By model, they were down or flat, with the exception being the Macan which showed significant improvement.
In related news:
"Porsche Approved Certified Pre-Owned vehicle sales in the U.S. were 1,426 for July 2016, which is an increase of 13.7 percent compared to the same period last year. Year-to-date CPO sales are 9,792 vehicles, which is an increase of 21.9 percent over 2015."
Now, you don't suppose this increase in CPO car sales came at the expense of new car sales, right?