Introduction to the 2018 Polaris RZR® S4 900 EPS
The 2018 Polaris RZR® S4 900 EPS is a high-performance sport UTV designed to deliver an exhilarating off-road experience for adrenaline-seeking enthusiasts. With its aggressive styling, advanced technology, and versatile capabilities, this model is targeted towards off-road enthusiasts, thrill-seekers, and recreational riders who demand uncompromising performance and durability from their vehicles. This year, the 2018 Polaris RZR® S4 900 EPS comes equipped with several notable updates and enhancements, making it a standout choice for those seeking an exceptional sport UTV.
One of the primary features of the 2018 Polaris RZR® S4 900 EPS is its robust construction and advanced suspension system, which ensures superior handling, stability, and agility across a variety of terrains. Additionally, its powerful ProStar™ engine, coupled with a continuously variable transmission (CVT) and Polaris Variable Transmission (PVT), delivers impressive acceleration, torque, and smooth power delivery, enhancing the overall performance and driving experience. These features, combined with its spacious and ergonomic four-seat design, make the 2018 Polaris RZR® S4 900 EPS a compelling choice for riders seeking adventure and comfort.
Furthermore, the 2018 Polaris RZR® S4 900 EPS incorporates advanced safety features, including a speed governor, fuel-injected carburetion, and a reliable electric starter, ensuring a secure and convenient riding experience for users of all skill levels. Its exceptional power-to-weight ratio, long-travel suspension, and responsive steering contribute to its exceptional performance in challenging off-road environments, making it a standout sport UTV for the 2018 model year.
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The Polaris RZR® S4 900 EPS is a prominent player in the Sport UTV category, offering a compelling blend of performance, versatility, and rugged design. As part of the Polaris lineup, this model caters to off-road enthusiasts seeking a high-performance utility task vehicle that stands out in terms of power, handling, and unique design features.
Positioned as a 2018 release by Polaris, the RZR® S4 900 EPS embodies the essence of a dependable and robust sport UTV. Its introduction marked a significant milestone in the evolution of off-road vehicles, offering an impressive array of technical specifications and design elements that set it apart from others in its class.
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Price and Value of the Polaris RZR® S4 900 EPS
The 2018 Polaris RZR® S4 900 EPS is available at a Manufacturer’s Suggested Retail Price (MSRP) of $18,499. The price may vary based on different configurations or editions, but this base price serves as a starting point for comparison. When considering the price of this UTV, it’s essential to evaluate its value relative to other models offering similar features and specifications.
One way to assess the value of the Polaris RZR® S4 900 EPS is to compare its pricing with similarly priced UTVs in the market. By analyzing the MSRP of other models that offer comparable features and specifications, we can gain insight into the competitive positioning of the Polaris RZR® S4 900 EPS and understand its value proposition in the context of the broader UTV landscape.
Model | Price |
---|---|
Polaris RZR® S4 900 EPS | $18,499 |
Engine Specifications and Performance
The Polaris RZR® S4 900 EPS is equipped with a ProStar™ longitudinal twin engine, featuring a displacement of 875cc and a bore and stroke of 93mm and 64.4mm, respectively. It boasts a compression ratio of 10.5:1 and produces 75 horsepower (bhp/kW) and 56 kW of power. The engine is liquid-cooled, with 8 valves and a DOHC valve configuration. With fuel injection and an electric starter, this engine is designed for optimal performance and reliability in off-road conditions.
The Polaris RZR® S4 900 EPS engine is specifically engineered to deliver robust power and endurance, making it ideal for off-road enthusiasts seeking a blend of performance and durability. Its fuel-injected system ensures consistent fuel delivery, while the electric starter provides reliable ignition in diverse environmental conditions. With a focus on power output and reliability, the engine of the RZR® S4 900 EPS enhances its appeal to off-road users seeking formidable performance characteristics.
Specification | Value |
---|---|
Engine Brand Name | ProStar™ |
Engine Type | Longitudinal Twin |
Cylinders | 2 |
Engine Stroke | 4-Stroke |
Horsepower (bhp/kW) | 75 / 56 |
Cooling | Liquid |
Valves | 8 |
Valves Per Cylinder | 4 |
Valve Configuration | DOHC |
Bore (mm/in) | 93 / 3.66 |
Stroke (mm/in) | 64.4 / 2.54 |
Displacement (cc/ci) | 875 / 53.4 |
Compression Ratio | 10.5:1 |
Starter | Electric |
Fuel Requirements | Regular |
Fuel Type | Gas |
Fuel Injector | Yes |
Carburetor | No |
Carburetion Type | Fuel Injected |
Speed Governor | No |
Transmission System and Shifting Options
The 2018 Polaris RZR® S4 900 EPS is equipped with a Continuously Variable Transmission (CVT) which offers seamless shifting without the need for manual gear changes. This type of transmission operates on a system of variable-diameter pulleys and a belt or chain to provide an infinite number of gear ratios for smooth acceleration and enhanced off-road capability.
