You have to take it for what it is. If you find early episodes of the UK Top Gear, I think you'll find at first Clarkson, Hammond and May meshed about as well as these guys when they got started.
As I've said it before, here and other places. When the US guys are not copying UK episodes, it's pretty good. The toughest truck in Alaska was one of their best episodes. Last week, copying the UK RV episode was mediocre at best.
I've noticed the Big Star, Small Car segment appears to be gone, and I've not noticed many power laps by the US Stig recently either.