MEDINA, MN- (July 1, 2014) Polaris Industries Inc. (NYSE: PII), the leading manufacturer of off-road vehicles, today announced the Model Year 2015 RZR XP® 1000 and RZR XP® 4 1000 will feature a higher output 110 horsepower to dominate the dunes, desert, trails, race track or anything that stands in their way.Introduced for Model Year 2014, the RZR XP 1000 and XP 4 1000 brought significant innovations to each of the hallmark Power, Suspension and Agility aspects of RZR while adding a new level of interior comfort and accessory customization. The vehicles were built for the pinnacle of performance with an all-new Polaris ProStar® 1000 engine that provided an industry-leading 107 horsepower with a true 999cc of displacement, making it the most powerful and largest engine in its class. For 2015, Polaris ups the ante again by giving the class-leading vehicles an incremental power upgrade to keep RZR at the top of its game.