Is it normal for the Sunny to have loud noise at around 60 km/h?

Is it normal for the car to be loud at 120 km/h on the highway?

How's the wind noise on the highway? I've heard that it gets really loud after 80 km/h.

Is it normal for a 2015 model 2.0L automatic transmission car to have the RPM around 1300 at 60-70 km/h, and when slowing down for a turn then accelerating again, the RPM suddenly rises and acceleration is slow, with the RPM at 1600 to 1700 at 60 km/h and not dropping, and sometimes after turning off the engine and restarting it behaves normally?

Is it normal for the V40 to have a really loud idle noise?

I'm a newbie... Can I ask how to drive gently to save fuel? I have a 2013 automatic GLS 2.0, and I can only get about 450 km per tank (-̩̩̩-̩̩̩-̩̩̩-̩̩̩-̩̩̩___-̩̩̩-̩̩̩-̩̩̩-̩̩̩-̩̩̩). I haven't been on the highway, usually just driving in the city at around 50/60 km/h, and on national roads at 80 km/h, never accelerated to 100 km/h...

Hey guys, I want to ask if it's normal for my 2006 1.6 automatic Peugeot 206 to feel jerky when driving at 40 km/h and 60 km/h in D mode?

I have a 2019 manual Rapid with just over 50,000 km. At 120 km/h on the highway, the RPM is around 3100, and I feel the engine noise is too loud. What RPM do you guys get when driving on the highway?

Is it normal for the Sunny to have loud noise at around 60 km/h?

Why does the Ford Territory suddenly lose power and then accelerate again multiple times when normally accelerating to 60 km/h?

Loud noise at 100-120 km/h.