When I bought my TT new, I found pricing that ranged from 16k to 25k, for the same exact unit. I was ready to drive over 4 hours to see and buy and drive away with one that cost 16k, versus 20 minutes for one that cost 25k.
Then I had an epiphany...why not just call and ask the closest dealer if they would give me a better price? Took a bit of a discussion, but once they knew I was serious about a deal...I got the better price.
I would call the dealer and ask them why so high? Maybe it was mismarked online. Who knows? Can't hurt to call and ask right? Tell them what you saw on NADA and that if it was a little closer to that, you might come look. Or ask them to explain what is so great about it that it costs so much more than normal.