Update on my car - Problem solved, at least for me. I traded it in. My commute was just too long to deal with the drone and harshness. A new driveshaft fixed 90% of the problem and I am not convinced it was all driveline anyway. The interior acoustics of the car seem to contribute, but that is...
Day one as well. First time I went on the highway at less than 100 miles.
New driveshaft helped a lot, but still some issues. Definitely less in warmer temps, (above 50 deg) maybe the bushings get a little softer. For me the sound and vibration feeling in the handbrake happen at the same time...
Even though the driveshaft made mine much better, the noise was not improved all that much, just the perceived vibration. I have also noticed that it is less severe on warmer days, maybe the rubber in bushings is softer. The whole thing is somewhat compounded by the fact that the tires (19" p...
I have a 2016 GT with 3:55 rear, 19" 255/40 all seasons and manual transmission, from day one when I drove between 60 and 80 the car had the rumble and slight vibration everyone described. Pushing the clutch in or letting the car coast in neutral made it much less, so I was convinced it was not...