Infiniti JX General Discussion Forum
This video may explain the better gas milage on the new QX60. The older JX has 6 manual modes and the QX60 has 7 manual modes. Here is the link to the video: http://www.infinitiqx60.org/forum/new-2013-infiniti-qx60-videos/76529-2014-infiniti-qx60-manual-shift-mode.html