Live prices
Cheapest diesel (B7) in Weymouth
6 stations reporting diesel (B7), ranked cheapest first.
The cheapest reported diesel (B7) in Weymouth is £8.72 a gallon (191.9p per litre) at Sainsbury's, Mercury Road, Weymouth (DT3 5BJ). The average across 6 forecourts currently reporting this grade is £8.86 a gallon (194.9p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £1.50 on a 50-litre fill. That local average is 1.3p per litre below the UK average of 196.2p.
The average has risen 0.2p per litre since yesterday. The average has risen 5.7p per litre since last week.
Prices last refreshed at 4:32pm 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 |
|---|---|---|---|---|---|
 Sainsburys Weymouth (DT3 5BJ)Mercury Road, Weymouth | £7.72169.9p | £8.72191.9p | £8.27181.9p | ---- | 23 mins ago |
 Asda Weymouth Express Petrol (DT4 7BJ)24hKing Street, Weymouth | £7.72169.9p | £8.77192.9p | £8.59188.9p | £9.63211.9p | 23 mins ago |
 Mfg Morrisons Weymouth (DT3 5HJ)Mercury Road, Weymouth, Dorset | £7.81171.9p | £8.81193.9p | £8.45185.9p | ---- | 23 mins ago |
| Lanehouse Rocks Rd Esso Express (DT4 9DJ)Lanehouse Rocks RD, Weymouth | £7.81171.9p | £8.91195.9p | £8.50186.9p | £9.54209.9p | 23 mins ago |
 Weymouth Sf Connect (DT3 5AS)24h316-318 Dorchester Road, Weymouth, Dorset | £7.95174.9p | £8.95196.9p | £8.91195.9p | £9.91217.9p | 23 mins ago |
| Mfg Weymouth (DT4 9TB)Cumberland Drive, Granby Ind Estate, Weymouth, Dorset | £7.91173.9p | £9.00197.9p | £8.63189.9p | £9.82215.9p | 23 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 diesel (B7) appear here.
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Questions about diesel (B7) in Weymouth
- Where is the cheapest diesel (B7) in Weymouth?
- The cheapest reported diesel (B7) in Weymouth is 191.9p per litre at Sainsbury's, Mercury Road, Weymouth (DT3 5BJ). The average across 6 forecourts reporting this grade is 194.9p per litre. Prices were last refreshed at 4:32pm on 20 September 2026 from official UK Government fuel price data.
- How many stations in Weymouth sell diesel (B7)?
- 6 forecourts in Weymouth currently report a price for diesel (B7) through the official UK fuel price open data scheme. Stations that do not sell or report this grade are not counted.