vibration

So I keep getting told this is normal, but at 3200 RPM if I stay at that RPM steady for a few seconds, I start getting this loud wobble/vibration that feels and sounds like it’s coming from the mid/rear of the car. It’s really noticeable on the highway cruising in 5th at that RPM too. Here’s a...

At cruising speeds and not driving like a bat outta hell, I'm getting vibrations/rattle in sport mode. Tried in comfort as well and it is still there. Anyone else have the same experience?