Honda Foreman or Rancher, hands down the best. These are used in agriculture extensively in my area, so the parts are readily available from NAPA or other Auto Parts stores. I don't know if that would be the case everwhere.

Father in law has a Polaris, nice 4X4, but it is just not as confortable and breaks down a lot for being the same year as my Hondas.

Don't know much about Bombardier.