Live prices
Cheapest diesel (B7) in Swansea
23 stations reporting diesel (B7), ranked cheapest first.
The cheapest reported diesel (B7) in Swansea is 174.9p per litre at Tesco, Tesco Stores Ltd, Gwyns Drift, Alltwen, Pontardawe, Swansea (SA8 3AZ). The average across 23 forecourts currently reporting this grade is 181.6p per litre, so choosing the cheapest rather than an average-priced forecourt saves about £3.35 on a 50-litre fill. That local average is 0.2p per litre below the UK average of 181.8p.
The average has risen 0.2p per litre since yesterday. The average has risen 4.0p per litre since last week.
Prices last refreshed at 3:31am on 7 August 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
| Station | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|
 Tesco (SA8 3AZ)Tesco Stores Ltd, Gwyns Drift, Alltwen, Pontardawe, Swansea | 157.9p | 174.9p | 167.9p | -- | 8h ago |
 Esso (SA4 9AQ)24hSwansea Road, Swansea, West Glamorgan | 167.9p | 177.9p | -- | 196.9p | 8h ago |
 Murco (SA4 6SR)Merco, Glebe Road, Loughor, Swansea | 159.9p | 178.9p | -- | -- | 8h ago |
 Asda (SA6 8PS)24hUpper Forest Way, Swansea, Swansea | 161.7p | 179.7p | -- | -- | 8h ago |
 Texaco Killay (SA2 7AE)Texaco, 362-364, Gower Road, Killay, Swansea | 161.9p | 179.9p | -- | 194.9p | 8h ago |
| Texaco (SA7 9BA)24h117-129 Peniel Green Road, Llansamlet, Swansea | 161.9p | 179.9p | 182.9p | 200.9p | 8h ago |
| Tesco (SA5 4BA)24hPontardulais Road, Cadle, Swansea | 161.9p | 179.9p | 172.9p | -- | 8h ago |
| Tesco (SA7 9RD)24hNantyffin Road, Llansamlet, Swansea | 161.9p | 179.9p | 172.9p | -- | 8h ago |
 EG On the Move (SA1 8PA)24hFabian Way, Port Tennant, Swansea, Swansea | 163.9p | 179.9p | 183.9p | 199.9p | 8h ago |
 Sainsbury's (SA1 8JA)Quay Parade, Swansea | 163.9p | 179.9p | 175.9p | -- | 8h ago |
| EG On the Move (SA6 8EF)24hNeath Road, Morriston, Swansea, Swansea | 161.9p | 180.9p | 181.9p | 199.9p | 8h ago |
 BP (SA7 9AD)24hSamlet Road, Swansea, West Glamorgan | 162.9p | 180.9p | 181.9p | 199.9p | 8h ago |
| EG On the Move (SA5 4AN)24h1093 Carmarthen Road, Fforestfach, Swansea, Swansea | 162.9p | 180.9p | 182.1p | -- | 8h ago |
| Asda (SA9 2DE)Glanyrafon, Godrergraig, Swansea, Swansea | 161.9p | 181.9p | -- | -- | 8h ago |
| Murco (SA9 1SW)Continental Service Station (abercrave) Ltd, Caerbont, Abercrave, Swansea | 161.9p | 181.9p | 169.9p | -- | 8h ago |
| EG On the Move (SA13 1HN)24hTalbot Road, Port Talbot, Swansea, Swansea | 163.9p | 181.9p | 183.9p | 201.9p | 8h ago |
| Tesco (SA9 1AD)Wind Road, Ystradgynlais, Swansea | 161.9p | 182.9p | 171.9p | -- | 8h ago |
| Texaco (SA3 5AS)24hMumbles Road, Swansea, Mid Glamorgan | 163.9p | 182.9p | 175.9p | 195.9p | 8h ago |
| Broadway Service Station Texaco (SA2 0FA)Shell Uk Ltd, Broadway Service Station, Cockett Road, Cockett, Swansea | 163.9p | 182.9p | -- | -- | 8h ago |
| Texaco (SA5 9AX)24hLlangyfelach Road, Treboath, Swansea | 163.9p | 182.9p | 184.9p | -- | 8h ago |
| Esso (SA4 3EZ)62 Bryn-y-mor RD, Swansea | 165.9p | 182.9p | 180.9p | 196.9p | 8h ago |
| Texaco (SA9 2JX)Texaco Ltd, Woodlands Service Station, Wind Road, Ystradgynlais, Swansea, SA9 2JX, Swansea | 160.9p | 183.9p | -- | -- | 8h ago |
| BP (SA4 9GT)24hMotorwaySwansea Service Area, M4 J47, Swansea, West Glamorgan | 177.9p | 199.9p | 195.9p | 217.9p | 8h 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 Swansea
- Where is the cheapest diesel (B7) in Swansea?
- The cheapest reported diesel (B7) in Swansea is 174.9p per litre at Tesco, Tesco Stores Ltd, Gwyns Drift, Alltwen, Pontardawe, Swansea (SA8 3AZ). The average across 23 forecourts reporting this grade is 181.6p per litre. Prices were last refreshed at 3:31am on 7 August 2026 from official UK Government fuel price data.
- How many stations in Swansea sell diesel (B7)?
- 23 forecourts in Swansea 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.