This is my 550 grizzly 2012 if you want one that you dont have to worry if it will make it threw the mud or up a mountain theres none better i have had to be towed yet a set of mud rebals will keep it movin or mudzillas but there priceie a towing poweris unbeleivable the new 900 looks like its definatly a beast 550 is enough for where i live iv pulled a few honda out from the mud lol