Join Date: Feb 2017
Location: East TN Sevier County is Near Knoxville
Welcome aboard NIRO Owner.
Bought mine in Feb 2017 and it is now Nov 2017 (so not a lot of winter experience on MPG). I am going to say (a guess) don't expect more than 2 MPG change (Winter / Summer or Whatever).
Good idea to post your Fill-Ups on FUELLY -- then the world (that looks for it) can see a good actual MPG.
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