Fuel prices
Petrol and diesel prices in Cardiff
Average pump prices across 31 filling stations in Cardiff, from the prices every UK forecourt must now publish under the government’s Fuel Finder scheme. Checked 16 Sept, 16:47.
- Average unleaded petrol 171.3p 0.4p below the UK average
- Average diesel 194.3p 0.3p below the UK average
- Cheapest petrol 167.9p Asda Cardiff Bay Superstore
- Filling stations 31 16 at supermarkets
Unleaded petrol averages 171.3p a litre across 31 forecourts in Cardiff, 0.4p below the UK average. Diesel averages 194.3p, 0.3p below the UK average. The cheapest petrol is at Asda Cardiff Bay Superstore, 167.9p; the dearest is 177.9p. The cheapest diesel is at Asda Leckwith Road Superstore, 191.7p.
Cheapest petrol and diesel in Cardiff
| Filling station | Price |
|---|---|
 Asda Cardiff Bay Superstore Cardiff | 167.9p |
 Tesco Cardiff Tyn-Y-Parc Express Cardiff | 168.9p |
| Tesco St Mellons Superstore Cardiff | 168.9p |
| Asda Cardiff Coryton Supercentre Cardiff | 169.7p |
| Asda Leckwith Road Superstore Cardiff | 169.7p |
| Asda Pentwyn Superstore Cardiff | 169.9p |
| Tesco Cardiff Extra Cardiff | 169.9p |
| Tesco Cardiff Pengam Extra Caerdydd | 169.9p |
 Texaco City CF14 | 169.9p |
 MFG Morrisons Cardiff Bay Cardiff Bay | 169.9p |
| Filling station | Price |
|---|---|
| Asda Leckwith Road Superstore Cardiff | 191.7p |
| Asda Cardiff Bay Superstore Cardiff | 191.9p |
| Tesco Cardiff Extra Cardiff | 191.9p |
| Tesco Cardiff Tyn-Y-Parc Express Cardiff | 191.9p |
| Tesco St Mellons Superstore Cardiff | 191.9p |
| Asda Cardiff Coryton Supercentre Cardiff | 192.7p |
| Asda Pentwyn Superstore Cardiff | 192.9p |
 Esso Asda Radyr Express Petrol Cardiff | 192.9p |
| Tesco Cardiff Pengam Extra Caerdydd | 192.9p |
| MFG Morrisons Cardiff Bay Cardiff Bay | 192.9p |
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Supermarkets against other forecourts
Supermarket petrol is 2.5p a litre cheaper on average than at other forecourts in Cardiff.
| Forecourts | Petrol | Diesel | Stations |
|---|---|---|---|
| Supermarkets | 169.9p | 192.8p | 16 |
| Other forecourts | 172.4p | 195.5p | 13 |
Council areas in Wales, cheapest first
Cardiff is number 14 of 22 for petrol.
