We used a 19' class B for the last 18 years, but are now waiting on delivery of a 27' Puma 5er.
I wonder if there would be a correlation between age and type of RV. I suspect it would not be an easy poll to do.
2011 Silverado 2500HD Duramax, 4x4, crew cab, long bed
Palomino Puma 253-FBS, 27' 5th wheel
1994 19' Class B on Chevy chassis