My 2014 tracks much better than my 2011 did, so there might have been some software changes. I have noticed that the range displayed on the fuel economy gauge is a little different in the '14 than that which was in the '11. I've tracked every mile I've driven on this car with more fuel receipts in my glove box than I care to look at. I'll enter them on fuelly.com at some point, but I've been entering them on an app on my Note4. I did a factory reset recently which wiped all my records out, so I will have to re-enter these at some point.