Overview
Most sport UTVs offer an exciting mix of speed, agility, and responsive handling – this one, the 2018 Polaris RZR S 900 EPS, emphasizes a spirited riding experience in a compact, maneuverable package. Built primarily for recreational trail riders and weekend warriors seeking adrenaline-filled adventures, it delivers a lively performance with a focus on agility and control. Its 875cc twin-cylinder engine provides a lively power output that easily handles tight trails, dunes, and moderate off-road terrain, making it ideal for riders who want thrill and quick response in a lightweight chassis.
Designed with a sport-focused character, the RZR S 900 EPS features a narrow width of just 9 inches and a length under 9 feet, allowing it to snake through tight woods and squeeze into challenging terrain with ease. The bike’s independent double A-arm suspension setup with 12.25 inches of front travel and 13.2 inches at the rear helps it absorb bumps while maintaining stability at higher speeds. It includes hydraulic disc brakes on both ends, ensuring strong stopping power when needed, and tires built for dirt and loose terrain with 27-inch GBC Dirt Commander tires that grip well in off-road conditions.
Targeted at intermediate to experienced riders who want a machine that can handle aggressive trail riding without the bulk of larger, more expensive models, the RZR S 900 EPS blends sport performance with practical features. Its electric power steering and selectable 4X2 or AWD driveline provide control options, making it adaptable for different trail conditions. With a price tag around $16,500, it occupies a competitive position in the mid-range sport UTV market. What sets this model apart is its combination of sporty performance, manageable size, and Polaris’s reputation for durable, dependable off-road machines, making it a favorite for riders who want to go fast and have fun in tight spaces.”
Performance & Powertrain
Anyone running trails or tackling varied terrains will appreciate the 875cc longitudinal twin engine in the 2018 Polaris RZR S 900 EPS. This engine size sits comfortably within the segment’s typical range, offering enough power to handle steep inclines, quick acceleration, and rough terrain without feeling overly aggressive for casual riders. The liquid cooling system ensures consistent performance during long rides or in hot weather, preventing overheating and maintaining steady power output.
The engine’s fuel injection system provides precise throttle response and improves efficiency, so you get smoother acceleration and better fuel economy compared to carbureted systems. Power delivery feels responsive, especially at mid to high RPMs, making it suitable for quick bursts or steady cruising. Though not a high-horsepower machine, the 875cc twin offers enough torque to handle technical sections and moderate towing tasks without feeling sluggish.
The transmission relies on a continuously variable (CVT) setup, which eliminates gear shifts and delivers smooth, seamless power transfer. This setup allows for easy throttle modulation and contributes to a more comfortable ride, particularly in stop-and-go conditions or technical situations. The selectable 4X2 and all-wheel-drive (AWD) options give drivers control over traction, enabling the machine to adapt to changing terrain or challenging conditions without sacrificing stability or control. this drivetrain setup emphasizes ease of use and dependable power delivery fitting for recreational riders and trail enthusiasts alike.
Suspension & Handling
Working a full day on trail riding or light off-road tasks puts the independent double A-arm suspension on the 2018 Polaris RZR S 900 EPS to the test. The front suspension offers 12.25 inches of travel, smoothing out rocks and roots on uneven terrain, while the 13.2 inches of rear travel helps absorb larger impacts and maintain stability at higher speeds. This setup balances comfort and control, making it suitable for twisting forest trails or rougher dirt paths without sacrificing agility on tight corners or hardpack surfaces.
The hydraulic disc brakes on both front and rear deliver confident stopping power in a variety of conditions. They provide linear feel and fade resistance, which is critical when descending steep grades or navigating technical sections with unpredictable terrain. Heavy-duty braking ensures that riders can modulate stopping force precisely, whether tackling muddy trails or dry, compacted dirt. The braking system’s design complements the suspension’s ability to keep the tires planted, especially during aggressive deceleration or sudden stops.
Matching the suspension to the tire setup, the GBC Dirt Commander tires with 27 x 9-12 at the front and 27 x 11-12 at the rear offer a broad contact patch for grip across loose dirt, gravel, and muddy surfaces. The aggressive tread pattern bites into soft terrain but also maintains enough stability on hard-packed trails. These tires strike a good balance between off-road traction and on-trail handling, ensuring you can push the limits without losing control. the combination of suspension travel, brake performance, and tire grip makes this RZR S 900 EPS a worthwhile choice for riders who want responsive handling on a variety of off-road surfaces.
Dimensions & Ergonomics
Most sport UTVs in the $16,000 range measure around 8.83 feet in length, with a width of 9 feet and a height of 71.5 inches. This size allows the Polaris RZR S 900 EPS to fit comfortably in a standard pickup truck bed, making transportation easier for trail rides or race events. Its 79-inch wheelbase strikes a balance between stability during sharp turns and agility when navigating tight trails, giving riders confidence on uneven terrain.
The ground clearance of 12.5 inches provides enough room to clear rocks, roots, and obstacles without risking bottoming out. The dry weight of 1230 pounds is typical for machines in this category, contributing to stability without making it overly cumbersome to maneuver or lift. The seat height is designed to accommodate a broad range of riders, with enough height to offer good visibility while remaining accessible to those with shorter inseams.
Ergonomics are well thought out, with a comfortable, supportive seat and controls positioned for easy reach. The 9.5-gallon fuel tank offers a reasonable range for extended off-road adventures without adding significant weight or bulk. these dimensions and ergonomic features make the RZR S 900 EPS suitable for both experienced riders and newcomers seeking a machine that balances size, comfort, and practicality in various off-road conditions.
