Power FeaturesPolaris ProStar® 570 Engine: Purpose-built and powerful ProStar® 570 Engine features 4 valves, dual overhead cam, wet sump and light weight design. Optimized for the RZR 570 demands bringing the power of a twin cylinder but the efficiency of a single into the RZR platform. A removable cargo bed panel allows for easy serviceability.Lightweight Transmission: Specifically built to optimize power of the Polaris ProStar® 570 engine, its high-torque capacity delivers superior performance and handling. This means more power to the ground, less driveline noise and lighter weight. The innovative lightweight design features a helical cut final drive with optimized gear geometry to maximize efficiency.Quick Acceleration: The RZR 570 features a 45 HP ProStar® engine, offering impressive acceleration of "0-35 mph in 4.0 sec".