Is this noise normal?

Is it normal for a loud humming noise, similar to an air conditioner compressor, to come from the front of the car during charging?

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

When the car starts, it's quite noisy, but the noise stops after a while. Can anyone check what might be the reason for this? Is it normal?

Is it normal for the accelerator pedal to make noise? I've had this issue since I first got the car, and it's really annoying. The dealership says it's normal. Fellow car enthusiasts, is this really normal?

Is it normal for the MG ZS to have sluggish acceleration and a rattling noise from the engine?

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

What is the situation with the abnormal noise from the water pump of the Jetour X90 Wilderness Edition 1.6T? Is it normal?

When the car speed is within 20 km/h, there's a squeaking noise from the left rear wheel, and the brake pads are normal.

Every time I accelerate from a stop with my 2.0, there's a sound similar to gears meshing. The dealership says it's the differential noise and considers it normal. Do any fellow car enthusiasts experience this noise as well?

Is it normal for the brake pedal of the Nissan X-Trail Classic to make a loud noise when it rebounds and contacts the brake light switch?