We found a 2011 left over in March of 2015 at a dealer in Bangor Maine. Hard to believe it had set on the lot for almost 5 years. We special ordered a 2015 Chevy 3500HD Dually w/gas engine. Have been full timing for the last 17 months. There have been zero problems with both the truck or trailer. The layout of this unit is almost ideal for us and only wish the room for the toilet was a little bigger. My wife and I have been to several RV shows and visited many dealers before and after the purchase, not many other rigs would work for us as well as this one.