The WorthThePump Blog
Practical guides on saving money on fuel in the UK. Petrol prices, MPG explained, and the maths behind fuel savings.
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Is Driving to a Cheaper Petrol Station Actually Worth It? We Did the Maths
Before you drive 3 miles out of your way for 5p/litre off, do the numbers first. Here's the break-even calculation every driver should know.
UK Petrol Prices by Region: Where Is Fuel Cheapest in 2025?
Petrol prices vary by up to 15p/litre across the UK. We break down which regions are cheapest for petrol and diesel in 2025, and why.
What the CMA Fuel Price Investigation Means for UK Drivers
The Competition and Markets Authority found retailers had excess margins of 6p/litre. Here's what changed and what it means for you.
All Articles
Why Supermarket Petrol Is Always Cheaper (And When It's Not Worth the Trip)
Asda, Tesco, and Sainsbury's consistently undercut branded stations. Here's why — and how to tell if driving there actually saves you money.
Why Your Car's Real MPG Is Lower Than the Handbook Says
Manufacturer MPG figures are often 12-20% higher than what you actually get. Here's why — and what your car's real-world MPG probably is.
The Hidden Cost of Petrol: How Much Goes to the Government?
At 136p/litre, over half your petrol spend goes straight to HMRC. Here's exactly how fuel duty and VAT are calculated.
Best UK Petrol Price Apps Compared (2025)
We compared PetrolPrices.com, RAC Fuel Watch, AA Fuel Prices, and WorthThePump. Here's which actually helps you save money.
Is Supermarket Petrol Bad for Your Engine? The Truth
The myth that Asda and Tesco fuel damages your engine persists. Here's what the science actually says.
How to Save £200+ a Year on Fuel Without Changing How You Drive
Simple, practical fuel-saving tips from loyalty cards to tyre pressure — the numbers that actually add up.
UK Petrol Prices vs Europe: Are We Really Paying More?
The UK pays around 136p/litre for petrol. Compare that to France, Germany, Spain, the Netherlands — and the USA.