That was taken a while back. Will perhaps give you info on the what mileage owners are getting in raw numbers. Sounds like to me that your mileage could be to low, only thing that would contradict that is if your in the city all day in stop-n-go traffic. Driving in Miami is no longer a picnic with the traffic down thar--Anyways, check this thread out--
What kind of fuel milage are you getting? It
might give ya some tips--