The Finding Fuel Blog
Honest analysis of UK fuel prices using live forecourt data.
15 May 2026
E10 vs E5 Petrol: The Complete Guide to Which Fuel You Should Use
E10 unleaded is cheaper than E5 Super Unleaded and the new standard at UK pumps, but around 600,000 older vehicles cannot use it. Here is how to tell which fuel your car needs and what changes when you switch.
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15 May 2026
Is Supermarket Petrol Bad for Your Car? The Truth
Tesco, ASDA and Morrisons fuel comes from the same refineries as Shell and BP, and runs about 6p per litre cheaper. Here is what really separates branded petrol from supermarket fuel.
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15 May 2026
Why Is Fuel So Expensive on Scottish Islands?
Diesel on the Isle of Tiree is 219.6p per litre, about 35p more than a mainland supermarket. We unpack why Scottish island fuel prices are so high.
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15 May 2026
Which English Counties Have the Most Expensive Petrol?
We ranked English counties by average E10 price using live data from over 7,700 UK stations. Warwickshire tops the list; County Durham drivers get the best deal.
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15 May 2026
How Much More Do You Pay for Petrol at Motorway Services?
Motorway services charge over 22p per litre more than supermarkets on E10. We compared live prices and the gap costs an average driver around £290 a year.
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15 May 2026
Which Supermarket Has the Cheapest Petrol?
We pulled live prices from over 1,500 supermarket forecourts. ASDA wins on E10, Tesco on diesel and super unleaded, and the gaps are tiny.
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