| Area | Petrol | Diesel |
|---|---|---|
| Pembrokeshire | 168.0p | 191.5p |
| Torfaen | 168.7p | 191.0p |
| Caerphilly | 168.8p | 191.7p |
| Ceredigion | 169.3p | 193.7p |
| Neath Port Talbot | 169.3p | 192.7p |
| Vale of Glamorgan | 169.4p | 193.9p |
| Carmarthenshire | 169.5p | 192.3p |
| Bridgend | 169.8p | 193.1p |
| Rhondda Cynon Taf | 170.1p | 193.2p |
| Isle of Anglesey | 170.2p | 194.7p |
| Blaenau Gwent | 170.2p | 191.4p |
| Powys | 170.9p | 194.9p |
| Wrexham | 171.3p | 193.0p |
| Cardiff | 171.3p | 194.3p |
| Gwynedd | 171.4p | 195.3p |
| Newport | 171.4p | 194.4p |
| Swansea | 172.6p | 195.1p |
| Merthyr Tydfil | 173.7p | 198.5p |
| Monmouthshire | 173.8p | 196.3p |
| Flintshire | 174.3p | 195.1p |
| Denbighshire | 174.6p | 195.4p |
| Conwy | 175.4p | 196.7p |
Every filling station in Cardiff
| Filling station | Petrol | Diesel |
|---|---|---|
| Asda Cardiff Bay Superstore Cardiff · supermarket | 167.9p | 191.9p |
| Tesco Cardiff Tyn-Y-Parc Express Cardiff · supermarket | 168.9p | 191.9p |
| Tesco St Mellons Superstore Cardiff · supermarket | 168.9p | 191.9p |
| Asda Cardiff Coryton Supercentre Cardiff · supermarket | 169.7p | 192.7p |
| Asda Leckwith Road Superstore Cardiff · supermarket | 169.7p | 191.7p |
| Asda Pentwyn Superstore Cardiff · supermarket | 169.9p | 192.9p |
| Tesco Cardiff Extra Cardiff · supermarket | 169.9p | 191.9p |
| Tesco Cardiff Pengam Extra Caerdydd · supermarket | 169.9p | 192.9p |
| Texaco City CF14 · supermarket | 169.9p | 193.9p |
| MFG Morrisons Cardiff Bay Cardiff Bay · supermarket | 169.9p | 192.9p |
| MFG Morrisons Cardiff Newport Road Pen-Y-Lan · supermarket | 169.9p | 192.9p |
| MFG Morrisons Cardiff Tyglass Llanishen · supermarket | 169.9p | 192.9p |
 Valero Pgg Hadfield Rd Cardiff | 169.9p | 195.9p |
 Sainsbury's Thornhill Cardiff · supermarket | 169.9p | 192.9p |
| Texaco St Mellons Service Station Cardiff | 169.9p | 193.9p |
| Texaco Tudor Motors Caerdydd · supermarket | 169.9p | 195.9p |
| Sainsbury's Colchester Avenue Cardiff · supermarket | 170.9p | 192.9p |
| Esso Asda Radyr Express Petrol Cardiff | 171.9p | 192.9p |
| Esso Rontec Cathedral Cardiff | 171.9p | 193.9p |
| Esso Rontec Red Dragon Cardiff | 171.9p | 193.9p |
| Texaco Asda Llantrisant Express Petrol Cardiff | 172.9p | 193.9p |
| Esso MFG Cardiff Roath | 172.9p | 196.9p |
| Esso MFG Cardiff Bay Cardiff | 172.9p | 196.9p |
| Valero MFG Cardinal Cardiff | 172.9p | 196.9p |
| Texaco MFG Ninian Leckwith | 172.9p | 196.9p |
| Esso MFG Premier Cardiff | 172.9p | 196.9p |
| Texaco Three Arches Services Cardiff · supermarket | 172.9p | 192.9p |
| Tivoli Service Station Cardiff | 172.9p | 192.9p |
| BP Rontec Cardiff West Nr Pontyclun · motorway | 173.9p | 197.9p |
| Texaco Pentwyn Service Station Cardiff | 174.9p | 199.9p |
 Welcome Break Cardiff Cardiff Gate · motorway | 177.9p | 199.9p |
A dash means no current price: none reported, not changed for over two weeks, or not believable.
Data sources and methodology
| Figures | Source | Period | Records | Updated |
|---|---|---|---|---|
| Forecourt prices | Fuel Finder open data Fuel Finder statutory scheme ONS Postcode Directory Office for National Statistics | Prices at 16:47 on 16 September 2026 | 8,070 filling stations | 16 September 2026 |
- Averages use unleaded (E10) and standard diesel (B7) prices at open forecourts, leaving out prices unchanged for over two weeks or far from every other forecourt. They count each forecourt once, not by how much fuel it sells.
- Forecourts are placed in council areas from their postcode, using the ONS Postcode Directory.
Source: Fuel Finder, the UK government’s statutory fuel price scheme.
Source: Office for National Statistics licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026.