The Jeep Grand Cherokee Trackhawk is one of the world’s most powerful SUVs, packing 707 horsepower and 645 lb-ft of torque in stock form. For most people, that is more than enough power, but for those Jeep owners who need even more power, there are plenty of performance parts and tuning shops that can make the Trackhawk a whole lot quicker. ^{The Trackhawk is heavily modified, sharing nearly no common powertrain parts with the standard Grand Cherokees. Even the 6.4-liter V-8-powered Grand Cherokee SRT version comes with less whiz-bang} .