From experience the AT3 is quieter, gives better MPG and slightly less grip offroad than the AT2. I would go with AT3 as if you lose a tyre it will be easier to get the later version.
From experience the AT3 is quieter, gives better MPG and slightly less grip offroad than the AT2. I would go with AT3 as if you lose a tyre it will be easier to get the later version.