2018 Jeep Grand Cherokee Trackhawk Josh Herder April 11, 2017 Featured, Luxury, Vehicles Breathing fire from its supercharged 6.2 liter 707-horsepower Hellcat engine, the new Jeep Grand Cherokee Trackhawk is baddest 4x4 Fiat Chrysler has ever devised. Yes, it may look like another SRT, but you'd...