Is the Jeep Grand Cherokee SRT powerful enough for highway driving?

It is powered by a massive 6.4L HEMI V8 engine, producing 475 hp and 644 Nm of torque. For buyers considering the Jeep Grand Cherokee SRT, that matters because it affects how easy the car is to live with, whether for commuting, family use, long-distance driving or ownership costs. The useful way to read this is not as an isolated specification, but as a clue to how the car will feel in real daily use.