Cheapest Petrol Prices in Cardiff
Last updated: · 20 stations tracked
Cheapest Petrol (E10)
171.7p
per litre · avg 174.29p
Cheapest Diesel (B7)
196.7p
per litre · avg 199.10p
Compare live petrol and diesel prices across 20 fuel stations in Cardiff. Prices are sourced from the UK Government's official fuel price database and updated every hour. The cheapest petrol in Cardiff today is 171.7p per litre, available at ASDA LECKWITH ROAD SUPERSTORE.
Supermarket forecourts — including Tesco, Asda, and Sainsbury's — typically offer the lowest prices in Cardiff. Motorway services and branded stations (BP, Shell, Esso) often charge a premium. Use the table below to find the best deal near you.
Fuel Station Prices in Cardiff
| Station | Unleaded (E10) | Diesel (B7) | Super Unleaded | Premium Diesel |
|---|---|---|---|---|
| TUDOR MOTORS | 171.9p | 199.9p | — | 219.9p |
| RONTEC CATHEDRAL | 173.9p | 199.9p | — | 218.9p |
| MFG CARDIFF | 174.9p | 199.9p | 195.9p | 219.9p |
| MFG NINIAN | 172.9p | 199.9p | 189.9p | — |
| MFG CARDIFF BAY | 173.9p | 199.9p | 195.9p | 219.9p |
| CITY FILLING STATION | 173.9p | 199.9p | — | — |
| ASDA LECKWITH ROAD SUPERSTORE | 171.7p | 196.7p | — | — |
| Dimes - London | 188.9p | — | — | 18.4p |
| PGG HADFIELD RD | 171.9p | 201.9p | 191.9p | 221.9p |
| CARDIFF EXTRA - PETROL FILLING STATION | 172.9p | 196.9p | 182.9p | — |
| SAINSBURYS COLCHESTER AVENUE | 174.9p | 198.9p | — | — |
| ASDA CARDIFF BAY SUPERSTORE | 171.9p | 196.9p | — | — |
| MFG CARDINAL | 174.9p | 199.9p | 189.9p | — |
| MFG PREMIER | 174.9p | 199.9p | 195.9p | 219.9p |
| MFG MORRISONS CARDIFF NEWPORT ROAD | 173.9p | 198.9p | 189.9p | 208.9p |
| MFG MORRISONS CARDIFF BAY | 171.9p | 196.9p | 189.9p | — |
| RONTEC RED DRAGON | 173.9p | 199.9p | 192.9p | 218.9p |
| CARDIFF PENGAM EXTRA - PETROL FILLING STATION | 173.9p | 197.9p | 183.9p | — |
| PENARTH SUPERSTORE - PETROL FILLING STATION | 172.9p | 196.9p | 182.9p | — |
| Tivoli Service Station | 175.9p | 201.9p | 185.9p | 209.9p |
Frequently Asked Questions
What is the cheapest petrol price in Cardiff?
The cheapest petrol in Cardiff is currently 171.7p per litre as of 21 October 2026. The average across all stations is 174.29p.
Which supermarket has the cheapest fuel in Cardiff?
Tesco, Asda, and Sainsbury's supermarket forecourts typically offer the lowest fuel prices in Cardiff. Check the price table above to compare all stations including branded and independent retailers.
How often are fuel prices updated for Cardiff?
Prices are updated hourly from the UK Government's mandatory fuel price reporting scheme, which requires all fuel retailers with 6 or more sites to submit prices every 30 minutes.