Just made it back from my trip and now have 12k miles. Yukon did very well, but does require some control in windy conditions. I've said it before, but will say it again. I wish I had the diesel or 6.2. The 5.3 just doesn't have the power to really get out into traffic. Cargo capacity is great. I have 3 kids and fit everything we need in it for our two Florida trips. We fold down the 40% side of 3rd row seat and it works great. You can easily fit carry-on sized suitcases behind the third row. It also seems to ride smoother when loaded up. I averaged 23 mpg coming home, but may have had help from southern winds...