I helped convert a caddy stretch loimo to 4x4 one time for an advertising gimik for an auto body shop. sat on a lifted 3/4 ton custom stretched pickup frame. 35" gumbo mudders and a snow plow to boot. Nah, not practical at all, but lots of fun to ride around in!
For real though, i live in alabama, and have been in some national forests in n ga, tn, va, w va. etc 10 miles from a paved road in my bus. More importantly, I made it OUT too. Gearing, tires and the driver make all the difference in the world. Even very good first two dont make up for a bad third (not that you are--) Ive owned a bunch of 4x4's ( i have an 01 blazer now), and have only used it a few times, in deep snow or a muddy construction site. I once followed a dirt road 17 miles into the desert in az.... in a rented kia sephia 4 dr.... with the wife and kids... tried to find the end of a row of oower poles. Turned aroubd cause i i didnt tell anyone where we were, ( honestly, i didnt know!). My point i guess is, if you WANT 4x4,go for it. But do you NEED it, and the lower mpg, and higher upkeep and maint?