Yes. I have Fuelly Account.
PAULRIDES 50.4 MPG AVE for 2413 Miles
That includes: approx 860 miles of Hwy and one very questionable 42.16 MPG for 180 miles of local driving while visiting daughter in NC.
Are you by any chance cross referencing what your car s systems is reporting with your own manual calculations? Often I notice people do that to get better insight on what going on and if there's some discrepancies with the factory read out.