Alrighty, here are some official release information links with numbers and all the good stuff EXCEPT for pricing.
MotorAuthority
http://www.motorauthority.com/news/1109875_2018-jeep-grand-cherokee-trackhawk-video-preview
Jalopnik
http://truckyeah.jalopnik.com/the-hellcat-powered-2018-jeep-trackhawk-claims-a-faster-1794261602
MotorAuthority
http://www.motorauthority.com/news/1109875_2018-jeep-grand-cherokee-trackhawk-video-preview
Jalopnik
http://truckyeah.jalopnik.com/the-hellcat-powered-2018-jeep-trackhawk-claims-a-faster-1794261602