I have an Explorer and mine does pretty well offroad. The only trouble I have ever had with it, is with the street tires it has, it doesn't do so hot in the deep mud. I am postitive that off road tires will make a world of difference.
-Colter
My Old Car
Current Cars-
1999 Ford Taurus SE 3.0 Duratec
1999 Ford Explorer XLT, my Geocaching car.