Our 2007 X3 is similarly equipped, but without the Comfort package. We have the cold weather package as standard here. You didn't say which transmission you have, but the manual six speed provides more control IMO.

Our X3 goes just about anywhere, I agree with your comments. It is actually very similar in capability to what 325xi was. The 325 didn't have quite the same ground clearance, but the lower weight helped it, and it pushed unplowed snow very well with the bumper. It couldn't have brought the Honda tracked snowblower home that I fit in the back of the X3, though, similar to yours.

The X3 actually does better than our X5 did. It has the advantage of x-Drive, but I think the lower weight is even more of an advantage.

Make sure you try the HDC on a steep icy hill, it is very good as well, and worth learning about before you actually need it.

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2007 X3 3.0si, 6 MT, Premium, White

Retired:
2008 535i, 6 MT, M Sport, Premium, Space Grey
2003 X5 3.0 Steptronic, Premium, Titanium Silver
2002 325xi 5 MT, Steel Grey
2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue