Complex sentence: The 2014 and 2015 models had a major revamp of interior comfort: passenger seat is higher, sound system more respectable, bench seats in rear higher and the console is re-positioned for the person riding in the center.
Split into simpler sentences: The 2014 and 2015 models had a major revamp of interior comfort. The passenger seat is higher, the sound system has been upgraded, the rear bench seats are higher and the console is re-positioned for the person riding in the center.