I push the crap out of my car,most of the time.But i drive 75% highway,20% city and 5% my way......Is Frank Sinatra here??
Anyway,I get 26-27 easy.Also I only use Sunoco Ultra 94 octane.
Now,all you scientists with your rescinstance to burning crap about octane levels bug off.
It ALSO improves MPG.

Used to get 16mpg city and about 20mpg hwy. Ever since I moved to FL and reset my ecu (battery was pullled for a couple days) I now get 21mpg with 60%hwy / 40%city and about 26mpg 100% hwy.