About time to trade in the 07.
There's a few 2010 Yukon SLT 4WDs on the local dealer lots, all loaded out. I've been pleased with the 5.3 in the 07. It's been a good engine and averaging 18-19mpg locally with 21-22mpg showing up on long trips (hand calculated!).
The new 5.3s have VVT, how...