#13 Best road handling
#14 No Towing
#15 No Toad
#16 One engine to maintain
#17 living quarters connected to Driver
#18 One can cook, while other drives
#19 Parking... -anywhere-
#20 No fiberglass/rubber/PVC roof
#21 Doesn't rot in the driveway because it can be used more often
#22 Kids/relatives don't think to use it as a "guest house"
#23 No planning required for trips; no reservations needed
#24 Less to clean
#25 No room for seldom used items, less "rv junk hoarding"
#26 No room for wife to buy furniture on a trip
#27 Gas Mileage
#28 Boondocking ...anywhere...
#29 Stealthier
#30 Most comfortable ride
#31 One can sleep while the other drives
#32 Longevity of all steel body
#33 Highest Resale Value
#34 Not encouraged to stay in one place for any length of time
#35 No concerns about pulling up steep grades
#36 No concerns about braking DOWN steep grades
#37 On board generator
...this is easy....
...someone else care to join in...