If you ever pondered the possibilities of going full Frankenstein & merging a Jeep with a muscle car, the forthcoming Grand Cherokee Trackhawk is that monster come to life. It’s Jeep’s top-of-the-line sport utility fitted with a 707-horsepower, 6.2-liter supercharged V8 powerplant capable of 0-60 mph in just 3.5 seconds and a top speed of 180MPH.