[Steverino]

Aftermarket only for gen 1 volts. If you look at the contours of the gen 2 2016 roof-line you'll see that a sunroof (aftermarket or not) is not in the cards.

Also review the links at the bottom of this page.

 

[NeoCyber]

As far as I know, two reasons: first, weight. Second, the aerodynamics and shape of the roof. I don't even know if you could put one in aftermarket, to be honest...