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All-New ProStar S4

Based on the proven Polaris ProStar architecture, the new 4-stroke ProStar S4 delivers reliability, easy ownership, and spirited Polaris performance.

Easy Ownership

Cover more miles and get more done this winter with the extended range and long service intervals of the ProStar S4.

Designed for durability

ProStar Architecture

The 1000cc twin cylinder engine is based on the proven architecture that powers Polaris off-road vehicles, with purpose built snowmobile-focused improvements to deliver relaibility and efficiency.

Designed for durability

Dry Sump Oil System

The snowmobile specific oiling system ensures the engine is properly lubricated in any terrain.

Browse ProStar S4 Models


The Trail Performance Standard for 40 Years.


INDY Adventure

Explore what's around the next corner.


INDY Adventure X2

Trail Performance for Two.



The Ultimate Sport-Utility Snowmobile.



The Ultimate Adventure for Two.