For the X I would get the LT since it will be a sturdier tire than the passenger version. Doesn't Yokohama make the LT in the 265 width?

As far as the Geolander goes, it's actually a very good offroad tire and has good onroad performance. Problem is most report that it doesn't last very long.

For a tire with similar offroad performance and better onroad performance and wear, I would look at the Bridgestone Dueler A/T Revo.

BTW, don't even worry about the width in mud. Those tires will pack up so fast it's not going to matter! With snow, narrower is better in most conditions because the tire bites through better. Only time wider is better for snow is if it's super deep and you're offroad. Don't believe me, look at the winterized ralley cars or old videos of Model T's driving through snow and mud with only one drive wheel.