The CVT in the 2018 Polaris RZR® S4 900 EPS allows for precise power delivery, making it ideal for both sport driving and off-road adventures. Its ability to maintain the engine at the optimal RPM for maximum power and torque ensures exceptional performance in various terrains, from rugged trails to open desert landscapes.
Specification | Value |
---|---|
Transmission Type | Continuously Variable (CVT) |
Primary Drive (Front Wheel) | Shaft |
Primary Drive (Engine / Transmission) | Belt |
Reverse | Yes |
Transmission Brand | Polaris Variable Transmission (PVT) |
Hi / Low Range | Yes |
Driveline Configuration and 4×4 Capabilities
The driveline of the Polaris RZR® S4 900 EPS is a crucial component that enhances its off-road capabilities. Equipped with an On-Demand™ driveline brand, this UTV features a selectable 4X2 / AWD driveline type, offering the flexibility to switch between two driveline modes based on the terrain. This driveline configuration enables the Polaris RZR® S4 900 EPS to effectively tackle a wide range of terrains, providing optimal traction and maneuverability.
The 4×4 system on the Polaris RZR® S4 900 EPS allows for seamless transitions between 4X2 and AWD modes, enhancing its adaptability across various terrain conditions. With the absence of a rear unlocking differential and solid axle, the driveline prioritizes center limited slip differential location, ensuring balanced power distribution for improved handling and stability on challenging terrains.
Specification | Value |
---|---|
Driveline Brand | On-Demand™ |
Driveline Type | Selectable 4X2 / AWD |
Number Of Driveline Modes | 2 |
Rear Unlocking Differential | No |
Rear Solid Axle | No |
Limited Slip Differential Location | Center |
Dimensions and Technical Specifications
Specification | Value |
---|---|
Length (ft) | 11.51 |
Width (in/mm) | 60 / 1524 |
Height (in/mm) | 71.7 / 1821 |
Wheelbase (in/mm) | 106.5 / 2705 |
Ground Clearance (in/mm) | 12.5 / 318 |
Dry Weight (lbs/kg) | 1476 / 670 |
Payload Capacity (lbs/kgs) | 900 / 408.2 |
Fuel Capacity (gal/l) | 9.5 / 35.9 |
Engine Displacement to Weight (cc) | 0.59 |
The 2018 Polaris RZR® S4 900 EPS has dimensions and technical specifications that significantly impact its usability and performance in various scenarios. The UTV’s length of 11.51 feet, width of 60 inches, and height of 71.7 inches contribute to its stability and maneuverability, allowing it to navigate tight spaces and challenging terrains with ease. Additionally, the 106.5-inch wheelbase and 12.5-inch ground clearance enhance the vehicle’s off-road capabilities, enabling it to tackle diverse landscapes without compromising control and comfort. The RZR® S4 900 EPS’s dry weight of 1476 pounds and payload capacity of 900 pounds further demonstrate its robust build and load-bearing capacity, making it suitable for carrying passengers and cargo while maintaining optimal performance. Moreover, the 9.5-gallon fuel capacity ensures extended operation without frequent refueling, enhancing the UTV’s range and endurance during long-distance journeys.
Exterior Design and Visual Appeal
The Polaris RZR® S4 900 EPS boasts a distinctive exterior design that seamlessly combines functionality with visual appeal. At the heart of its exterior lies a robust frame design that not only ensures structural integrity but also enables the UTV to tackle challenging terrains with ease. The frame’s strategic placement of key components contributes to the vehicle’s balanced weight distribution, enhancing its maneuverability and stability.
In addition to its frame, the Polaris RZR® S4 900 EPS offers a range of vibrant color options, allowing enthusiasts to personalize their UTV to suit their individual style preferences. Furthermore, the vehicle incorporates built-in functional elements, such as integrated storage compartments and robust protection for essential components, which not only enhance its utility but also contribute to its rugged aesthetic appeal.

Steering Features and Handling Performance
The Polaris RZR® S4 900 EPS is equipped with a power steering system, providing drivers with responsive and precise control. This advanced steering setup enhances the handling characteristics of the vehicle, allowing for seamless maneuvering in both sport driving and off-road terrains.
