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Cheapest Petrol & Diesel in Ystradgynlais Today

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

Cheapest Petrol in Ystradgynlais

Area average: 153.6p — save up to 2.7p/litre

Cheapest Diesel in Ystradgynlais

Area average: 174.6p — save up to 4.7p/litre
See all 3 stations View on map 30-day trend Annual cost
Browse by brand: MurcoTescoTexaco

Worth the Drive?

Petrol averages 2.4p less in Ystalyfera (151.2p vs 153.6p here). The round trip is about 1 miles each way, costing roughly £0.52 in fuel at 35 mpg. A 60‑litre fill would save £1.42 — a net saving of £0.90 after the return journey.

Diesel averages 4.0p less in Ystalyfera (170.6p vs 174.6p here). The round trip is about 1 miles each way, costing roughly £0.41 in fuel at 50 mpg. A 60‑litre fill would save £2.38 — a net saving of £1.97 after the return journey.

There are 3 fuel stations in Ystradgynlais reporting live prices via the UK government's Fuel Finder service. Unleaded petrol (E10) averages 153.6p per litre across 3 stations. Diesel (B7) averages 174.6p across 3 stations. Unleaded is 0.7p above the national average of 152.9p.

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 Ystradgynlais.

Fuel Stations in Ystradgynlais

Station ⇅ Postcode ⇅ E10 ⇅ E5 ⇅ B7 ⇅ SDV ⇅
Murco, Ystradgynlais SA9 1SW 157.9p 165.9p 181.9p –
Tesco, Ystalyfera Ystradgynlais SA9 1AD Super-market 150.9p Cheapest 159.9p Cheapest 169.9p Cheapest –
Texaco, Ystalyfera Ystradgynlais SA9 2JX Super-market 151.9p – 171.9p –

Station Map

Nearby Towns

Ystalyfera
3 stations
Unleaded avg 151.2p
Diesel avg 170.6p
Rhos
1 stations
Unleaded avg 153.9p
Diesel avg 171.9p
Gwaun-Cae-Gurwen
1 stations
Unleaded avg 153.9p
Brynamman
1 stations
Unleaded avg 153.9p
Cilybebyll
2 stations
Unleaded avg 153.9p
Diesel avg 171.9p
Alltwen
1 stations
Unleaded avg 153.9p
Diesel avg 171.9p
Cwmgwrach
1 stations
Unleaded avg 154.9p
Diesel avg 171.9p
Blaengwrach
1 stations
Unleaded avg 154.9p
Diesel avg 171.9p

Average Petrol and Diesel Prices in Ystradgynlais (pence per litre)

Unleaded (E10)
153.6p
3 stations
±3.1p std dev
+0.7p vs national
Super Unleaded (E5)
162.9p
2 stations
±3.0p std dev
8.4p below national
Diesel (B7)
174.6p
3 stations
±5.2p std dev
+4.0p vs national

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

Daily averages across all stations in the Swansea postcode area over the last 30 days. Ystradgynlais sits within this region.

What does fuel cost a typical driver in Ystradgynlais?

At current prices, a typical driver covering 12000 miles a year in a petrol car averaging 35 mpg spends about £2394/year on fuel in Ystradgynlais (at 153.6p/L). That's £10 more than the UK average of £2383. Across the wider Swansea (SA) postcode area petrol averages 152.4p/L, working out at £2375/year.

A diesel driver doing the same 12000 miles at 50 mpg spends about £1905/year at Ystradgynlais's average diesel price of 174.6p/L. That's £43 more than the UK average of £1861. Across the wider Swansea (SA) postcode area diesel averages 167.6p/L — £1829/year.

Choose the right station — save £££

The cheapest petrol in Ystradgynlais is 150.9p/L and the most expensive is 157.9p/L — a 7.0p/L spread. Filling a 60‑litre tank at the cheapest vs the dearest saves £4.20.

For diesel the spread is 12.0p/L (169.9p cheapest, 181.9p dearest) — £7.20 saved on a 60‑litre fill.

Fuel Prices by Brand in Ystradgynlais

Average prices and cheapest station for each fuel brand in Ystradgynlais.

Murco Fuel Prices in Ystradgynlais

There is 1 Murco forecourt in Ystradgynlais. Petrol is 157.9p/L — 4.3p above the Ystradgynlais average. Diesel is 181.9p/L (7.3p above town avg). Live prices: Murco, Ystradgynlais. Murco fuel prices across the UK →

Show station details
StationPostcodeE10B7
Murco, Ystradgynlais SA9 1SW 157.9p 181.9p

Tesco Fuel Prices in Ystradgynlais

There is 1 Tesco forecourt in Ystradgynlais. Petrol is 150.9p/L — 2.7p below the Ystradgynlais average. Diesel is 169.9p/L (4.7p below town avg). Live prices: Tesco, Ystalyfera. Tesco fuel prices across the UK →

Show station details
StationPostcodeE10B7
Tesco, Ystalyfera SA9 1AD 150.9p 169.9p

Texaco Fuel Prices in Ystradgynlais

There is 1 Texaco forecourt in Ystradgynlais. Petrol is 151.9p/L — 1.7p below the Ystradgynlais average. Diesel is 171.9p/L (2.7p below town avg). Live prices: Texaco, Ystalyfera. Texaco fuel prices across the UK →

Show station details
StationPostcodeE10B7
Texaco, Ystalyfera SA9 2JX 151.9p 171.9p

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Frequently Asked Questions

The cheapest unleaded petrol (E10) in Ystradgynlais today is 150.9p per litre at TESCO, SA9 1AD. The average across 3 stations is 153.6p. Prices are sourced from the UK government's Fuel Finder service and updated every 30 minutes.

The cheapest diesel (B7) in Ystradgynlais today is 169.9p per litre at TESCO, SA9 1AD. The average across 3 stations is 174.6p. Prices are sourced from the UK government's Fuel Finder service.

The average unleaded (E10) price in Ystradgynlais is 153.6p per litre from 3 stations. The national average is 152.9p, so Ystradgynlais is 0.7p above the national average.

The average diesel (B7) price in Ystradgynlais is 174.6p per litre from 3 stations. The national average is 170.6p, so Ystradgynlais is 4.0p above the national average.

There are currently 3 fuel stations reporting prices in Ystradgynlais. 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.