I test drove a 4xe last week. There is certainly no lag when hitting the pedal. I put a deposit down on a Rubicon 4xe. I have been trying to the math on mpg/range etc. My understanding is that you get about 21 miles on all electric on a full charge. I think range on hybrid is like 370...
So the short answer to this is yes. You have a couple of options. My first choice would be get rid of the factory uConnect and put an aftermarket stereo like the Stinger Heigh10. It has more video inputs and is designed to work with the Jeep. I have not tried this yet but i will doing this...