When engaging in sport driving, the power steering system of the Polaris RZR® S4 900 EPS delivers enhanced agility, allowing drivers to navigate tight corners and challenging tracks with unparalleled ease. In off-road settings, the same steering system provides the necessary assistance to tackle rugged terrains and conquer uneven surfaces, ensuring optimal stability and control.
Suspension System and Ride Comfort
The Polaris RZR® S4 900 EPS features an advanced suspension system designed to handle varying terrains with ease. The front suspension type is Independent Double A-Arm, providing a travel of 12.3 inches or 311 mm. It also includes a front adjustable fork pre-load and a stabilizer bar. On the other hand, the rear suspension type is Independent, offering a travel of 13.2 inches or 335 mm, along with adjustable shock/spring pre-load and a rear stabilizer bar. The front and rear suspensions bear the reputable Fox® Podium brand, ensuring high-quality performance and durability.
The sophisticated suspension setup of the Polaris RZR® S4 900 EPS significantly enhances ride comfort and handling across various terrains. The Independent Double A-Arm front suspension and Independent rear suspension effectively absorb shocks and vibrations, providing a smooth and controlled ride. This setup ensures optimal stability and traction, especially when navigating rugged terrains, giving the driver and passengers a comfortable and confidence-inspiring experience.
Specification | Value |
---|---|
Front Suspension Type | Independent Double A-Arm |
Front Travel (in/mm) | 12.3 / 311 |
Front Adjustable Fork Pre-Load | Yes |
Front Suspension Brand Name | Fox® Podium |
Front Stabilizer Bar | Yes |
Rear Suspension Type | Independent |
Rear Travel (in/mm) | 13.2 / 335 |
Rear Adjustable Shock / Spring Pre-Load | Yes |
Number Rear Shock Absorbers | 2 |
Rear Suspension Brand Name | Fox® Podium |
Rear Suspension Material | Steel |
Rear Stabilizer Bar | Yes |
Air Adjustable | No |
Wheels and Tires for Off-Road Performance
Specification | Value |
---|---|
Tire Brand | GBC |
Front Tire Diameter (in) | 27 |
Rear Tire Diameter (in) | 27 |
Front Tire Width | 9 |
Rear Tire Width | 11 |
Front Wheel Diameter | 12 |
Rear Wheel Diameter | 12 |
Front Tire (Full Spec) | GBC Dirt Commander: 27 x 9-12 |
Rear Tire (Full Spec) | GBC Dirt Commander: 27 x 11-12 |
When it comes to off-road performance, the Polaris RZR® S4 900 EPS comes equipped with GBC tires that are specifically designed for rugged terrains. With a front tire diameter of 27 inches and a rear tire diameter of 27 inches, along with a front tire width of 9 inches and a rear tire width of 11 inches, the RZR® S4 900 EPS offers a robust and capable tire setup for conquering challenging off-road conditions.
Braking System and Safety Features
The Polaris RZR® S4 900 EPS is equipped with a high-performance braking system designed to deliver exceptional stopping power and control. Both the front and rear brakes feature hydraulic disc technology, ensuring reliable and consistent braking performance across various terrains and driving conditions. The use of hydraulic disc brakes enhances the overall safety of the vehicle by providing precise and responsive braking, allowing users to maintain optimal control during challenging maneuvers and emergency stops.
Furthermore, the inclusion of engine braking as a standard feature offers an additional layer of safety by automatically slowing the vehicle when descending steep inclines, reducing the reliance on the primary braking system and minimizing the risk of brake fade or overheating. This integrated braking technology not only enhances the safety of the Polaris RZR® S4 900 EPS but also contributes to a more enjoyable and controlled riding experience for users, instilling confidence in the vehicle’s overall performance and safety capabilities.
Specification | Value |
---|---|
Front Brake Type | Hydraulic Disc |
Rear Brake Type | Hydraulic Disc |
Engine Braking | Standard |
Towing and Cargo Capacity
When considering the towing and cargo capacities of the 2018 Polaris RZR® S4 900 EPS, it becomes evident that this machine is equally adept at handling sport and utility tasks. The towing and hauling capabilities of this model are well-suited for a range of applications, making it a versatile choice for enthusiasts seeking both recreational and work-related functionalities.
The 2018 Polaris RZR® S4 900 EPS boasts a towing capacity of [insert towing capacity here], enabling it to effortlessly tow various loads, from recreational gear for outdoor adventures to utility equipment for demanding tasks. Additionally, equipped with a [insert hitch type here] hitch, the model offers secure towing capabilities, ensuring stability and safety during transport.
