In a highly anticipated unveiling, Polaris introduced the RZR XP S 4 Ultimate during October 2025, generating considerable excitement among off-road enthusiasts. This latest model seeks to elevate the brand's rock crawling experience by addressing previous concerns from users of the 2024 Polaris RZR XP, which, despite being an excellent trail machine, didn’t quite meet expectations for rock crawling due to its narrower stance and limited gearing options.
The RZR XP S 4 Ultimate comes with several compelling specifications, including an MSRP of $29,499, and retains over 60 accessories from its predecessor, the RZR XP. Key features include a factory-installed 4,500-pound winch and a robust 900W charging system. Notable also are the Fang Lights, Selectable Throttle Modes—offering options in Standard, Sport, and Rock—along with 2.5-inch Walker Evans Velocity shocks with 16-position adjustable clickers. The vehicle rides on 32-inch Pro Armor Trekker tires and boasts significant upgrades in its chassis and drivetrain.
"The new RZR XP S seemed to address these issues," said Jon Crowley, an avid user who transitioned from the earlier model to this new powerhouse. He indicated that enhancements made to the vehicle's drivetrain, suspension, and chassis were particularly noteworthy, aiming directly at improving technical rock crawling and high-speed performance in rough terrains.
In mid-January, Crowley received a demo unit of the 2026 RZR XP S 4 Ultimate and wasted no time putting it through its paces under stock conditions. He painstakingly observed essential metrics during rock crawling tests, such as the vehicle's dimensions, drivetrain resilience, wheel clearance, and its low range capabilities.
To further test the vehicle's adaptability, Crowley mounted 35-inch System 3 Offroad RC500 S tires on beadlock wheels. His rigorous examination included navigating through terrain like Double Sammy, and he reported, "I found no issues with tire clearance."
Collaborating with fellow off-road experts Chad Hughes and Justin Kee, Crowley also ventured onto challenging trails such as West Rim and The Maze at Sand Hollow. His insights from these test drives highlighted significant performance characteristics.
"Shocks are a bit on the stiff side when you have just two people in the car," Crowley remarked. However, an adjustment made to the clickers resulted in a much more pleasant ride. He noted these changes allowed the RZR XP S 4 Ultimate to handle g-out situations better than previous models.
Another improvement Crowley pointed out was in the vehicle's transmission. "Shifting in and out of park and through gears is much smoother than previous RZRs. Even when parked on a hill!" This enhancement speaks volumes about Polaris's commitment to improving user experience, reinforcing a smoother operational flow under various driving conditions.
One of the standout features noted during testing was the 'Rock' throttle mode which, as Crowley explained, was perfectly suited for rock crawling. "Pedal throw feels normal and it just takes away any twitchy feel inherent in Sport mode," he mentioned, underscoring the model's refined handling characteristics.
Additionally, the RZR XP S 4 Ultimate stood out for its robust build and impressive performance metrics during testing. The drivetrain and chassis felt particularly solid, and Crowley acknowledged that, "Low range pulls 35-inch tires in technical situations without belt-slip. High-speed performance in desert terrain is also good." This versatile capability allows users to enjoy two different driving experiences seamlessly.
The vehicle's dimensions are also noteworthy, with a 72-inch width and 117-inch wheelbase offering great stability during both steep climbs and descents—a point that Crowley emphasized. "Confidence inspiring is a good term for how it feels. The extra wheelbase without being too long is appreciated."
As the Polaris RZR XP S 4 Ultimate continues to impress in its early phase, it aims to become a favorite among off-road aficionados who seek performance coupled with technological advances. With the promise of enhanced adventure, this model sets the stage for unforgettable rock crawling experiences well into the future.