We bought our 2018, based on our experience with a 2004 40 ft Newmar Kountry Star. We should have kept the 04.
I am of the opinion that the 18 New Aire was rushed into production. First problem, on the way home from the dealer after something like 55 Miles a "check fob" light came on. (Check it? How and for for what) When I got back up to around 65MPH the light went out. A short time later as I exited the interstate h'way the light came on again. It continued to come on and go off and on depending on my speed. I guessed "the ?fob? was not getting a proper charge when I slowed down. We got Home and called the dealer and they sent out a Tech< a week later. After an hour or so and a few phone calls, he learned that he needed a computer, one with a special program to calibrate the fob. A few weeks later we took off for Gillette and the Newmar and FMAC rallies. On that trip the entry door next to the passenger seat, popped open five or six times. After the third we found
that locking that door seemed to take care of the problem. (for a couple hundred miles) The Newmar techs at the Rallies seemed to fix the problem but on a week end tour between the events it came open again South Dakota. The next "adjustment" lasted until we where in eastern Illinois and then until we got to Napaknee (sp)Indiana a
nd the Newmar factory.
We are neither very large but in three years we have not used the dinette to dine. No adjustments due to the placement of the passenger side slide, mechenism. Indeed the seating throughout is by one of the industries leading manufactures (Flex Steel) but it does not seem on par with the rest of the "Aire" series by Newmar
And Oh! some where along the way the toilet quit flushing properly. and a call to factory service reps, took a couple hours to locate the control module. they had us looking in air ducts and into a variety of doors and draws all through the coach, with the aim of cutting one wire. My wife found it stuffed in a tangle of wire in an opening in the commode base.
I am not sure about your disclaimer on discussing "only the RV". NO Rv is any better new, than the dealer, factory and suppliers. Here I am talking about only new units. My advice, is "find an honest RV inspector and buy used after some newbie like I was, has put out cash to have the RV made road ready." After three years Newmar has made some modifications to the New Aire