Naught to sixty mph (0 to 97 kph) is a three-and-a-half second affair in the Jeep Grand Cherokee Trackhawk, which can run the quarter mile in a little over 11 seconds with zero outside ...

But if it's the supercharged 6.2, then we'll now have all the necessary ingredients for a Trackhawk in-place. Let's suppose the best-case scenario occurs and we will indeed see the 6.2L ...