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Cheapest Petrol & Diesel in Merthyr Tydfil Today

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Last updated: · Prices refresh every 30 minutes from the UK government's Fuel Finder service.

Cheapest Petrol in Merthyr Tydfil

150.9p per litre at Asda, Pant Merthyr Tydfil
Area average: 152.7p — save up to 1.8p/litre

Cheapest Diesel in Merthyr Tydfil

165.9p per litre at Asda, Pant Merthyr Tydfil
Area average: 172.4p — save up to 6.5p/litre
Browse by brand: AsdaEG On The MoveEssoTexaco

Worth the Drive?

Petrol averages 1.8p less in Pant (150.9p vs 152.7p here). The round trip is about 1 miles each way, costing roughly £0.45 in fuel at 35 mpg. A 60‑litre fill would save £1.05 — a net saving of £0.60 after the return journey.

Diesel averages 6.5p less in Pant (165.9p vs 172.4p here). The round trip is about 1 miles each way, costing roughly £0.34 in fuel at 50 mpg. A 60‑litre fill would save £3.90 — a net saving of £3.56 after the return journey.

There are 4 fuel stations in Merthyr Tydfil reporting live prices via the UK government's Fuel Finder service. Unleaded petrol (E10) averages 152.7p per litre across 4 stations. Diesel (B7) averages 172.4p across 4 stations. Unleaded is 0.4p below the national average of 153.1p.

Use our fuel station finder to find the most economical place to fill up near you, or calculate the fuel cost of a longer trip from Merthyr Tydfil.

Fuel Stations in Merthyr Tydfil

Station Postcode E10 E5 B7 SDV
Asda, Pant Merthyr Tydfil CF48 2YF 150.9p Cheapest 165.9p Cheapest
EG On The Move, Merthyr Tydfil CF47 8EB 151.9p 171.9p 171.9p
Esso, Dowlais Merthyr Tydfil CF48 3DA 151.9p 170.9p Cheapest 171.9p 190.9p Cheapest
Texaco, Dowlais Merthyr Tydfil CF48 2YE 155.9p 173.9p 179.9p 194.9p

Station Map

Average Petrol and Diesel Prices in Merthyr Tydfil (pence per litre)

Unleaded (E10)
152.7p
4 stations
±1.9p std dev
0.4p below national
Super Unleaded (E5)
172.2p
3 stations
±1.2p std dev
+0.7p vs national
Diesel (B7)
172.4p
4 stations
±5.0p std dev
+1.3p vs national
Premium Diesel
192.9p
2 stations
±2.0p std dev
+1.1p vs national

30-Day Price Trend in the Cardiff Region (pence per litre)

Daily averages across all stations in the Cardiff postcode area over the last 30 days. Merthyr Tydfil sits within this region.

What does fuel cost a typical driver in Merthyr Tydfil?

At current prices, a typical driver covering 12000 miles a year in a petrol car averaging 35 mpg spends about £2379/year on fuel in Merthyr Tydfil (at 152.7p/L). That's £7 less than the UK average of £2386. Across the wider Cardiff (CF) postcode area petrol averages 150.7p/L, working out at £2349/year.

A diesel driver doing the same 12000 miles at 50 mpg spends about £1881/year at Merthyr Tydfil's average diesel price of 172.4p/L. That's £14 more than the UK average of £1867. Across the wider Cardiff (CF) postcode area diesel averages 168.0p/L — £1833/year.

Choose the right station — save £££

The cheapest petrol in Merthyr Tydfil is 150.9p/L and the most expensive is 155.9p/L — a 5.0p/L spread. Filling a 60‑litre tank at the cheapest vs the dearest saves £3.00.

For diesel the spread is 14.0p/L (165.9p cheapest, 179.9p dearest) — £8.40 saved on a 60‑litre fill.

Fuel Prices by Brand in Merthyr Tydfil

Average prices and cheapest station for each fuel brand in Merthyr Tydfil.

Asda Fuel Prices in Merthyr Tydfil

There is 1 Asda forecourt in Merthyr Tydfil. Petrol is 150.9p/L1.8p below the Merthyr Tydfil average. Diesel is 165.9p/L (6.5p below town avg). Live prices: Asda, Pant. Asda fuel prices across the UK →

Show station details
StationPostcodeE10B7
Asda, Pant CF48 2YF 150.9p 165.9p

EG On The Move Fuel Prices in Merthyr Tydfil

There is 1 EG On The Move forecourt in Merthyr Tydfil. Petrol is 151.9p/L0.8p below the Merthyr Tydfil average. Diesel is 171.9p/L (0.5p below town avg). Live prices: EG On The Move, Merthyr Tydfil. EG On The Move fuel prices across the UK →

Show station details
StationPostcodeE10B7
EG On The Move, Merthyr Tydfil CF47 8EB 151.9p 171.9p

Esso Fuel Prices in Merthyr Tydfil

There is 1 Esso forecourt in Merthyr Tydfil. Petrol is 151.9p/L0.8p below the Merthyr Tydfil average. Diesel is 171.9p/L (0.5p below town avg). Live prices: Esso, Dowlais. Esso fuel prices across the UK →

Show station details
StationPostcodeE10B7
Esso, Dowlais CF48 3DA 151.9p 171.9p

Texaco Fuel Prices in Merthyr Tydfil

There is 1 Texaco forecourt in Merthyr Tydfil. Petrol is 155.9p/L3.3p above the Merthyr Tydfil average. Diesel is 179.9p/L (7.5p above town avg). Live prices: Texaco, Dowlais. Texaco fuel prices across the UK →

Show station details
StationPostcodeE10B7
Texaco, Dowlais CF48 2YE 155.9p 179.9p

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Frequently Asked Questions

The cheapest unleaded petrol (E10) in Merthyr Tydfil today is 150.9p per litre at ASDA, CF48 2YF. The average across 4 stations is 152.7p. Prices are sourced from the UK government's Fuel Finder service and updated every 30 minutes.

The cheapest diesel (B7) in Merthyr Tydfil today is 165.9p per litre at ASDA, CF48 2YF. The average across 4 stations is 172.4p. Prices are sourced from the UK government's Fuel Finder service.

The average unleaded (E10) price in Merthyr Tydfil is 152.7p per litre from 4 stations. The national average is 153.1p, so Merthyr Tydfil is 0.4p below the national average.

The average diesel (B7) price in Merthyr Tydfil is 172.4p per litre from 4 stations. The national average is 171.1p, so Merthyr Tydfil is 1.3p above the national average.

There are currently 4 fuel stations reporting prices in Merthyr Tydfil. This includes supermarket forecourts, independent stations, and branded sites.

Fuel prices on MPG Calc are updated every 30 minutes using official data from the UK government's Fuel Finder service. All retailers with 250+ filling stations are required by law to report their prices, covering the vast majority of UK forecourts.