Doesn't change the fact that Europeans buy hybrids much lesser than they buy diesels instead. Also, in China, VW holds a much larger share of the automotive market there compared to Toyota, Honda and Nissan while the market leader is held by GM (American).

So if we base what is popular in Asia, that means those brands are the better cars to get?

Not unless you have access to equipment that measures NVH for both cars which is then measured and calculated by a special software, but info like this won't be made public. So only way to tell is your personal feel.

Yeah you can measure sound with that app. It's not accurate but its good enough. Difference between app measurement and an actual sound meter is about 5 to 8dBA, so subtract that number and you know how loud noises are in your car while driving. Unfortunately, vibration would not be something that you can measure easily without the right tools and harshness is a very subjective quality that differs from person to person.

Usually sound measurement and personal test drive will be enough, this is where the difference in the amount of money you pay come in, usually....lol