Here we go again with another fuel brand thread.

I've tried all brands and honestly cannot feel any difference what so ever!

Don't know, I'm just using Toyota Mark X & Nissan Livina.

Hahaha maybe, but even if there's a difference I still doubt is that significant enough to be felt, especially if driving normal NA engines. If really high performance cars, or highly modded ones, or forced induction engines, then maybe can feel more difference (like for turbos where you can put on more boost for example). Fifth Gear had done such fuel comparison tests using a midly tuned Golf GTI MK6 (>200whp) and the result was even for different RON rating the difference was still only 3-4hp (which is only <2% from the engine output) which was practically unnoticeable during normal driving. So if different RON rating only return such small difference, then the same RON rating would have even smaller difference, unless the fuel quality is so bad/very much below the supposed std, or somehow contaminated with something else.

Anyway I only fill up Petron coz got loyalty card where 3000pts can be exchanged with rm45 of fuel.

Loyal Petron user coz the only one that gives free fuel worth rm45 after 3000pts.
Anyway I cannot feel any difference between fuel brands, so the one that gives me the better freebie is the best!