Fuel Prices in Machynlleth
Live comparison for SY20 area. Tracking 2 stations across 37 brands. For a detailed breakdown including 7-day price trends, market competition analysis, and savings tips, and also find Today’s Cheapest Petrol and Diesel in Machynlleth .
Wales
2 Stations
2 Brands
Updated 19 Jun 2026
View Machynlleth on the Fuel Map
Compare all 2 stations visually on our interactive map to find the cheapest fuel near your route.
7-Day Price Movement
Petrol (E10)
156.1p
155.6p
Diesel (B7)
177.6p
177.7p
Cheapest Today
Area Averages vs National
Petrol
156.4p
▲ 1.0p vs UK Avg
Super Unleaded
189.9p
▲ 17.0p vs UK Avg
Diesel
182.9p
▲ 4.8p vs UK Avg
Super Diesel
214.9p
▲ 17.2p vs UK Avg
All Fuel Stations in Machynlleth (SY20)
Mallwyd Service Station
MALLWYD SERVICE STATION, MALLWYD, MACHYNLLETH, SY20 9HN, MACHYNLLETH, Wales
Frequently Asked Questions About Fuel in Machynlleth
As of 19 June 2026, the cheapest E10 petrol in Machynlleth is 155.9p at TEXACO, HEOL Y DOLL, MACHYNLLETH, MACHYNLLETH, POWYS, WALES.
There is currently a 1.0p difference between the cheapest and most expensive stations in Machynlleth. For a standard 55-litre family car, that equals a saving of £0.55 per tank.
We update prices daily using data provided directly by fuel stations via the Competition and Markets Authority (CMA) Open Data scheme. This is a UK Government initiative requiring all major retailers to report live prices, ensuring you see the most accurate data for the Powys area.
Not today. TEXACO is actually cheaper than local supermarkets in SY20. It's always worth comparing before filling up.
We are currently tracking 2 active fuel stations in the SY20 area, operated by 2 different brands including TEXACO, Mallwyd Service Station and more.
The cheapest B7 diesel in Machynlleth is currently 176.9p at Mallwyd Service Station. You can also use our interactive fuel map to compare diesel prices visually.
Nearby Locations
Prices sourced from the UK Government CMA Open Data Scheme, updated every 30 minutes. CheckFuelPrices is editorially independent — read our policy.