Looking at changing from Cat to Polaris. There are several carry-overs on some 18's and 19's. Any real big differences between to two model years? Prices are decent and I like they way they feel so narrow when compared to the new Cat's and my current ride. Current ride is a 14 M8000 153 and I am done trying to deal with the piss poor build quality and questionable engineering. I am not a mountain expert but do luck out once in a while and get to take a decent trip way out west. Looking at a 155 2.6 as I want the belt drive. Any help would be appreciated as I am new to the Polaris side of things.