Fat tires aren’t really necessary for anything but snow and sand and their motors aren’t any better than any other equivalent motor.
In fact, all other things being equal, fat tires are a little slower because they have more rotational mass. ~2" tires can handle most terrain with less weight, so they’re more efficient overall (but, if you are riding in sand then fat tires are absolutely the way to go).
Fat tires aren’t really necessary for anything but snow and sand and their motors aren’t any better than any other equivalent motor.
In fact, all other things being equal, fat tires are a little slower because they have more rotational mass. ~2" tires can handle most terrain with less weight, so they’re more efficient overall (but, if you are riding in sand then fat tires are absolutely the way to go).
They all/tend to have much higher torque that compensates for bad rolling/air resistance.