Notable Features
What stands out here is the addition of the Electronic Power Steering (EPS) system, which significantly enhances maneuverability and rider comfort during demanding trail rides. This feature isn’t standard on all competitors at this price point, giving the RZR S 900 EPS a tangible edge in handling precision, especially when navigating tight turns or rough terrain.
Polaris opted to include a liquid-cooled, 875cc twin-cylinder engine that delivers a strong punch in the sport UTV segment. While many entry-level models stick with simpler air-cooled setups, this liquid cooling system maintains consistent performance during extended rides, reducing overheating concerns during aggressive driving or high-temperature conditions.
Another upgrade that sets this model apart involves the drivetrain options. The RZR S 900 EPS offers a selectable four-wheel drive system with an automatic CVT transmission, giving riders the choice between 2WD and all-wheel drive modes. This flexibility allows for better control on different surfaces, whether you’re carving through loose dirt or climbing steeper inclines. Basic trims often lack this level of driveline control, making the RZR S 900 EPS more adaptable to various terrains.
While the base features include standard safety and comfort amenities, the inclusion of accessory-ready mounts and a more refined dashboard layout provides a more integrated riding experience. These details, combined with the power and handling upgrades, make this model a practical choice for intermediate riders who want more than just the basics without stepping into high-end, luxury options.
Pricing & Value
The interesting choice Polaris made was setting the MSRP at $16,499 for the RZR S 900 EPS, positioning it as a mid-tier sport UTV within their lineup. This price targets riders who need a machine that offers strong performance and comfort without jumping into the premium price range of the high-end models. Compared to other sport UTVs in this segment, it sits comfortably in the middle of the market, neither as budget-conscious as entry-level options nor as expensive as flagship models with more features.
At this price point, the RZR S 900 EPS delivers a package that emphasizes high-quality handling, responsive power delivery, and rider comfort. These attributes justify the asking price for enthusiasts who prioritize ride quality and brand reputation over low-cost alternatives. However, buyers should consider what they’re giving up compared to more affordable competitors or what additional features come with higher trims. For example, higher-priced models may include upgraded suspension components, advanced electronic aids, or larger displacement engines, which can be worth the extra investment if those features matter to you.
Within Polaris’s lineup, the RZR S 900 EPS sits above the base RZR 900 but below the more premium RZR XP models. The base version often lacks some of the electronic power steering, upgraded shocks, and other amenities found here, which adds to the value of the S 900 EPS. Those seeking the ultimate sport experience might find the next trim up offers more performance and tech but at a significant cost increase. Conversely, if budget is a primary concern, the entry-level versions provide a reduction in price but also come with notable compromises in refinement and features.
the $16,499 asking price for the RZR S 900 EPS aligns well with its target audience. It’s not a bargain buy, but it is a fair price for a machine that balances power, comfort, and Polaris’s reputation. This model offers a strong value for riders who want a purpose-built, well-equipped sport UTV without paying the premium for the top-tier models. It’s a sound choice for enthusiasts who want a machine that performs well out of the box and holds its value reasonably well in the resale market.
Final Thoughts
If you’re planning to hit the trails with friends or tackle aggressive off-road terrain, you’ll want to know that the Polaris RZR S 900 EPS offers a level of excitement and agility that appeals to experienced riders seeking adrenaline-fueled fun. Its responsive handling, combined with the durable 75-horsepower engine, makes it stand out in tight corners and fast-paced sections. However, this machine isn’t designed for heavy utility work or hauling large loads, so those needs are better served by other models in Polaris’s lineup.
The defining feature of the RZR S 900 EPS is its sporty, race-inspired chassis, which delivers sharp cornering and dynamic control in demanding off-road environments. This focus on agility is what makes it appealing to riders who prioritize performance and agility over cargo capacity or all-day comfort. For someone looking for a fun, nimble machine that can handle rough terrain with ease, this model hits the mark perfectly. Conversely, if you require a side-by-side for work-related tasks or extended trail trips with gear, you should consider a utility-oriented UTV instead.
Given its sport-centric design and emphasis on quick, responsive handling, the Polaris RZR S 900 EPS is best suited for experienced thrill-seekers who enjoy technical terrain and spirited riding. Beginners or those needing a machine for practical purposes may find it less forgiving or too aggressive for their comfort level. For confident riders who want a machine that delivers high-energy off-road fun and excels on twisty trails, this is a top choice. Otherwise, look elsewhere for a machine with a more relaxed ride and greater cargo capacity.
Tech specs
Engine
Transmission
Suspension
Brakes
Tires
Dimensions
Tags and taxonomy
Compatible parts for the 2018 Polaris RZR® S 900 EPS
Selected from this machine's own specification, not a generic list. Check any of it against the table above.
- ClassSport UTV
- DriveSelectable 4X2 / AWD
- Front tire27x9-12
- Dry weight1230 lb
- Tires27x9-12Front tire size fitted from the factoryShop on Amazon
- Roof and windshieldWeather protectionShop on Amazon
- Winch and mountSynthetic and steel line kitsShop on Amazon
- BatteryReplacement and AGM upgradesShop on Amazon
- Oil and filter kit875ccFull service kitsShop on Amazon
- Loading ramps2000 lbRated above the 1230 lb dry weightShop on Amazon
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.