It all depends on priorities when the coach is built. My 86 has 2 couches that make into beds so it sleeps 6 comfortably. If I change out the dining table and chairs with a booth it would sleep 8 comfortably.
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Jon & Chris Everton
1986 40' Dog House #86
0 hp 8V92 Allison HT740
Soon to be 500hp ISM with ZF 6 Speed
I agree with MrE. It all depends on ones priorities but with that said I think it would be safe to say most luxury coaches have a common set up which can sleep 6-8 comfortably.