I saw one of these at a car show recently. It would be a good ride. Must be near the end for those type of living room seats. Goes back to my dads 1975 Imperial at least. 1989 last year for this 5th ave body style. No Reserve: 1988 Chrysler Fifth Avenue for sale on BaT Auctions - ending July 29 (Lot #52,124) | Bring a Trailer
I maintained one of these at my last shop, and it was a bit cramped for my long legs and big feet, but it certainly was quite comfy in getting cramped inside.
Yes, they are comfy, and maintained well, they are fairly durable. I have seen a lot of these out west here with lot's o'miles on em....