Live prices
Cheapest diesel (B7) in Cardiff
23 stations reporting diesel (B7), ranked cheapest first.
The cheapest reported diesel (B7) in Cardiff is 174.7p per litre at ASDA, LONGWOOD DRIVE, CORYTON ROUNDABOUT, CARDIFF (CF14 7EW). The average across 23 forecourts currently reporting this grade is 177.9p per litre, so choosing the cheapest rather than an average-priced forecourt saves about £1.60 on a 50-litre fill. That local average is 0.7p per litre below the UK average of 178.6p.
The average has risen 0.8p per litre since yesterday. The average has risen 7.0p per litre since last week.
Prices last refreshed at 5:31pm on 30 July 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
| Station | Unleaded | Diesel | Premium | Super diesel | Updated |
|---|---|---|---|---|---|
| ASDA (CF14 7EW)LONGWOOD DRIVE, CORYTON ROUNDABOUT, CARDIFF | 157.7p | 174.7p | -- | -- | 6 mins ago |
| TESCO (CF14 6BN)TESCO EXPRESS, TYN-Y-PARC ROAD, CARDIFF | 157.9p | 174.9p | 167.9p | -- | 6 mins ago |
| TIVOLI SERVICE STATION (CF14 2FF)TIVOLI SERVICE STATION, 14, STATION ROAD, LLANDAFF NORTH, CARDIFF | 158.9p | 174.9p | 166.9p | 179.9p | 6 mins ago |
| ASDA (CF11 8AZ)CAPITAL RETAIL PARK-LECKWITH ROAD, CARDIFF | 157.7p | 175.7p | -- | -- | 6 mins ago |
| BP (CF15 7UN)NANT GARW HILL, CARDIFF, MID GLAMORGAN | 157.9p | 175.9p | 176.9p | 194.9p | 6 mins ago |
| SAINSBURY'S (CF14 9BB)DISTRICT SHOPPING CENTRE, EXCALIBUR DRIVE, THORNHILL, CARDIFF | 158.9p | 175.9p | 170.9p | -- | 6 mins ago |
| ASDA (CF23 8NL)8 DERING ROAD, PONTPRENNAU, CARDIFF | 158.9p | 175.9p | -- | -- | 6 mins ago |
| ESSO (CF5 1BP)COWBRIDGE ROAD EAST, CARDIFF, MID GLAMORGAN | 157.9p | 176.9p | 176.9p | 195.9p | 6 mins ago |
| ESSO (CF11 9HA)CATHEDRAL ROAD, CARDIFF, SOUTH GLAMORGAN | 157.9p | 176.9p | -- | 195.9p | 6 mins ago |
| SAINSBURY'S (CF23 9XN)COLCHESTER AVENUE, PENYLAN, CARDIFF | 157.9p | 176.9p | -- | -- | 6 mins ago |
| TESCO (CF5 6XQ)CULVERHOUSE CROSS, CARDIFF | 158.9p | 176.9p | 169.9p | -- | 6 mins ago |
| TESCO (CF3 0EF)TESCO STORES LTD, CRICKHOWELL ROAD, ST. MELLONS, CARDIFF | 158.9p | 176.9p | 168.9p | -- | 6 mins ago |
| TESCO (CF14 3AT)EXCELSIOR ESTATE, EXCELSIOR ROAD, CARDIFF | 158.9p | 176.9p | 168.9p | -- | 6 mins ago |
| ASDA (CF11 0JR)FERRY ROAD RETAIL PARK, CARDIFF | 160.9p | 177.9p | -- | -- | 6 mins ago |
| TEXACO (CF14 4HT)THREE ARCHES SERVICES LTD, HEATHWOOD ROAD, CARDIFF, CF14 4HT, CARDIFF | 158.9p | 178.9p | -- | -- | 6 mins ago |
| TEXACO (CF3 5UG)ST. MELLONS SERVICE STATION, NEWPORT ROAD, OLD ST. MELLONS, CARDIFF | 159.9p | 178.9p | 179.9p | -- | 6 mins ago |
| TEXACO (CF5 2PW)LLANTRISANT ROAD, LLANDAFF, CARDIFF | 161.9p | 178.9p | 179.9p | -- | 6 mins ago |
| VALERO (CF23 9AD)NEWPORT ROAD, CARDIFF, SOUTH GLAMORGAN | 161.9p | 179.9p | 175.9p | -- | 6 mins ago |
| ESSO (CF23 9AE)NEWPORT ROAD, CARDIFF, SOUTH GLAMORGAN | 161.9p | 179.9p | 179.9p | 199.9p | 6 mins ago |
| ESSO (CF5 2PY)LLANTRISANT ROAD, CARDIFF | 162.9p | 179.9p | 181.9p | -- | 6 mins ago |
| ESSO (CF11 7AS)235 CORPORATION ROAD, CARDIFF, GLAMORGAN | 161.9p | 181.9p | 179.9p | 199.9p | 6 mins ago |
| TEXACO (CF23 7XH)PENTWYN SERVICE STATION, PENTWYN ROAD, PENTWYN, CARDIFF | 163.9p | 181.9p | 183.9p | 201.9p | 6 mins ago |
| VALERO (CF11 8WD)HADFIELD ROAD, CARDIFF, GLAMORGAN | 159.9p | 183.9p | 179.9p | 203.9p | 6 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 Cardiff
- Where is the cheapest diesel (B7) in Cardiff?
- The cheapest reported diesel (B7) in Cardiff is 174.7p per litre at ASDA, LONGWOOD DRIVE, CORYTON ROUNDABOUT, CARDIFF (CF14 7EW). The average across 23 forecourts reporting this grade is 177.9p per litre. Prices were last refreshed at 5:31pm on 30 July 2026 from official UK Government fuel price data.
- How many stations in Cardiff sell diesel (B7)?
- 23 forecourts in Cardiff 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.