It's very possible that's the height. I have a friend who has a 1998 Rexall and his ceiling is about that high.
Take a close look at the storage compartment doors. They have wooden framing inside and the wood can rot and things start to fall apart. At least that's how his is made. Fairly big job to replace all that wood.
If it has been stored inside when not in use, it might be OK.
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Happy Glamping, Norman & Elna. 2008 Winnebago Adventurer 38J, W24, dozens of small thirsty ponies. Retired after 40 years wrenching on trucks! 2010 Ford Ranger toad with bicycles or KLR 650 in the back.
Easy to spot an RVer, they always walk around with a screwdriver or wrench in one hand!