Live prices
Cheapest petrol and diesel near DT4
8 forecourts within 5 miles of the centre of the DT4 postcode district, 3 of them inside DT4 itself.
The cheapest reported unleaded petrol (E10) within 5 miles of the centre of DT4 is £7.72 a gallon (169.9p per litre) at Sainsbury's, Mercury Road, Weymouth (DT3 5BJ). The average across 8 forecourts currently reporting this grade is £7.83 a gallon (172.3p per litre), so choosing the cheapest rather than an average-priced forecourt saves about £1.20 on a 50-litre fill. That local average is 0.2p per litre below the UK average of 172.5p.
The average has risen 0.4p per litre since yesterday. The average has risen 3.4p per litre since last week.
Prices last refreshed at 7:31am on 21 September 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
Unleaded Prices
Unleaded (E10)
- Highest
- £8.00/gal175.9p/L
- Average
- £7.83/gal172.3p/L
- Lowest
- £7.72/gal169.9p/L
Diesel Prices
Diesel (B7)
- Highest
- £9.09/gal199.9p/L
- Average
- £8.88/gal195.4p/L
- Lowest
- £8.77/gal192.9p/L
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- £8.91/gal195.9p/L
- Average
- £8.56/gal188.2p/L
- Lowest
- £8.18/gal179.9p/L
Super Diesel Prices
Super Diesel (SDV)
- Highest
- £9.91/gal217.9p/L
- Average
- £9.68/gal212.9p/L
- Lowest
- £9.36/gal205.9p/L
Every station near DT4, cheapest unleaded first
| Station | Distance | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|---|
 Sainsburys Weymouth (DT3 5BJ)Mercury Road, Weymouth | 1.8 miles | £7.72169.9p | £8.77192.9p | £8.27181.9p | ---- | 8h ago |
 Portland (DT5 1BW)24hTop Of Hill, Easton Lane, Portland, Dorset | 4.1 miles | £7.72169.9p | £8.77192.9p | £8.18179.9p | £9.36205.9p | 8h ago |
 Asda Weymouth Express Petrol (DT4 7BJ)24hKing Street, Weymouth | 0.6 miles | £7.72169.9p | £8.77192.9p | £8.59188.9p | £9.63211.9p | 8h ago |
| Lanehouse Rocks Rd Esso Express (DT4 9DJ)Lanehouse Rocks RD, Weymouth | 0.9 miles | £7.81171.9p | £8.91195.9p | £8.50186.9p | £9.54209.9p | 8h ago |
 Mfg Morrisons Weymouth (DT3 5HJ)Mercury Road, Weymouth, Dorset | 1.6 miles | £7.81171.9p | £8.81193.9p | £8.45185.9p | ---- | 8h ago |
| Mfg Weymouth (DT4 9TB)Cumberland Drive, Granby Ind Estate, Weymouth, Dorset | 1 mile | £7.91173.9p | £9.00197.9p | £8.63189.9p | £9.82215.9p | 8h ago |
 Weymouth Sf Connect (DT3 5AS)24h316-318 Dorchester Road, Weymouth, Dorset | 1.9 miles | £7.95174.9p | £8.95196.9p | £8.91195.9p | £9.91217.9p | 8h ago |
 Mfg Osprey Quay (DT5 1GE)24hMereside, Portland, Dorset | 3.1 miles | £8.00175.9p | £9.09199.9p | £8.91195.9p | £9.82215.9p | 8h ago |
The market shown is a fixed 5-mile radius from the centre of the DT4 postcode district. Not every station reports every fuel grade, so grade averages state how many stations they cover. Prices are supplied through the official UK Government fuel price open data scheme (Open Government Licence v3.0) and checked every 30 minutes.
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Answers come straight from recorded official price data, refreshed every 30 minutes.
By fuel grade near DT4
Worth the drive?
Filling 50 litres at the cheapest reported station rather than an average-priced one saves about £1.20 today.
Questions about fuel prices near DT4
- Where is the cheapest petrol near DT4?
- The cheapest reported unleaded petrol (E10) within 5 miles of the centre of DT4 is 169.9p per litre at Sainsbury's, Mercury Road, Weymouth (DT3 5BJ). The local average is 172.3p across 8 forecourts reporting this grade. Prices were last refreshed at 7:31am on 21 September 2026 from official UK Government fuel price data.
- Where is the cheapest diesel near DT4?
- The cheapest reported diesel (B7) within 5 miles of the centre of DT4 is 192.9p per litre at Sainsbury's, Mercury Road, Weymouth (DT3 5BJ). The local average is 195.4p per litre.
- How often are fuel prices in DT4 updated?
- Prices are supplied by fuel retailers through the official UK Government fuel price open data scheme and checked every 30 minutes. Each station row shows when its price was last recorded.