Thought I'd post in the Pittsburgh group because we all drive on the hills.
I've driven it for over 1,600 miles and my MPG has gone down slowly. Currently at 20.5mpg average. I would say that I drive in the city mostly, but I'm a bit shocked that it would be much lower than the advertised mpg. I've altered the air pressure without improvement. I had the dealership check it out and they were not concerned. I am though.
30 - combined city/highway
27 - city
35 - highway
3.3 gals/100 miles
How much are you all getting?