X2 v. i2 what is the real difference?

[fabricGator]

I know the x has big tires for rough terrain but only goes 1/2 the distance, greater ground clearance, and likely a few other things I don't yet realize.

I want both in one machine.

Can I get an X2 along with a spare set of i2 wheels and fenders and then get the full distance when I have my 'highway' tires installed or get the offroad amenities when set up X2 style?

I am not sure if there are different discharge algorithms or motor controllers beyond the obvious.

Are the batteries the same even?
How about the front battery and the back battery, can they be run in either position?

I have lots of questions...
Once you fine folks get me caught up and educated, I'll likely have lots to offer back
Cheers!