Re: Really Stupid Petrol Question
 

If you do try 98 just beware of the whiplash from the extra acceleration ;)

Re: Really Stupid Petrol Question
 

I found E10 on my 3.6 Kluger to degrade fuel consumption in so far that it was using more lit/km than standard 91. The few cents saving that was offered by going E10 it was actually costing me more per km. Whilst its fine for the engine, its not manufacturer recommended i think for this reason. 95 and 98 gave better performance but no improvement in consumption so the $ really didn't justify it.

All I can say is try and see how you go with each type and what suits your pocket.

Re: Really Stupid Petrol Question
 

Easy going tiger, in a Smart car that could mean the engine is finally more powerful than the radio :eek:

Re: Really Stupid Petrol Question
 

E10 has a lower energy density than 95, because a certain % of it is taken up by ethanol, so you would expect to get that result. I find that E10 and regular unleaded are pretty much exactly the same for city driving (which I do most of) but on the open road, then 95 is much more efficient.

So I normally use E10 for the day to day running around the city, and 95 if I'm heading further afield.


S

Re: Really Stupid Petrol Question
 

If you can't get a minimum of 95 octane booster does the trick but is rather expensive.

Re: Really Stupid Petrol Question
 

Well, like they say, it always helps to read the label. Sure enough on the back of my petrol cap there is guidance from Smart in German and French telling me to use "95 OCT" presumably the same as 95 RON.

Re: Really Stupid Petrol Question
 

I put 98 in my car and my little Yaris thinks its a sports car.:lol:

Re: Really Stupid Petrol Question
 

Sort of like this?

http://fast-autos.net/diecast-cars-m...0419974903.jpg