Fuel guides and news
Plain-English guides to buying fuel in the UK, and a weekly report on how prices moved, built from official UK fuel price data.
Weekly UK fuel price report
Average unleaded, diesel and super unleaded prices, the change on the previous week, the cheapest day and the supermarket price gap.
Guides
- E10 vs E5: which petrol should you buy? - What E10 and E5 petrol are, whether your car can use E10, and when super unleaded (E5) is worth paying extra for.
- What is the UK Fuel Finder scheme and how accurate are the prices? - How the UK Government's Fuel Finder open data works, where Pennyfill's prices come from, and why you should still check the pump.
- Supermarket vs brand fuel: is it really cheaper? - Whether supermarket petrol and diesel is really cheaper than Shell, BP or Esso, whether the quality differs, and how to find the cheapest fuel near you.
- How to spend less on fuel: practical tips - Practical, proven ways to cut your petrol and diesel costs - from where you fill up to how you drive and look after your car.
- Fuel loyalty schemes explained (Clubcard, Nectar, and more) - How supermarket and fuel brand loyalty schemes work on petrol and diesel, and how to tell whether the rewards beat a cheaper pump price.
- How to work out your car's real MPG - A simple, accurate way to measure your real miles per gallon, convert it to litres per 100km, and work out what each mile costs you.
- Diesel vs petrol running costs - How to compare the real running costs of a diesel and a petrol car - fuel economy, pump prices, driving patterns, tax and clean air zones.
- What do the numbers on the pump mean? (E5, E10, B7) - A plain-English guide to UK fuel pump labels - E5, E10, B7, XTL and LPG - plus octane ratings, AdBlue, and what to do if you use the wrong fuel.