To help us each make our case, we brought along the Cardo PackTalk Edge ORV to stay in communication with each other throughout the entire ride. Packtalk Edge ORV: Code 'octane' for 10 off br br The RZR family is home to a vast range of side-by-sides. From simple trail rigs to all-out desert rippers, there's a RZR for everyone. But that got us thinking. What's so different about some of Polaris' most popular models? To answer that question, we took a 2025 Polaris RZR XP4 1000 Ultimate and a 2025 Polaris RZR Pro R4 Ultimate to Windrock Park and put them both to the test. Which one wins? We'll let you decide.