Question 1

What fuel types are sold in Cardiff Bay?

Accepted Answer

Forecourts in Cardiff Bay that publish to the national feed list Super Unleaded (E5), Unleaded (E10) and Diesel (B7). Not every station carries every grade — use the cheapest-by-fuel sections above to see which forecourt has the variant you need.

Question 2

What's the average price of super unleaded (E5) in Cardiff Bay?

Accepted Answer

Super Unleaded (E5) in Cardiff Bay is averaging 180.4p per litre across the forecourts publishing to the national feed, with the cheapest at 174.9p and the priciest at 185.9p.

Question 3

What's the average price of unleaded (E10) in Cardiff Bay?

Accepted Answer

Unleaded (E10) in Cardiff Bay is averaging 164.9p per litre across the forecourts publishing to the national feed, with the cheapest at 164.9p and the priciest at 164.9p.

Question 4

What's the average price of diesel (B7) in Cardiff Bay?

Accepted Answer

Diesel (B7) in Cardiff Bay is averaging 188.6p per litre across the forecourts publishing to the national feed, with the cheapest at 187.9p and the priciest at 188.9p.

Question 5

Where can I get the cheapest super unleaded (E5) in Cardiff Bay?

Accepted Answer

TESCO PENARTH SUPERSTORE - PETROL FILLING STATION (PENARTH, CF64 1SA) is currently the cheapest super unleaded (E5) in Cardiff Bay at 174.9p per litre, with the price last updated 04 Sept. Tap the "Cheapest super unleaded (E5)" section above for the full ranking.

Question 6

Where can I get the cheapest unleaded (E10) in Cardiff Bay?

Accepted Answer

MORRISONS MFG MORRISONS CARDIFF BAY (CARDIFF BAY, CF11 0JP) is currently the cheapest unleaded (E10) in Cardiff Bay at 164.9p per litre, with the price last updated 06 Sept. Tap the "Cheapest unleaded (E10)" section above for the full ranking.

Question 7

Where can I get the cheapest diesel (B7) in Cardiff Bay?

Accepted Answer

ASDA ASDA CARDIFF BAY SUPERSTORE (CARDIFF, CF11 0JR) is currently the cheapest diesel (B7) in Cardiff Bay at 187.9p per litre, with the price last updated 06 Sept. Tap the "Cheapest diesel (B7)" section above for the full ranking.

Question 8

Which forecourts sell super unleaded (E5) in Cardiff Bay?

Accepted Answer

Super Unleaded (E5) is only stocked by 2 forecourts in Cardiff Bay: PENARTH SUPERSTORE - PETROL FILLING STATION and MFG MORRISONS CARDIFF BAY.

Question 9

How often are fuel prices in Cardiff Bay updated?

Accepted Answer

UK retailers must publish any pump-price change to the CMA-mandated national feed within 30 minutes. FuelFox re-polls that feed every 30 minutes too, so a price you see is at most about an hour old and usually fresher. Each forecourt card shows a freshness pill — tap it for the exact update time.

Fuel prices in Cardiff Bay

By fuel type

Cheapest super unleaded (E5) in Cardiff Bay

Cheapest unleaded (E10) in Cardiff Bay

Cheapest diesel (B7) in Cardiff Bay

FAQ

Fuel	Cheapest	Average	Highest
Super Unleaded (E5)	174.9p	180.4p	185.9p
Unleaded (E10)	164.9p	164.9p	164.9p
Diesel (B7)	187.9p	188.6p	188.9p