Help me find which Ski-Doo snowmobile is right for me. 2021 Ski-Doo Virtual Tour: MXZ vs Renegade. Check back in the fall issues of Snow Goer for more full evaluations, and direct comparison between these machines and competitive models. Last week we lined up DNO's 2019 Ski-Doo MXZ XRS 600R etec out of break-in mode. FOR TRAIL RIDES YET TO BE CONQUERED. I recently bought a 2011 MXZ TNT 600 etec and I love the machine.