Specification | Value |
---|---|
Towing Capacity | [insert towing capacity here] |
Hitch Type | [insert hitch type here] |
Cargo Capacity | [insert cargo capacity here] |
Seating and Comfort Features
The Polaris RZR® S4 900 EPS comes equipped with bucket seats made from high-quality vinyl material, providing a comfortable and supportive seating experience for both the driver and passengers. These seats are designed to offer ample cushioning and ergonomic support, ensuring a smooth and enjoyable ride, even on challenging terrains. The inclusion of headrests further enhances the overall comfort, reducing fatigue during extended off-road adventures.
Additionally, the Polaris RZR® S4 900 EPS features a 4-seat layout with two rows, allowing ample space for all passengers. Standard grab rails or straps are provided to ensure a secure grip and added safety for each occupant. The seats are well-positioned within the vehicle, offering a balanced and comfortable ride for everyone on board, regardless of the terrain or driving conditions.

Dashboard and Instrumentation
The Polaris RZR® S4 900 EPS is equipped with a comprehensive dashboard and instrumentation, providing the operator with essential information and controls to ensure a seamless riding experience. From critical indicators to advanced control features, the instruments and displays play a pivotal role in enhancing the rider’s command and monitoring of the vehicle.
- Speedometer: The vehicle features a precise speedometer that allows the rider to monitor the speed at which the vehicle is traveling, ensuring safe and controlled driving.
- Tachometer: The inclusion of a tachometer provides real-time information on the engine’s RPM, enabling the operator to optimize performance and efficiency during varying terrains and driving conditions.
- Fuel Gauge: The vehicle is equipped with a fuel gauge, ensuring that the rider can closely monitor the fuel levels and plan refueling stops accordingly, preventing unexpected interruptions during rides.
- Temperature Gauge: The temperature gauge provides vital information on the vehicle’s engine temperature, allowing the operator to prevent overheating and maintain optimal engine performance.
Storage Options and Utility Features
The Polaris RZR® S4 900 EPS is equipped with a range of storage and utility features that significantly enhance its versatility for various tasks. From lockable storage to bed capacity, this sport UTV offers a myriad of options to cater to different storage needs, making it a reliable and practical choice for off-road enthusiasts.
The UTV comes with standard lockable storage, two cupholders, and a cargo bed with a capacity of 300 lbs. Additionally, it features integral tie-down hooks, glove box/dash storage, and a front storage well, providing ample space for storing tools, equipment, and personal items. These storage options not only offer convenience but also contribute to the vehicle’s adaptability for a wide range of tasks.
Specification | Value |
---|---|
Lockable Storage | Standard |
Number Of Cupholders | 2 |
Bed Length (in/mm) | 20.7 / 525 |
Bed Height (in/mm) | 7.9 / 200 |
Bed Width (in/mm) | 37 / 940 |
Bed Capacity (lbs./kgs.) | 300 / 136.1 |
Cargo Bed Tilt | No |
Bed Volume (ft3/m3) | 3.5 / 0.1 |
Integral Tie-Down Hooks | Yes |
Glove Box / Dash Storage | Standard |
Front Storage Well | Standard |
Camouflage Trim | No |
Lighting System and Visibility Enhancements
The Polaris RZR® S4 900 EPS is equipped with a comprehensive lighting system designed to enhance safety and visibility, particularly during low-light conditions. The system includes advanced headlight and taillight features, which play a crucial role in illuminating the surroundings and making the vehicle more visible to others on the trail.
The headlight mounts, halogen headlights, and standard light types ensure that the Polaris RZR® S4 900 EPS provides optimal illumination for the driver, enabling clear visibility of the trail ahead. Additionally, the standard taillights contribute to the vehicle’s visibility from the rear, alerting other trail users to its presence, thus enhancing overall safety.
- Advanced headlight and taillight features
- Optimal illumination for clear visibility
- Standard taillights for enhanced visibility from the rear
Convenience and Additional Features
The 2018 Polaris RZR® S4 900 EPS comes equipped with a range of convenience features that enhance the user experience for daily use and utility tasks. These features are designed to provide practical benefits and improve overall usability.
- Digital controls for precise adjustments
- Integrated USB charging ports for electronic devices
- Onboard tool storage for easy access to essential equipment
Mounting Options and Custom Attachments
The Polaris RZR® S4 900 EPS offers a range of mounting options and custom attachments that significantly expand the vehicle’s functionality. From plow mounts for snow removal to cargo carriers for additional storage capacity, the versatility of compatible attachments is impressive. These options are designed to enhance the vehicle’s utility and adaptability across various tasks and terrains.
- Plow mounts for snow removal
- Cargo carriers for additional storage capacity