Live prices
Cheapest super diesel in Newtown
4 stations reporting super diesel, ranked cheapest first.
The cheapest reported super diesel in Newtown is £8.59 a gallon (189.0p per litre) at Tregynon Post Office and Stores, Post Office, Tregynon Garage, Tregynon, Newtown (SY16 3EL). The average across 4 forecourts currently reporting this grade is £9.52 a gallon (209.4p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £10.20 on a 50-litre fill. That local average is 5.8p per litre below the UK average of 215.2p.
The average is unchanged since yesterday. The average has risen 1.7p per litre since last week.
Prices last refreshed at 3:32pm on 20 September 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
| Station | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|
| Tregynon Post Office and Stores (SY16 3EL)Post Office, Tregynon Garage, Tregynon, Newtown | ---- | ---- | £8.14179.0p | £8.59189.0p | 45 mins ago |
 Eg Summer Lane Pfs (B19 3ND)24hSummer Lane, Newtown, West Midlands | £7.72169.9p | £8.72191.9p | £8.63189.9p | £9.63211.9p | 45 mins ago |
 Rontec Newtown (SY16 1DW)24hPool Road, Newtown, Powys | £7.81171.9p | £9.00197.9p | ---- | £9.86216.9p | 45 mins ago |
 Ascona Newtown Service Station (SY16 1ET)Llanidloes Road, Newtown, Newtown, Powys | £7.81171.7p | £8.99197.7p | £9.09199.9p | £10.00219.9p | 45 mins ago |
Prices are supplied through the official UK Government fuel price open data scheme (Open Government Licence v3.0) and checked every 30 minutes. Only stations reporting super diesel appear here.
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Questions about super diesel in Newtown
- Where is the cheapest super diesel in Newtown?
- The cheapest reported super diesel in Newtown is 189.0p per litre at Tregynon Post Office and Stores, Post Office, Tregynon Garage, Tregynon, Newtown (SY16 3EL). The average across 4 forecourts reporting this grade is 209.4p per litre. Prices were last refreshed at 3:32pm on 20 September 2026 from official UK Government fuel price data.
- How many stations in Newtown sell super diesel?
- 4 forecourts in Newtown currently report a price for super diesel through the official UK fuel price open data scheme. Stations that do not sell or report this grade are not counted.