Petrol and diesel prices in Merthyr Tydfil
Cheapest petrol near Merthyr Tydfil right now: 170.7p at Asda Aberdare Superstore, reported 16:26 on 15 Oct. Petrol in Merthyr Tydfil averages 177.2p, 3.0p above the UK average. Cheapest diesel: 196.7p at Asda Aberdare Superstore. Diesel in Merthyr Tydfil averages 200.6p, 1.4p above the UK average.
- No town within 15 miles has cheaper petrol than Merthyr Tydfil's best price today.
- Supermarket forecourts in Merthyr Tydfil average 175.9p for petrol, 2.0p less than other forecourts.
- 0 of 3 forecourts here reported a petrol price in the last 3 days. Older prices show the date they were reported.
- Merthyr Tydfil is in the Merthyr Tydfil council area, 57th dearest of 354 for petrol in the council league table, averaging 176.9p.
Distance in miles from Merthyr Tydfil town centre, as the crow flies. Showing stations within 5 miles.
Distance in miles from Merthyr Tydfil town centre, as the crow flies. Showing stations within 5 miles.
Price trend
We started recording daily average prices in Merthyr Tydfil on 16 October 2026. The trend chart appears here once there are a few days of data.
Not in central Merthyr Tydfil?
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All petrol stations in Merthyr Tydfil
3 petrol stations with a Merthyr Tydfil address, cheapest petrol first.
| Station | Petrol | Diesel | Reported |
|---|---|---|---|
| Asda Merthyr Tydfil SuperstoreDowlais Top, Merthyr Tydfil, CF48 2YF | 175.9p | 198.9p | 13 Oct |
| EG Merthyr Tydfil3 - 3a Lower High Street, Merthyr Tydfil, CF47 8EB · Open 24 hours | 177.9p | 202.9p | 9 Oct |
| Esso Rontec DowlaisNew Road, Merthyr Tydfil, CF48 3DA · Open 24 hours | 177.9p | 199.9p | 13 Oct |
Supermarket fuel prices in and near Merthyr Tydfil
2 Asda and 1 Tesco forecourts within 5 miles of Merthyr Tydfil, cheapest petrol first.
| Station | Petrol | Diesel | Miles |
|---|---|---|---|
| Asda Aberdare SuperstoreRiverside Retail Park, Aberdare, CF44 0AH | 170.7p | 196.7p | 5 |
| Tesco Aberdare SuperstoreDepot Road, Aberdare, CF44 8DL | 170.9p | 196.9p | 5 |
| Asda Merthyr Tydfil SuperstoreDowlais Top, Merthyr Tydfil, CF48 2YF | 175.9p | 198.9p | 1 |
24-hour petrol stations in Merthyr Tydfil
2 stations sell fuel 24 hours a day in Merthyr Tydfil, cheapest petrol first. Shop hours can be shorter; check the station page.
| Station | Petrol | Diesel | Miles |
|---|---|---|---|
| EG Merthyr Tydfil3 - 3a Lower High Street, Merthyr Tydfil, CF47 8EB | 177.9p | 202.9p | 1 |
| Esso Rontec DowlaisNew Road, Merthyr Tydfil, CF48 3DA | 177.9p | 199.9p | <1 |
Super unleaded, premium diesel, LPG and AdBlue in Merthyr Tydfil
Super unleaded (E5)
7 stations in and around Merthyr Tydfil sell super unleaded (e5), averaging 190.8p a litre. The cheapest is Gulf Rhymney Service Station at 174.9p.
Premium diesel
4 stations in and around Merthyr Tydfil sell premium diesel, averaging 217.2p a litre. The cheapest is BP Midglanmorgan at 209.9p.
LPG (autogas)
LPG pumps at Texaco Valley Heights Service Station.
AdBlue
AdBlue at the pump at Texaco Valley Heights Service Station.
Fuel price alerts for Merthyr Tydfil
Price alerts are coming soon. Join the waitlist and we'll email you when they start: an alert when fuel near you drops by 3p a litre or more, and the 10 cheapest pumps near your postcode every Friday.
Questions about fuel prices in Merthyr Tydfil
Where is the cheapest petrol in Merthyr Tydfil?
Today the cheapest petrol near Merthyr Tydfil is 170.7p a litre at Asda Aberdare Superstore, Riverside Retail Park, Aberdare, CF44 0AH.
How much is diesel in Merthyr Tydfil today?
Diesel averages 200.6p a litre across 3 forecourts in Merthyr Tydfil, against a UK average of 199.2p.
Which supermarket has the cheapest petrol in Merthyr Tydfil?
Asda Aberdare Superstore is cheapest at 170.7p a litre, 5 miles from the centre. We compare 3 supermarket forecourts in and near Merthyr Tydfil above.
How up to date are these prices?
Forecourts report their prices to the government's Fuel Finder scheme and we refresh them twice a day. These were last updated 17:30 on 16 Oct. Each forecourt's table row shows the day its price was reported.
Is there a 24-hour petrol station in Merthyr Tydfil?
Yes. EG Merthyr Tydfil and Esso Rontec Dowlais sell fuel 24 hours a day.