My 2 cents is that the Grit fits your needs and gives you more ability to grow
It is a gravel bike so is flexible in terms of use so it will give you more potential long term
the other 2 bikes have suspension which you don't need and is an added complication
try them all if the dealer has them and see which puts the biggest smile on your face
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Life is too short not to ride the best bike you have, as much as you can.