convince

I can't seem to find a 'How-to: Convince your mother to get rid of her sluggish tank like Tahoe, and get a CX-5". She enjoys the features of OnStar, Sirius/XM, moon-roof, and the leather. All of those features can be found in a CX-5(except for OnStar). She is averaging 14-15mpg. Best I've...