Cheapest Petrol Prices in Cardiff Gate
Last updated: · 20 stations tracked
Cheapest Petrol (E10)
148.9p
per litre · avg 153.40p
Cheapest Diesel (B7)
161.9p
per litre · avg 165.79p
Compare live petrol and diesel prices across 20 fuel stations in Cardiff Gate. Prices are sourced from the UK Government's official fuel price database and updated every hour. The cheapest petrol in Cardiff Gate today is 148.9p per litre, available at SAINSBURYS THORNHILL.
Supermarket forecourts — including Tesco, Asda, and Sainsbury's — typically offer the lowest prices in Cardiff Gate. 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 Gate
| Station | Unleaded (E10) | Diesel (B7) | Super Unleaded | Premium Diesel |
|---|---|---|---|---|
| WELCOME BREAK CARDIFF | 154.9p | 179.9p | 166.9p | 191.9p |
| ASDA PENTWYN SUPERSTORE | 150.9p | 162.9p | — | — |
| Pentwyn Service Station | 156.9p | 172.9p | 175.9p | 193.9p |
| St Mellons Service Station | 151.9p | 162.9p | 171.9p | — |
| ST MELLONS SUPERSTORE - PETROL FILLING STATION | 151.9p | 164.9p | 161.9p | — |
| MFG CASTLETON | 152.9p | 163.9p | 169.9p | 185.9p |
| Texaco Three Arches Services | 149.9p | 164.9p | — | — |
| SAINSBURYS THORNHILL | 148.9p | 163.9p | 160.9p | — |
| MFG MORRISONS CARDIFF NEWPORT ROAD | 151.9p | 162.9p | 165.9p | 172.9p |
| MFG PREMIER | 152.9p | 164.9p | 169.9p | 185.9p |
| MFG CARDINAL | 152.9p | 164.9p | 165.9p | — |
| SAINSBURYS COLCHESTER AVENUE | 150.9p | 161.9p | — | — |
| MFG MORRISONS CARDIFF TYGLASS | 149.9p | 163.9p | 165.9p | — |
| CARDIFF PENGAM EXTRA - PETROL FILLING STATION | 151.9p | 164.9p | 161.9p | — |
| Dimes - London | 188.9p | — | — | 18.4p |
| MFG CARDIFF | 152.9p | 164.9p | 169.9p | 185.9p |
| CARDIFF TYN-Y-PARC EXPRESS | 148.9p | 166.9p | 158.9p | — |
| CITY FILLING STATION | 149.9p | 162.9p | — | — |
| ASDA CHEQUERED FLAG EXPRESS PETROL | 148.9p | 168.9p | 167.9p | 187.9p |
| CARDIFF EXTRA - PETROL FILLING STATION | 149.9p | 166.9p | 159.9p | — |
Frequently Asked Questions
What is the cheapest petrol price in Cardiff Gate?
The cheapest petrol in Cardiff Gate is currently 148.9p per litre as of 20 July 2026. The average across all stations is 153.40p.
Which supermarket has the cheapest fuel in Cardiff Gate?
Tesco, Asda, and Sainsbury's supermarket forecourts typically offer the lowest fuel prices in Cardiff Gate. Check the price table above to compare all stations including branded and independent retailers.
How often are fuel prices updated for Cardiff Gate?
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.