct |
| 2 | Texaco, Aberdare Filling StationAberdare Filling Station, Cwmbach New Road, Aberdar, CF44 0PN, Aberdar, CF44 0PN · 3.4 mi from centre | 197.9p25 Sept |
| 3 | Tesco, Depot RoadDepot Road, Aberdare, CF44 8DL · 3.7 mi from centre | 197.9p2 Oct |
| 4 | Asda Merthyr Tydfil Superstore, Dowlais TopDowlais Top, Merthyr Tydfil, CF48 2YF · 2.1 mi from centre | 198.9p8 Oct |
| 5 | BP, New Cardiff RoadNew Cardiff Road, Cwmbach, Aberdare, CF44 0AG · 3.7 mi from centre | 198.9p25 Sept |
| 6 | Gulf, 77, Victoria Road, Rhymney, Tredegar, NP22 5NU, Tredegar, NP22 5NU · 4.1 mi from centre | 199.9p6 Oct |
| 7 | Esso, Cardiff RoadCardiff Road, Mountain Ash, CF45 4HT · 4.6 mi from centre | 199.9p18 Sept |
| 8 | EG ON THE Move, 3 - 3A Lower High Street3 - 3A Lower High Street, Merthyr Tydfil, CF47 8EB · 0.4 mi from centre | 202.9p9 Oct |
| 9 | Esso, New RoadNew Road, Merthyr Tydfil, CF48 3DA · 1.0 mi from centre | 203.9p6 Oct |
| 10 | Texaco, Valley Heights Filling StationValley Heights Filling Station, Dowlais, Merthyr Tudful, CF48 2YE, Merthyr Tudful, CF48 2YE · 2.2 mi from centre | 204.9p25 Sept |
Average fuel price by brand in Merthyr Tydfil
Cheapest isn't always best value
A station 2p cheaper but 6 miles away can cost you more once you count the drive. Refuel Radar ranks every forecourt around Merthyr Tydfil by what a full tank really costs you, including the trip, and can find the best stop along a route too.
Open the live mapMerthyr Tydfil fuel price questions
Where is the cheapest petrol in Merthyr Tydfil today?
The cheapest petrol (E10) within 5 miles of Merthyr Tydfil centre is 172.7p a litre at Asda Aberdare Superstore, Riverside Retail Park (Riverside Retail Park, Aberdare, CF44 0AH), based on government Fuel Finder data at 11 Oct 2026, 22:54.
Where is the cheapest diesel in Merthyr Tydfil today?
The cheapest diesel (B7) within 5 miles of Merthyr Tydfil centre is 197.7p a litre at Asda Aberdare Superstore, Riverside Retail Park (Riverside Retail Park, Aberdare, CF44 0AH), based on government Fuel Finder data at 11 Oct 2026, 22:54.
How much is petrol and diesel in Merthyr Tydfil?
Petrol averages 175.4p a litre across 10 Merthyr Tydfil stations, 0.7p above the UK average of 174.7p; diesel averages 200.3p, 0.5p above the UK average of 199.8p.
Which fuel brand is cheapest in Merthyr Tydfil?
On average Asda is currently the cheapest brand for petrol in Merthyr Tydfil, at 174.8p a litre across 2 forecourts. The cheapest individual station can still be a different brand, so check the table above.
How much can I save on fuel in Merthyr Tydfil?
Filling a 50-litre tank with petrol at the cheapest station in Merthyr Tydfil rather than an average-priced one saves about £1.35. Refuel Radar's Best Value ranking also counts the fuel you burn driving there, so a slightly dearer station closer to you can work out cheaper overall.
How up to date are these Merthyr Tydfil fuel prices?
Forecourts report their prices to the UK government's Fuel Finder scheme, and this page is rebuilt from that feed throughout the day. These figures were last refreshed at 11 Oct 2026, 22:54. Prices can change at any time, so always check at the pump.