UK Petrol & Diesel Prices Today

What is the average petrol price in the UK today?

The UK national average petrol price today is 170.8p per litre, based on data from 7,608 petrol stations.

Where is the cheapest petrol in the UK?

Supermarket chains — particularly Asda, Tesco, Sainsbury's, and Morrisons — consistently offer the cheapest petrol in the UK, typically 5–8p per litre below the national average. Regional variation also plays a role, with the Midlands and North typically cheaper than London and the South East.

Why is diesel more expensive than petrol?

Diesel typically costs 5-10p more per litre than petrol in the UK due to higher refining costs, greater demand for diesel in commercial vehicles and HGVs, and less competition at the pump. Both fuels carry the same 52.95p/litre fuel duty.

How often are UK fuel prices updated?

The UK Government Fuel Finder API — the source for WorthThePump's price data — is updated whenever retailers change their prices, typically multiple times per day. WorthThePump caches prices for up to 1 hour to ensure a responsive experience.