Cheapest Petrol Prices in Cardiff Bay

Last updated: · 20 stations tracked

Cheapest Petrol (E10)

152.9p

per litre · avg 158.49p

Cheapest Diesel (B7)

175.9p

per litre · avg 179.31p

Compare live petrol and diesel prices across 20 fuel stations in Cardiff Bay. Prices are sourced from the UK Government's official fuel price database and updated every hour. The cheapest petrol in Cardiff Bay today is 152.9p per litre, available at SAINSBURYS COLCHESTER AVENUE.


Supermarket forecourts — including Tesco, Asda, and Sainsbury's — typically offer the lowest prices in Cardiff Bay. 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 Bay

StationUnleaded (E10)Diesel (B7)Super UnleadedPremium Diesel
MFG CARDIFF BAY158.9p179.9p179.9p199.9p
ASDA CARDIFF BAY SUPERSTORE153.9p175.9p
MFG MORRISONS CARDIFF BAY155.9p176.9p169.9p
TUDOR MOTORS156.9p181.9p199.9p
MFG NINIAN158.9p179.9p175.9p
PGG HADFIELD RD159.9p179.9p179.9p199.9p
PENARTH SUPERSTORE - PETROL FILLING STATION155.9p176.9p164.9p
MFG CARDIFF157.9p179.9p179.9p199.9p
RONTEC CATHEDRAL157.9p179.9p198.9p
Dimes - London188.9p18.4p
ASDA LECKWITH ROAD SUPERSTORE154.7p176.7p
CARDIFF PENGAM EXTRA - PETROL FILLING STATION155.9p176.9p164.9p
SAINSBURYS COLCHESTER AVENUE152.9p176.9p
MFG CARDINAL157.9p179.9p175.9p
MFG PREMIER157.9p179.9p179.9p199.9p
CITY FILLING STATION158.9p186.9p
MFG MORRISONS CARDIFF NEWPORT ROAD152.9p176.9p169.9p186.9p
CARDIFF EXTRA - PETROL FILLING STATION155.9p176.9p164.9p
Dinas Powys Service Station159.9p184.9p176.9p199.9p
RONTEC RED DRAGON157.9p179.9p176.9p198.9p

Frequently Asked Questions

What is the cheapest petrol price in Cardiff Bay?

The cheapest petrol in Cardiff Bay is currently 152.9p per litre as of 7 June 2026. The average across all stations is 158.49p.

Which supermarket has the cheapest fuel in Cardiff Bay?

Tesco, Asda, and Sainsbury's supermarket forecourts typically offer the lowest fuel prices in Cardiff Bay. Check the price table above to compare all stations including branded and independent retailers.

How often are fuel prices updated for Cardiff Bay?

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.

Fuel Prices Near Cardiff Bay