Ours aren't falling apart yet (2002 with 15,000 miles) but they're the most uncomfortable seats in any vehicle we've ever owned, including my 1938 Austin Seven.
There's no vertical adjustment, so DW's feet don't reach the floor. She can't drive the rig because she can't reach the pedals. The seat cushions are about 3" too long from back to front, even for me at 5' 10".
I drove transit for a couple of years after retirement from an engineering job. The Gillig coaches we had were equipped with a very comfortable Recaro seat. It had vertical, fore-aft, recline and tilt adjustments and was on an air suspension base. Combined with a steering column that had two universal joints and a telescopic upper section, it would adjust to anyone. I was able to drive an 8-hour shift without a problem. In our RV, anything over 2 hours is purgatory.