Hi, the Kia bars seem way overpriced anyway, but a number of us have gone this route!
http://www.kianiroforum.com/forum/1...garage-com-roof-bars-install-review-pics.html
and...
http://www.kianiroforum.com/forum/9-kia-niro-general-discussion/5970-roof-rack.html
and still....
http://www.kianiroforum.com/forum/194-accessories-add-ons/2298-roof-rack.html
As long as the PHEV is the same width as a HEV, and if you have the rail mounts installed as the HEV does, this should give you some options! I hope this helps!!