My overall average since I go the car in August is 27.55 MPG (10.25L/100KM).
I have done over 20.000 km on the car so far, and I am sure it will get better as time goes on, or if I let up on the gas, this car is too fun to drive..
I have hit a high of 36.9 MPG, and a low of 24 MPG.
It's also cold now, so gas millage is gone to hell..
I averaged 28.7 in the few weeks of warm weather and 25.8 in the cold, so it's all variable upon the situation..
Just drive and enjoy, the little extra you pay for happiness is more important than what it costs..