Cheapest Petrol Prices in Sarn
Last updated: · 10 stations tracked
Cheapest Petrol (E10)
173.9p
per litre · avg 175.51p
Cheapest Diesel (B7)
197.9p
per litre · avg 199.53p
Compare live petrol and diesel prices across 10 fuel stations in Sarn. Prices are sourced from the UK Government's official fuel price database and updated every hour. The cheapest petrol in Sarn today is 173.9p per litre, available at Glanmule Garage.
Supermarket forecourts — including Tesco, Asda, and Sainsbury's — typically offer the lowest prices in Sarn. Motorway services and branded stations (BP, Shell, Esso) often charge a premium. Use the table below to find the best deal near you.
Fuel Station Prices in Sarn
| Station | Unleaded (E10) | Diesel (B7) | Super Unleaded | Premium Diesel |
|---|---|---|---|---|
| Glanmule Garage | 173.9p | 199.9p | — | — |
| R H BUNNER & SON LTD | 180p | 199.8p | — | — |
| OUR COOP CHURCHSTOKE | 173.9p | 199.9p | 186.9p | — |
| MFG MORRISONS NEWTOWN | 173.9p | 198.9p | 189.9p | — |
| NEWTOWN SUPERSTORE - PETROL FILLING STATION | 174.9p | 199.9p | 184.9p | — |
| RONTEC NEWTOWN | 175.9p | 199.9p | — | 218.9p |
| ASCONA NEWTOWN SERVICE STATION | 174.7p | 199.7p | 199.9p | 219.9p |
| BR Bishop Castle | 176.9p | 199.9p | — | — |
| Tregynon Post office and stores | — | — | 179p | 198p |
| BORDER GARAGE WELSHPOOL LTD | — | 197.9p | 177.9p | — |
Frequently Asked Questions
What is the cheapest petrol price in Sarn?
The cheapest petrol in Sarn is currently 173.9p per litre as of 19 October 2026. The average across all stations is 175.51p.
Which supermarket has the cheapest fuel in Sarn?
Tesco, Asda, and Sainsbury's supermarket forecourts typically offer the lowest fuel prices in Sarn. Check the price table above to compare all stations including branded and independent retailers.
How often are fuel prices updated for Sarn?
Prices are updated hourly from the UK Government's mandatory fuel price reporting scheme, which requires all fuel retailers with 6 or more sites to submit prices every 30 minutes.