Of course, I also prefer the manual. Actually, your numbers are a pretty good gauge, since we presume you run the same run daily. The only question I'd have, can you be certain it's the transmission alone. Or might it be the combination of the newer engine (newer programming), along with the transmission? We know they are designing them to talk to each other and adjust the parameters to compliment the optimum efficiencies of both.
Doesn't really matter, we're getting them, like it or not. They might be fine for the road, but they are frustrating in the city. Granted, they are getting much better, but still not ideal. Still prefer a re-class Volvo over a new KW/Pete... Although, the new Pete has a far superior A/C. That, I could get used to.