Actually, when you take a look at the massive power offered in the Trackhawk version of the Grand Cherokee, you can almost hear the models that came before telling their story. This new and upgraded version of the Grand Cherokee that prowls the top of the power lineup from Jeep makes use of the Hellcat engine to give you the power you want. This model is the latest creation from the Street Racing and Technology (SRT) group from FCA to give you an SUV that offers 707 horsepower for the drive that can be a lot of fun.