Should I use 95 or 92?

I want to ask about the Haval H7. Do you use 95 or 92 petrol? I've been using 95, but it doesn't seem to work well. Is it okay to use 92? Any advice, friends?

What do you think, is it better to use 92 or 95 for better performance? I've always used 95, but I've heard that 92 might give more power.

Does the 2011 MDX use 92 or 95 octane fuel?

Hey everyone, for the V40, should I use 92 or 95 fuel? And how many colors are available for the ambient lighting?

Is the 2019 model V97 using 92 or 95 fuel?

Should I use 92 or 95 octane gasoline for the Volkswagen Touran 2.0 naturally aspirated engine?

What type of gasoline do you use for the 1.6T 3008, 92 or 95?

Should I use 92 or 95 gasoline for the 3.6 version?

I've been using 95 octane fuel for two and a half years. Should I continue with 95 or switch to 92? Thanks.

Is it okay to use 92 gasoline for a 1.4 engine? I bought a second-hand car, and the dealer filled it with two tanks of Sinopec 92. Should I switch to 95 later on?