Absolutely need 4WD here. Our Trooper is RWD, it does not too bad with studded snow tires. However...I won't take it where I take my Tacoma. If I slide the Trooper off the road, I am calling a tow truck...the Tacoma...pretty sure it can get out on its' own.Mine does so well because it's a 2wd with 3.15 gears. It's pretty much the lightest supercrew that Ford makes.
My buddy has the supercrew, XLT, 2.7, 4x4, with 3.55 gears. He has stock sized all terrain tires. He gets 21-23 doing 70.
The biggest thing with the EcoBoost is watching the boost gauge: the less boost you make, the less fuel you use. Mine starts to spool the turbos at about 71-72mph... thus I set my cruise at 70.
Looks like the Super Cab 2.7 4WD 6.5 bed is 4800 lbs. (can't get the 2.7 with an 8' bed it appears) Interesting that it is only 500 lbs heavier than a Access Cab Tacoma V6 4WD.
Saw a Mag Grey Super Crew 6.5' bed lifted on 33's it looked like on the way home today...gotta say it was pretty bad ass looking.