Ice Driving! Which engine layout is best?

The best ice driving vehicle I ever had was a 1976 Chevy 1 ton wrecker...
6X6 454 auto with studded snows all the way around.
If I did get stuck (never) I could winch my *** out if there was something within 200 ft to hook onto.

FWD is ok because it pulls in the direction that you steer and you aren't trying to push thru 8 to 10 inches of snow with a tire, you dig thru it.
My older brother has 2 Audi Turbo Quattros and they will push snow with the headlights. He runs Blizzack tires on his winter beater and they are amazing. The rubber is best when it is cold and some snow on the ground as the tires tend to get hot on dry pavement.