E10 or E5 Fuel - Which Should You Choose? Which Actually Costs Less?

I use premium electrons, way better than the cheap ones. 😁

The reason it says premium fuel minimum 95 RON is because in some countries they have 91 RON fuel and 95 so 95 is considered premium in those countries and 98 super or performance

I have a Polo BlueGT 150BHP, I did a test a while ago I run the car on E10 and after filling up three times and found I was getting 400 miles per tank full and the car was a bit sluggish, I switched to E5 and cycled through 3 tank fulls to clear out any E10 and was getting 450 miles per tank full, E5 is 7 pence per litre more, so 44L in my tank costs me £3.08 more to fill the tank, I now buy E5 and wont use E10

4:05 I think 95 octane is considered premium because 95 octane is pretty high. There are some places where one can find fuel that is less then 95 octane, for example in Russia you can find 92 octane fuel, which also probably equivalent to US's 86 octane (because they measure them differently)

I go for E5 cause I have a classic car, 1967, along with some lead replacement additive that has some anti corrosion to make sure my engine isn't corroded from the ethanol. If you drive a modern car that is designed for E10, I'd say just go for E10. (In future I may either replace the engine or overhaul the current engine to convert to unleaded fuel, but for now with the original fuel lines and engine, I'm limited to the minimum ethanol content and lead replacement additive)

I use E5 - it gives me better mpg and charges my electrons as well. 55 mpg is easily achievable in my 2010 Honda CR-Z.

I had a MK6 Fiesta which got an engine light from a broken o2 sensor after E10 became norm. Roadside assistance and the garage reckoned it's from the ethanol because of a sudden uptick in that problem since the change.

I think the reason why a lot of fuel filler caps/owners manuals say use super unleaded/premium unleaded 95 octane is because 95 octane used to be super/premium many years ago and some countries (although it's not many these days), 95 is still super/premium.

At the minute, driving a 1.2 2009 Polo and I put E5 in it. £10 will last me a week or two to go back and fourth to work, but my car also runs soo well on it and never had issues. But I’ll be putting in E5 in all of my petrol cars, expensive or not. It just works for me. Good video though, helped me pass my test while doing my lessons. Now 1 year driving has past.

The higher octane fuel is less resistant to knocking, therefore it is better when driving on track which puts more stress on the car - as knocking can damage the engine. Tesco momentum 99 is the go to fuel for my Twingo RS Racecar.

Here in Sweden E10 95 octane is the standard, E5 98 octane is hardly sold anywhere. In my area I only know of 1 place that sells E5 98 octane out of probably 10 gas stations.

Great video as usual!

It's quite easy: i think this comes from the german names for the different fuels, it's a VW under the Seat-skin after all. Historically (in the last 30 years when i started buying fuel) we had 91RON (aka "Normal"), 95RON (aka "Super") and 98RON (aka "Super+"). Nowadays nobody sells "Normal" any more, but the bog standard 95RON kept the "Super"-moniker. Super is sold as E10 and E5, everything else is E5 only. The 100+RON-Variants don't have a common name, rather they're called according to the gas station selling them: Aral has Ultimate (RON102), Shell sells V-Power (100RON), Total has Excellium which is marketed as "premium fuel" with a hefty markup like Ultimate or V-Power, but still only has 98RON

Thanks for such an informative, well explained video.

I have recently started using Tesco momentum full time and my Alfa 1.4 Multi-air seems happier on it and the mpg is marginally better. Hard to say if it’s all fuel. I do about 9K a year so I suppose it’s worth doing.

Here in California pretty much all gasoline sold is at least nominally E10. And we measure our fuel in AKI while the rest of the world uses RON, hence why fuel in the USA appears to be lower rated than in Europe. I could be wrong but I think premium 91 AKI gasoline in California roughly translates to 96 RON, which obviously means 95 RON is close to being considered premium in California.

i think if you have a high compression engine 14:1, I believe you are more likely to see the benefits of fuel with higher RON. Modern fuel management system could detect your fuel and adapt accordingly.

6:13 Wiki say a T-rex was about 7 tones, if we assume 1:1 rate for "dino fuel", this driving instructor burnt thru 4 x T-Rex worth of fuel.

❤ to listen to your British accent

E10 is bad news for some vehicle as it supposedly attacks some rubber components like O-rings etc. I also understand that it more readily absorbs water, so let your vehicle stand for a while and you might be in for trouble and expensive flushing/servicing. I'm sticking to E5 thank you.