Bottom line is that if I had to pick either front or rear wheel drive in snow (no 4x4) I would sure go front wheel drive, just because I've driven a Maxima (and before a Sentra) in Chicago winters for many years.
At times when it snows here I keep my truck in rear wheel drive and don't even bother with 4x4, however it's a lot less forgiving, even with skilled and more precise driving. That doesn't mean that it can't be done.
You're comparing a front wheel drive sedan to a rear wheel drive truck... I believe that if you test drove two cars of similar power and weight distribution in winter conditions (only difference being rwd vs. fwd) you'd see that rwd is ggz